Retevis RT81 Digital Two Way Radio,Walkie Talkies Long Range,IP67 Waterproof,2200mAh,Group Call,2 Time Slot,Security,Commercial DMR Radio for School (2 Pack)
Digital radios offer many advantages vs. analog radios including:better voice quality;stronger coverage;longer battery life and more secure;besides they are generally compatible with analog walkie ralkies
IP67 waterproof and dust-proof;military grade;RT81 waterproof two way radio is built durably and ruggedly for withstanding shock; vibration;dust and harsh weather conditions such as snow and rain
High power walkie talkies with potential coverage for up to 300,000 square feet /30 floors;high gain antenna provides powerful signal transmission and penetration ability; improve call sound quality;(channel 1 can connect to base station )
Digital communication without sound distortion or signal drop;enhance the clarity of the voice;2 way radio long range support crystal transmission sound whether inside a building or outdoors
All call/group call;allows you to talk to other people simultaneously even they are not on the same channel
2200mAh rechargeable battery; long-time operation without worrying;15 hours in analogue mode; 25 hours in digital mode
Out of the box;16 channels are pre-set with CTCSS/DCS to reduce unnecessary transmissions and therefore cannot talk directly to other brands of radios; if you need to talk to other brand walkie talkies; please contact us via Amazon mail; we will offer firmware for you
Talk permit tones;users know when the channel is free for them to talk;therefore promoting orderly communications (requires firmware)
Dual time slot; two sets of calls can be performed at the same time at the same frequency
Easy to use;no complicated buttons;voice prompts allow easy navigation of channels;powers level;yellow label that comes with the fuselage;sign your name;quickly find your own RT81 DMR radio
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