Retevis RM20 VHF Marine Radio IP67 Waterproof 25W 88CH with GPS NOAA Fixed-Mount Class D DSC Two-Way Radio Transceiver for Boats
Description
RM20 VHF 88 Channels 25W IP67 GPS NOAA Fixed-Mount Class D DSC Marine Transceiver (USA/INT/CAN)
Description:
This is a small, loudvoice, and easy-to-install marine transceiver, Comply with ITU-R M.493-13 Class D DSC (digital selective calling), supports the latest marine channel standards and DSC protocol standards, features DSC Test Calling and Automatic Position Polling ,There are 11 categories of DSC distress calls, and all DSC calls have 3 security categories, loudvoice，weather channel with weather warning,IP67 submersible waterproof rating ,Easy to operate icon and menu system ,Built-in GPS, GLONAS, SBAS Satellite-based Augmentation System (WAAS/EGNOS/MSAS/GAGAN),And support multiple NMEA format transmission,Very suitable for ocean navigation.
Main functions：
External speaker with 3.5mm pin
Build-in GPS Latitude and Longitude and Time
IPX7 Waterproof Construction (1m Depth of Water for 30 Minutes)
Vibration Water Draining Function
Weather Channel Alarm
Dual/Tri-watch Functions
Normal Scan and Priority Scan
DSC Call Reception and Transmission Records Can be Queried
Standard NMEA 0183
Full Dot Matrix Display
Channel Number Display Digits Selectable: 3 Digits(01B)4 Digits(2001)
Simple and convenient operation
Support Latest Marine Channel Standards and DSC Protocol Standards.
Emergency switch 16/9 channel
High/low power switching
General Specifications:
General | |
Frequency Range | TX: 156.025~157.425MHz |
RX: 156.025~163.275MHz | |
Modulation | FM (16K0G3E), DSC (16K0G2B) |
Frequency Stability | ±10ppm |
Operating Voltage | DC13.8V (±15%) |
Operating Temperature | -20°C~+60°C |
Antenna Impedance | 50Ω |
Dimensions (W×H×D) | 153mm×67mm×152mm |
Weight | 742g (Hand MIC Included) |
Receiver | |
Receive Sensitivity | ≤0.22 µV |
Squelch Sensitivity | ≤0.22 µV |
Adjacent Channel Selectivity | ≥70 dB |
Spurious Response Rejection Ratio | ≥70 dB |
Intermodulation Rejection Ratio | ≥70 dB |
Max. Receive Current | ≤1.5 A |
Audio Output Power | ≥4.5 W (10% ) |
GPS Signal Format | NMEA 0183-2.0 |
Output Impedance | 4Ω(Speaker) |
Transmitter | |
Output Power | 25 W \ 1W |
Max. Frequency Deviation | ±5 kHz |
Spurious Emissions | ≤-70 dB (H )，≤-56 dB (L ) |
Adjacent Channel Power | ≥70 dB |
Audio Harmonic Distortion | ≤10 % |
Current Consumption | ≤5.5A (H)，≤1.5A (L) |
Input Impedance | 2kΩ(MIC) |
Clear and Crisp Audio
It is vital to have clear communication while on the water and Retevis kept that in mind when designing RM20. The speaker is placed on the front panel, without shielding, and the audio is crisp. This radio is capable of up to 110db and features a separate squelch knob to eliminate unwanted background noise such as wind and engines. In addition, it supports external speaker connection for reliable communication.
Built-in GPS
Built with GPS receiver, simply power on and press DCS for 1 second, and your radio will instantly and accurately receive your GPS location no matter where you are, a feature especially important when in an emergency situation.
Digital Selective Calling
RM20 is a standard DSC-equipped VHF marine radio. In the event of an unexpected emergency, press DSC button and your MMSI and exact position will be sent to the Coast Guard and other vessels.
IP67 Waterproof & Vibration Water Draining Function
One of the most important features of marine radio is the waterproof capability. RM20 is IP67 waterproof rating. In addition, this radio has a vibration drainage function, helping to drain the water away from the loudspeaker housing, which can prevent water ingress affecting loudspeaker sound quality.
NOAA Weather Alert
The weather at sea can be very changeable, and NOAA broadcast can help you up to date on weather trends and emergencies. This radio has 10 weather channels. When the weather alert function is on, your radio will emit alert tone alerting you in the event of extreme weather.
Dual and Tri Watch
You can set dual watch or tri watch in menu system to monitor reception of multiple channels automatically including channel 16 plus other channels of your choice
One Click for Help
There is a separate “Emergency” button, press that button to make a distress call in emergency. The nearby shore station and other vessels with DSC equipped will receive this call, and it will alarm for quick rescue.
Super Long Communication Distance
This VHF marine radio allows the operation of channels in the US, Canada and internationally at 25 watts output power for 10-15km coverage on the sea, allowing vessels to keep in touch with shore and other vessels.
One Click to Channel 16/9
It’s important that boaters use the correct channel when communicating on a VHF marine band radio. Channel 16 and 9 are very important common channels especially for recreational boats. The “16” key is for quick access to channel 16 and 9.
Easy to Install and Operate
This compact radio is easy to be installed and operated. The dot-matrix LCD screen allows you to read the parameters and settings easily and menu system with programmable soft keys gives you simplified functionality.
Ship to shore radio for boats
Key Function
Package Details:
1 x RM20 Marine Transceiver
1 x Handheld Microphone
1 x Mounting Bracket
1 x DC Power Cable
1 x User Manual
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