In stock version:
>High sound quality
>UHF Full-Frequency Radio
>Digital and analog compatible
Cross Band Repeater/ Dual Band/ Dual Receive/ 360 Degree Channel Knob
long range waterproof walkie talkies
Flexible IP networking: The device is connected in an IP interconnection mode, and supports wired access mode or wireless access modes such as WIFI, 3G/4G, and satellite communication to implement voice and data communication.