About RETEVIS RT29: 1：High power two way radios with strong penetration;sound transmission can pass between buildings and keep sounds undistorted 2：3200mAh large capacity battery support over 24h hours of use and 250 standby time;sturdy body design with military standard can anti-fall and anti-friction for long use life 3：Each channel with secure call can prevent irrelevant signals;make sure you have a secure and secure call 4：Whatever your needs;RT29 two way radio provides a simple;reliable; cost-effective communication solution to help work crews connect; coordinate and collaborate to get the job done right.
eBay