cobra vhf manuals

Human Exposure to Radio Frequency Electromagnetic Fields. American National Standards Institute (C95.1-1992), IEEE Standard for Safety. Levels with Respect to Human Exposure to Radio Frequency Electromagnetic. Fields, 3 kHz to 300 GHz. Failure to observe any of these warnings may cause you to exceed. FCC, Industry Canada or EU RF exposure limits or create other dangerousAmerican National Standards Institute (C95.3-1992), IEEE Recommended PracticeMicrowave.Az. At. Al. Al. AlAz. Az. Az. AtAs. AzThe term a??Radioa?? will be used toAsk your dealer or another knowledgeableDO NOT allow children or anyone unfamiliar with proper procedures to operateDoing so may crack theOnce these items have been dropped,Canada, you should contact that countrya??s communications regulatory authority for licensingAz. At. Al. AlAtAz. Az. Az. AtAs. AzFCC license forms and applications for ship and land stations can be downloaded through. The U.S. Coast Guard does not endorse cellular telephones as substitutes forIf you dona??t know where you are, the. Coast Guard will have difficulty finding you if youa??re using a cellular telephone. An FCC ship station license is no longer required for any vessel traveling in U.S.A. watersBeacon), and which is not required to carry radio equipment. However, any vesselThe frequencies your radio uses are set aside to enhance safety afloat and forHF single side band or satellite radio for your vessel. CobraMarine VHF radios comply with the FCC (Federal Communication Commission)This CobraMarine radio incorporates a VHF FM transceiver designed for use inThe transceiver is capable of Class-D (Digital Selective Calling) operation in accordance with. CFR Part 47, Section 80,225. The radio operates on all currently allocated marine channels and is switchable for useIt features instant access toAtmospheric Administration) All Hazards Radio with Alert that can be accessed by pressingRecommendations For Marine Communication.

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It gives you 2-wayWith it, you can call for help, getBesides 2-way communications, in the U.S.A., the radio can provide quickAdministration) and two Canadian weather channels for alerting you to weatherEnglish and SpanishFaxes can be received at 773-622-2269 (fax).English. AS2015 Cobra Electronics CorporationChicago, Illinois 60707 USAClass-D Fixed Mount VHF Radio. English and Spanish 8:00 a.m. to 5:30 p.m. Central Time Mon. through Fri. (exceptPrinted in China Part No. 480-1015-P Version C. English only.Nothing Comes Close to a CobraAZ. Should you encounter any problems with this product, or not understandAutomaticallySelectable to one (1) or 25 watts outputSubmersible to (1.5) meters of water for. Allows connection to the alarm output ofAllows operation on any of the three (3)Channel 16 and calling Channel 9.Allows the ability to maintain a listeningRadio utilizesWeather Channels, 24 hours a day. Helps you quickly find the buttonsVHF Marine Radio Protocols. Installation and Start-UpWarrantyAz. At. Al. AlAz. Az. Az. AtAs. AzCustomer ServiceSEE page 20 in the antenna requirementsDO NOT operate the radio without a proper antenna or equivalent dummy loadDO NOT transmit more than 50% of the time the radio is in use a?? 50% dutyThe following WARNINGS and NOTICES will make you aware of RF exposure hazardsTo make the most of this radio, it must be installed and used properly. Please read the installation and operating instructions carefully before installing andALWAYS use only Cobra authorized accessories. This CobraMarine radio is designed for and classified as a??Occupational Use Only.a. It must only be used in the course of employment by individuals aware of both theThis radio is NOT intended forNEVER connect the transceiver to AC power. It can be a fire hazard, may causeNEVER mount the transceiver or microphone where they might interfere withFCC OET Bulletin 65 Edition, Evaluating Compliance with FCC Guidelines for.

