1. waterproof GMRS Mobile Radio, such as Retevis RB86
2. GMRS Radio connect repeater, ability to extend call distance for large farms. such as Retevis RB19P, Retevis RB26, Retevis RB27, Retevis RT43
3. License-free radio for small farm. RT22 RB28 RT67
4.The vox function can free hands and improve the work efficiency of workers.