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) - FA9119A2-C9018A

• UPC   608560888986
• 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