Retevis RM21 Retevis RT55 Retevis RA26 Retevis RM40 Retevis RA27 Retevis RM20 Buying Options Add to Cart Add to Cart Add to Cart Buying Options Buying Options Customer Reviews 4.5 out of 5 stars 78 4.5 out of 5 stars 166 4.4 out of 5 stars 108 3.8 out of 5 stars 48 4.3 out of 5 stars 94 4.3 out of 5 stars 50 Price $80.99$80.99 $89.99$89.99 $85.99$85.99 $124.99$124.99 $143.99$143.99 $125.99$125.99 charging method wall charger with charging base wall charger with charging cradle wall charger with Micro USB car charger and wall charger no data no data Battery Capacity DC3.7V, 1800mAh li-ion DC3.7V, 1200mAh li-ion DC3.7V, 1500mAh li-ion DC7.4V，1500mAh no data no data Built-in GPS and DSC no data no data no data ✓ ✓ ✓ waterproof level IP67 IP67 IP67 IP67 IP67 IP67 Vibration Draining Function ✓ ✓ ✓ ✓ ✓ ✓ Float Floats and Flashes Alarm ✓ Floats and Flashes Alarm Floats and Flashes Alarm ✓ ✓ NOAA Weather Alerts ✓ ✓ ✓ ✓ ✓ ✓ Advantage Clear audio（Noise Cancelling Mic） Easy to use（big button）） Long battery life GPS MOB DSC Easy to install Loud voice （high power speaker）） Retevis RM01 Handheld marine radio Why choose RM01 ship to shore radio for boats? 121 / 150As the first marine walkie-talkie for beginners. It is completely satisfying your sea travel needs. 88 channels can be used in the United States, Canada and international waters. Tri-watch can alternately watch the current channel; 16 channel and CALL channel. Rechargeable walkie-talkie last for 6 hours in normal use and 24 hours in standby mode. RM01 marine handheld radio Dual-watch and triple-watch Dual-Watch: Take turns finding between the current channel and the 16 distress and safety channels.Triple-watch: Take turns to the current channel, the 16 distress and safety channels, the CALL channel. Draining the Water If the walkie-talkie falls into the water, the first thing we should do is to remove the seawater to prevent corrosion. And can ensure that you get better sound quality. Rechargeable Walkie Talkie Rechargeable 5xAAA, 850mAh NiMH rechargeable batteries AC and DC charging cable meets your different needs.Fast charging and save battery avoid the embarrassment of dead battery. Floating Handheld Marine Radio IP67 waterproof RM01 IP67 waterproof marine radio can be immersed in 1meter deep water for 30 minutes.It can float on the water until you catch it. Strong corrosion resistance ensure it will perform well in sea water. Hot spots of marine two way radios: Lightweight Dual-watch and triple-watch Automatic Backlight Favorite Channel Function NOAA Weather Alert RM01 marine two-way radios to ensure your safety.(your safety is our pleasure )NOAA Weather alert keeps updated the real-time weather conditions and a alarm of severe weather, always help be prepared for the unexpected natural disasters. Used in international waters (88 channels) Receives all Marine Radio Channels, including all USA, Canada, and International Marine channels and receives all NOAA Weather Channels and Alerts. And you can customize your favorite channels and make your own channels. Package Includes： 1 x Marine Transceiver 5 x 1.2V(AAA)Battery 1 x Belt clip 1 x Antenna 1 x Adapter 1 x English Manual 1 x Lanyard 1 x charging cable 1 x car charger NOTE: When the marine radio is connected to the charger, it can only transmit but not receive