s most important functionIf, for some reason, Channel 16 is congested, the use of. Channel 9, especially in U.S. waters, may be used as the initial contact (hailing) channel forYou need a Radio Operatora??s Certificate if your vessel is operated in Canadian waters. Radio. Operator training and certification is available from the Canadian Power Squadron. Visit theirOntario, Canada K1A 0C8.The United States. Coast Guard recommends that the boata??s registration number and state of registry (e.g., IL 1234. AB) be used as a call sign and be clearly visible on the vessel.Corsair: a??Vagabond, this is Corsair (station license number call sign).a. Vagabond: a??Corsair, this is Vagabond. Over.a. Corsair: a??Vagabond go to working Channel 68. Over.a. Corsair: a??Vagabond I need to talk to you about. Over.a. Vagabond: a??Corsair in answer to your question about. Over.a. An MMSI is a nine (9) digit number used on a marine radio capable of using digitalIt is used to selectively call other vessels or shore stations andCorsair: a??Vagabond, thanks for the information about. (call sign and out).a. After each transmission, say a??OVERa?? and release the microphone Push to Talk (PTT)When all communication withFor your CobraMarinea?? radio to operate in the DSC mode, you must enter yourSee page 41 for instructionsIn Canada, Contact. DSC will eventually replace aural (listening) watches on distress frequenciesIndustry Canada Spectrum Management Office (only available on the Internet):To Obtain An MMSI Number Outside The U.S.A. Users can obtain an MMSI from their countrya??s telecommunications authoritySpeak in a normal tone of voice. Digital selective calling is a semi-automated system for establishing a radioGlobal Maritime Distress and Safety System (GMDSS).Commercial vesselsBoth parties switch over to the agreed upon working channel.

Changes or modifications to your radio MAY VOID its compliance with FCC (Federal. Communications Commission) rules and make it illegal to use.Please try the Sea Tow Automated Radio Check service. Areas where the safety checkThe first and only boating safety program of itsConducting a radio check through the Sea Tow Automated Radio Check service couldna??tTo find the Sea Tow Automated Radio Check service channel in an area boaters, radioPOSITION your radio, external speakers, and cables at least three (3) feet (0.9 m)CHECK your compassDO NOT cut the power cables attached to the transceiver. ImproperNEVER connect the transceiver to DC power greater than 16 volts or toDoing so will damage the transceiver.The VHF frequencies on your radio areAz. At. Al. AlAzAz. Az. Az. AtAs. AzMake sure your radio is On. Select Channel 16 and listen to make sure it is not being used.You may use Channel 16 when you do notTry 1 watt first if the station being called is within a few miles. Try a second call afterIf there is no answer, switch to a higher power. This will conserveWhen you are on land. Voice Calling. Whenever your boat is underway, the radio must be turned On and be tuned to Channel 16,Channel 16, except in an emergency or if you are testing your radio. Identify, in English, your station by your FCC call sign, ship name, the state registrationVHF Marine Radio Procedures. After contacting another station on a calling channel, change immediatelyOperation isFCC Warnings: Replacement or substitution of transistors, regular diodes,FCC Rules, or violation of type acceptance requirements of part 2 of the rules.If you do not get a reply, wait at least two (2) minutes before calling again. After three (3) calling periods, wait at least 15 minutes before calling again. The use of Channel 16 is permitted for making initial contact (hailing) with another vessel. The limits on calling must be followed. Be reminded, Channel 16a??

For Credit Card OrdersMake Check or Money Order Payable To. Cobra Electronics, Attn: Accessories Dept.,To Order Online. Please visit our website: www.cobra.comAaAs. AzAsAz. As. Al. AlAaOn Almost Any Flat Surface:To Mount The Transceiver Flush In Almost Any Flat Surface:AsVHF radio to allow its installation in almost any flat surface.AsAs. Al. Aa. AlAlTo Install The Microphone Bracket:Before using your CobraMarine VHF radio, it must be installed on your vessel.Negative (-). Red CableAaAl. As. AaAsIf the power leads must beFCC regulations require that the Warning StickerBe sure theYour CobraMarine VHF radio is poweredTo Connect To A Power Source:Length. Wire Gauge. Up to 1.5m(4.9ft). Up to 3.0m(9.8 ft). Up to 5.0m(16.4 ft). Up to 6.0m(19.7 ft)As. AzAz. As. AsAs. Al. Aa. AlWhen replacing the fuse in your transceiver, use only the size and typeDo not transmit when anyone is within the MPE radius of the antenna unlessThe radio is arrangedSince it represents the link between your radio and the outside world. CobraAZ suggests you purchase the best quality antenna, coaxial cable,This is best accomplished with the adviceSafe Maximum Permissible Exposure (MPE) Radius. To avoid health hazards from excessive exposure to RF energy, FCC OET BulletinThis means that all persons must be at least 10a?? (3 m) away from theAsOnce the antenna is installed, the Coaxial Cable Lead canAzAz. AsAsAlAl. AaA) An omnidirectional antenna with a gain not greater than 9 dBi mustB) For vessels without structure to mount the antenna as described in A,The antenna mustAs. Al. AzAl. AsAsAaAsGreen wire - NMEA 0183 -Data in. Al. AlAl. AlBlack wire - -Negative connection (Black wire is common shared -Negative forYour Cobra Marine radio does not include a built-in GPS receiver. After connecting anAn external GPS input connector has been provided to allow connection to aAl. As. AlAa.

