While there is no substitute for a solid seamanship skills, a radio provides an important means of two-way communication with others in any emergency or security situation. Check out Retevis latest handheld VHF radio RM21.
Retevis RM21 Handheld VHF radio
RM21 is a new handheld VHF radio in small size. Its portability and usefulness make it be an important real-time communication tool in an emergency, and also a security guarantee that could save your and your fellows’ life.
Specification
- Frequency Range: 156.025-163.275MHz
- Modulation Type: 16K0G3E
- Weight: 273g (With battery, antenna and belt clip)
- Dimensions:146（H）* 62(W) * 41(D) mm
- Output power : High: 5W; Middle: 3W; Low：1W
- Battery: 1800mAh li-ion
- Charger: Desktop Charger
- Channel group: 88CH (USA/INT/CAN)
Features
Here are some special features about Retevis RM21 Handheld VHF radio:
Noise Reduction Function (NRC)
This function helps reduce background noise and reduce echo during calls, which greatly ensure two parties can hear each other clearly, even in an emergency.
Fallen Overboard Detection
If the radio falls into the water, when the detection button and the charging contact are in the water at the same time, the back of the radio will emit a red light to indicate.
NOAA Weather Channel Alarm
10 pre-programming NOAA weather channels will automatically scan to notify you of the latest weather updates and an alarm indicating a risk of severe weather.
IP67 Waterproof
RM21 has IP67 rating; can be put in one meter of water for more than 30 minutes, keeping inside and outside intact.
High Power and Long Range
The max power of RM21 is 5W, which is higher than other 3W VHF handhelds. Based on field tests, more than 3 km can be covered even in dense urban areas.
Long Standby
The power saving function of RM21 follows the rule of “5-5-90% ” cycle time assumption ( 5% Talk / 5% Listen/ 90% Standby ). If there are no transmissions for a while, the unit will automatically switch to battery save mode. The working time of RM21 is up to about 10 hours, and its standby time is up to about 60 hours.
More Functions
- Dual/Tri-Watch Functions
- Normal Scan and Priority Scan
- Emergency Switch Channel 16
- High/Low power Switch (6W/3W/1W)
- Busy Channel Lock
- TX End Tone (ROGER)
- Key Tone (BEEP)
- Power Saving Function
- Favorite Channel Function
Application
RM21 is suitable for small vessels without their own battery source; or as emergency back-up for fixed radios or as additional radios for crew and use in tenders etc.
Thank you for reading this blog! If you have any questions, please leave your comments below. We are looking forward to your comments!
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