Long-distance walkie talkie RB22 professional digital walkie-talkie, compact structure, is a good helper for your work4000 channels; equipped with high-gain antenna, able to make calls over longer distancesRB22 walkie-talkie can be connected to a base station, which can further extend the distance of the call Package includes： 2x RB22 Two Way Radio 2x Li-ion battery 2x Antenna 2x Adapter 2x Charger 2x Belt clip 2x English user manual IP66 waterproof walkie talkie RB22 walkie talkie has IP66 waterproof and dustproof functions, can withstand long-term rain splashesIt can be used normally in various harsh environments such as wind, rain and snow Other Feature: Dual time slot Battery Save Mode SMS function group call/all call Emergency alarm VOX Remote kill/activate Single/group/all call Group call can contact the group members you have set up as needed.You can also easily set up one-to-one single call and all call. High sound quality Squelch function and digital mode provide clearer voice communication, even in a noisy environment, smooth communication. 1900mAh battery capacity It can be used for 18 hours to meet the needs of daily work.Large capacity battery and power saving function make standby more lasting. 1.77 inch color screen 1.77 inch color screen, display almost everything you want to see; time/channel/volume, let you know at a glance SMS Support SMS editing and sending, easily edit the text and send it to other digital walkie-talkies Record The recording function allows you to record the important content of the call and listen to the recorded content repeatedly after the call VOX Hands-free two way radio; after activating this function, the signal is transmitted directly by voice; no need to press PTT Retevis RB22 Digital Business Walkie Talkie 1 Pack Retevis RB25 Digital Walkie Talkies Long Range 2 Pack Retevis RB25 Digital Walkie Talkies Long Range 6 Pack Retevis RT43 DMR Long Range Walkie Talkies 3 Pack Buying Options Buying Options Buying Options Buying Options Customer Reviews 3.2 out of 5 stars 7 4.1 out of 5 stars 18 4.0 out of 5 stars 7 3.9 out of 5 stars 17 Types of walkie talkies Digital(DMR) Digital(NBDR) Digital(NBDR) Digital(DMR) Number of channels 4000 32 32 32 Battery capacity 1900mAh 2500mAh 2500mAh 1400mAh