Digital Selective Calling (DSC)The vessel Corsair calling the vessel Vagabond:To be effective as a safetyThe range of the signal may vary, but under normal conditions should beAsAz. At. Al. AlAz. Az. Az. AtAs. AzDSC also allows mariners to initiate and receive distress, urgent, safety,The Coast Guard monitors Channel 16, responds to all distress calls, and coordinatesDepending on the availability ofCoast Guard or Coast Guard Auxiliary craft may be dispatched.The safety signal SECURITE is used for messages about the safety of navigation orWhen using an international emergency signal, the appropriateIn any event, do communicate with the Coast Guard as soon as you experienceUse the emergencyUse channel 16 to communicate your emergency message. Make sure you transmit onThe three (3) spoken international emergency signals are. The ability to summon assistance in an emergency is the primary reasonThe marine environment can be unforgiving,You must give any message beginning with one (1) of these signals priorityALL stations MUST remain silent on Channel 16AsAz. AtAl. AlAz. Az. AzAs. As. AzIf the distressed vessel is not nearby,Even after your message has been received, the Coast Guard canIt is a good idea to write out a script of the message form and post it where youMarine Distress Procedure a?? DSCSomeone should answer. If not, repeat the call, beginning at item 3 above.Digital Selective Calling (DSC) is a semi-automated system that will allow you to pressWhen the distress buttonImportant information such as your. MMSI number, position and name will be transmitted on Channel 16. The distressThe DSC system allows you to choose a a??pre-programmeda?? distress call such as:DSC calling also allows the user to initiate and receive distress, urgent, safety,AsAz. AtAlAs. Az. AzAs. As. AzThis radio must be used only withinAz. At. At. At. As. Az. Az. AzAt. As. AsAl. AlOptional Accessories. Call 773-889-3087 for pricing or visit www.cobra.com.

EXIT soft key to EXIT without making changes to the Local. Time setting.As. Az. AsAz. AzAs. AsAs. AtOr press the. EXIT soft key to EXIT without making changes to the Local. Time Zone setting.It:Channel Mode settingThe radio willAsU.S.A., Canada, and the rest of the world (International). Most of the channels are theKey Tone setting.The radio willTime Adjust usesTime Adjust will allow the radio to display theFor time input to be converted to local time, you needYou can also choose to have the time displayed in a 12 or 24If you would preferAlAs. As. AsAz. AzAs. AsAt. AsAlert setting a?? ON or OFF.Weather Alert setting. The radio will turn on the Weather. Icon and Weather Alert Icon to indicate that the Weather. Alert is active.The radio willTo Turn The Priority Channel On Or Off:Or press the. EXIT soft key to EXIT without making changes to theAl. As. AsWhen NOAA broadcasts a Weather Alert Signal and your radio is in the Weather AlertThe alert indicators will sound regardless of what channelAzOr press the. EXIT soft key to EXIT without making changes to theAsOr press the. EXIT soft key to EXIT without making changes to the. Coordinate System setting.The radio willAs. As. AsAz. AzAs. AsAt. AsAsIn an Emergency you want the rescue authorities and surrounding vessels to knowThis menu allows you to select the coordinate system which is basically theAugmentation System to be enabled or turned off (some areas on Earth need thisThis is the perfect testShown as a PASS or FAIL. If a. FAIL is reported, then this will show either HIGHShown as a PASS or FAIL. If a FAIL is reported, the RF output power is incorrect. Check the installation of the radio to ensure properIf a FAIL isThe radio will return to the menu.Az. As. AsAz. AzAs. AsAt. AsTo enter a new MMSI number,Down buttons.The blinking cursor will appearMMSI number are entered.Received (Rx). Enter the MMSI number as soon as you receive your MMSI numberBut, that is not the only advantage of DSC equipped radios.

Those radios are set up toThe price of these benefits to the user is the time it takes to do the required set-upA little time spent when your radio is new will payThese procedures use the Settings menu. Refer to page 28 for information on enteringMMSI ENTRY menu option will move to the bottomThis is done because the. MMSI entry is entered only once.PDF Version: 1.4. Linearized: No. Page Count: 23. Producer: GPL Ghostscript 8.15. Create Date: 2015:02:06 16:50:19. Modify Date: 2015:02:06 16:50:19. Creator: Adobe Acrobat 11.0.9. Author: Kera-Vi. It gives you two-way vessel-to-vessel and vessel-to-shore station communications, primarily for safety and secondarily for navigation and operational purposes. With it, you can call for help, get information from other boaters, talk to lock or bridge tenders, and make radiotelephone calls to anywhere in the world through a marine operator. Besides two-way communications, the radio can provide quick access to receive all the NOAA (National Oceanographic and Atmospheric Administration) weather channels and alert you to weather emergencies with a tone on a weather channel you can select for your area. If you require further assistance after reading this manual, Cobra Electronics offers the following customer assistance services: For Assistance in the U.S.A. Automated Help Desk English only. 24 hours a day, 7 days a week 773-889-3087 (phone). Customer Assistance Operators English and Spanish. 8:00 a.m. to 5:30 p.m. Central Time Mon. through Fri. (except holidays) 773-889-3087 (phone). Questions English and Spanish. Faxes can be received at 773-622-2269 (fax). Technical Assistance English only. www.cobra.com (on-line: Frequently Asked Questions). English and Spanish.Sign up now. It gives you 2-way vessel-to-vessel and vessel-to-shore station communications, primarily for safety and secondarily for navigation and operational purposes.

AsAsAsAs is the case with the antenna, choosing theseStandard connectors are provided on the front and back of the transceiver.At times, it may be handy to hail other boats or give instructions to line handlersAddress mode through an attached PA speaker.Black wire - -Negative connection (Black wire is common shared -Negative for the. External Speaker and PA output)As. AzAz. AsAsAl. As. Aa. AlAs. AaAzWhen the radio is powered On, the confirmation toneThe radio will return to the settings in effect when it wasAz. AzAzAzTo Decrease The Volume:That is controlled by the circuitry ofSquelch control filters weak signals and radio frequency noise so that you can moreYou can think of it as a variable barrier that blocksAz. As. AzAz. As. AsAl. As. Aa. AlIt does not sound for voice calls on Channel 16 a?? you stillDistress Acknowledgement Alarm. Higha??lowa??higha??lowa??high. Pause, then repeat. The volume of all alarms willPress any button to turn it Off. DSC Routine Call Alarm. Higha??pausea??higha??pausea??high. Long pause, then repeat. Press any button to turnDSC Geographical Alarm. Loud, continuous, medium-pitched, high-low tones (warble) a?? soundsPress any button to turn it Off. DSC Position Request AlarmDSC Individual Alarm. Higha??pausea??higha??pausea??high. Long pause, then repeat. Press any button to turnConfirmation Tone. Single high-pitched beep confirms all button presses except the Talk button. It can be turned On or Off. See set-up routines on page 30. Error Tone. Three low-pitched beep indicates an invalid button press. DSC Distress Alarm. Higha??lowa??higha??lowa??high. Pause, then repeat. The volume of all alarms willPress any button to turn it Off. Weather Alarm. Medium-loud, continuous, medium-pitched series of one-half (1a??

2) second beepsRefer to the foldout on the front cover of this manual to identify the variousThroughout this manual you will be instructed to press or to press and holdPress means a momentary press, then release; press andAzAaAsYou will not hear the response to yourAs. AzAs. Az. As. AsAsAlAs soon as the Talk button is released, it can be pressed again toThe LCD will show whichSome channels are restricted to use at a maximum of onePower mode when you select those channels. While using the U.S.A. channel map, if, in an emergency,Channel 67 for your signal to be heard, you can override the. Power button.AsAlAsYou Can Choose One Of The Following. This will take you toThis will takeChannels 16 and 9 and the current user selected channel. From Standby Mode, You Can. Change your radioa??s settings using set-up routines.While the radio is in Standby mode, the Receive mode isYour radio can Transmit selectively at one (1) or 25 watts of power. CobraAZ suggestsUse the high power setting for long-rangeStandby Mode. To Receive Weaker Signals:If the squelch is set so that you can hear a continuous hissingAtTurning the Squelch knob further clockwise (higher barrier)The Squelch bar graph will be shown to indicate the SquelchAzTo Change The Contrast:Contrast setting.The radio willAs. As. AsAz. Az. AzAt. AsAs. Az. The LCD backlight will not be visible in daylight, but the LCD. Contrast can be adjusted to make it easier to read inThe radio willAzEXIT at the bottom of the menu, or press the Exit soft keyStandby mode.This lamp can be adjusted for brightness or turned Off. To Enter The Settings Menu:The Settings menu will appear on the LCD. After entering the Settings menu, you can scrollWhenever the setting selection highlight appears in a featureWhen you are finished with changes, you can exit the. Settings menu by pressing the Exit soft key and return to. Standby mode.Aa. As. As. As. AlMMSI number.AzAzAz. As. Az. Az. As. AzAz. Al. AsOr press the.

With it, you can call for help, get information from other boaters, talk to lock or bridge tenders and make radiotelephone calls to anywhere in the world through a marine operator. Besides 2-way communications, in the U.S.A., the radio can provide quick access to receive all NOAA (National Oceanographic and Atmospheric Administration), including two Canadian weather channels for alerting you to weather emergencies with a tone on a weather channel you can select for your area. Customer Assistance Customer Assistance Should you encounter any problems with this product, or not understand its many features, please refer to this owner’s manual. Questions English and Spanish. Faxes can be received at 773-622-2269 (fax). Technical Assistance English only. www.cobra.com (online: Frequently Asked Questions). English and Spanish.Warning and Notice Statements To make the most of this radio, it must be installed and used properly. Please read the installation and operating instructions carefully before installing and using the radio. Special attention must be paid to the WARNING and NOTICE statements in this manual. Statements identify conditions that could result in personal injury or loss of life. Statements identify conditions that could cause damage to the radio Safety Training. Your radio generates electromagnetic RF (radio frequency) energy when it is transmitting. To ensure that you and those around you are not exposed to excessive amounts of that energy, DO NOT touch the antenna when transmitting and KEEP yourself and all others on your vessel the required distance away from the antenna while transmitting. See page 31 in the antenna requirements section for further. DO NOT cut the power cables attached to the transceiver. Improper reconnection with reversed polarity will damage the transceiver. POSITION your radio, external speakers and cables at least 3 ft (0,9 m) away from your vessel's magnetic navigation compass.

CHECK your compass before and after installation to be sure that it has not introduced any deviation. DO NOT attempt to service any. This CobraMarine radio incorporates a VHF FM transceiver designed for use in the frequency range of 156.025 to 163.275 MHz. It requires 13.8 volts DC and has a switchable RF output power of one (1) or 25 watts. The radio is capable of Class-D DSC (Digital Selective Calling) operation. The radio operates on all currently allocated marine channels and is switchable for use according to U.S.A., International, or Canadian regulations. It features instant access to. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates. Please try again.Please try again.In order to navigate out of this carousel please use your heading shortcut key to navigate to the next or previous heading. In order to navigate out of this carousel please use your heading shortcut key to navigate to the next or previous heading. In order to navigate out of this carousel please use your heading shortcut key to navigate to the next or previous heading. Full content visible, double tap to read brief content. Please try your search again later.Pattern Name: Radio With safety features and 24-hour access to emergency alerts and broadcasts, Cobra’s got you covered. The best value in our handheld VHF radio line up backed by 50 years of Cobra quality, this floating radio has an orange core for higher visibility and is easy to retrieve if dropped overboard. It features 6 Watts of power for longer range communications and full access to all NOAA weather channels and alarm tones for weather emergencies.Pattern Name: Radio To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzes reviews to verify trustworthiness. Please try again later. Amazon Customer 4.

0 out of 5 stars It's held up great so far. Just make sure you clean off the salt spray after use like you should be doing with all of your gear. The battery life is great. I always scan several channels and usually transmit on the lowest power setting. After two full days of use the battery indicator just dropped two bars. I've not purposely dunked it in the water to test the waterproof claims but i'm sure it'll be OK. Everything seems to be sealed up tightly. My only complaint about this unit is the fact that it can only be charged with the supplied charging cradle. It would be nice if it featured a USB-B or C port to allow charging from a portable power bank during multi day outings. Overall I think this radio is a great value. It offers a ton of features and is lightweight and compact. For the weekend user It fits the bill nicely and the price-point is great. Having said that, If I was relying on a handheld radio daily I would probably go ahead and spend the money on a higher end Icom or Standard Horizon because of their reputation for reliability and durability.Rarely had to charge it even. Though it's supposed to float and be submersible, I never had need to test this feature. About a week ago, out of nowhere, the speaker stopped working though. Never dropped it, nothing bad happened to it, seriously. Just stopped in the middle of a day on the water. Apparently it still transmits, but zero sound comes out of the speaker. I learned this during a regatta I was running when people seemingly stopped responding to me. So. not sure about that. Will try and get my money back from Amazon, but right now I'm wishing I'd bought it from that national chain boat store whose name includes a cardinal direction that's not north, south, or east, because I know they'd refund my money toward a new radio that will hopefully work longer than a year.Bought it for a week long trip got wet the first day and spent the whole time without a radio.

Going to see if i can get warranty service for it, but right now very unhappy. If you buy one put it under water to test it before you take it on a boat.The features are nice on the radio. The speaker is good as radio checks come in loud and clear. I tested the mic with my mounted VHF and the sounds from the mic are loud and clear. All in all a good back up radio. I would purchase this again. This radio is not waterproof by the way. It is water resistant JIS 4. I put the radio in a zip bag and use it that way.On the first trip with the radio, I battled to keep the radio clipped to life vest or drysuit. Fed the strap through life vest buckle which is the only thing that kept it attached to me when I got hit by a wave and rolled in the surf returning home. I was satisfied with it ability to float and handle brief submersion. The clip needs to be redesigned and more substantial. Since I like certain features of the radio and I dont like returning products, I will be thinking through the problem today to improvise a solution. But, the company needs to make some improvements.Worked ok 1st day. Second day a few transmitting problems. A week later the reception was so garbled you could not understand reception on comm channels. Wx channels seemed ok. Next trip I was unable to contact the harbor master from any position from about 100 ft from his boat to a few hundred yards. Same for launch services. The speaker is only readable about half the time. I left the unit on for a few hours and the reception seemed to improve, but still unable to properly transmit. Definitely want my money back.Tested this last few days in Wales. Yes it floats. Upside down but it floats. Be careful to not tighten the rubber grommet on the mic input. Floated for a few minutes at a time. Used it attached to myself and got in and out the water throughout the week. Scan mode works well. Battery didn't last the time it stated but hoping it just needs to be conditioned for longer use.

Clip and strap attached all good. Easy to use all facilities on device. Hoping the radio lasts a few years. Let's see. Any update I will repost the review. UPDATE: Just under a year with little use and just the test in water the speakers gone. Apparently out of warranty now. Not good value. Buy better.Sorry, we failed to record your vote. Please try again So make sure you read full description before you buy. Unlike me. It it a load of crap. No point being a marine radio if it can just about take a splash of water before breaking.Sorry, we failed to record your vote. Please try again The other problem is volume, unless you engine is very well sound proofed, I doubt you will hear it, even on its highest volume, unless it is clipped to your shoulder. That bring said, reception and range are more than adequate for inshore craft.Sorry, we failed to record your vote. Please try again I used it to monitor channel 16 when I was on the water and it worked fine. It was raining, and when I took out the radio out of my chest pocket to issue a Pan-Pan call, the radio had shorted out from the rain. I was unable to use the radio to call for help, and there were other boaters within 5km of us who would have been able to receive the call if the radio had worked. We had to beach the boat, make repairs, and limp back to camp while hoping that the leak did not get worse while we were on the water and without a radio. I thought that a marina radio being advertised as Waterproof meant it would be able to withstand the rain I frequently encounter here in BC, but apparently it does not. Learn from my mistake an choose another product that you can rely on in an emergency.Sorry, we failed to record your vote. Please try again Sorry, we failed to record your vote. Please try again. It gives you two-way vessel-to-vessel and vessel-to-shore station communications, primarily for safety and secondarily for navigation and operational purposes.