Technical details


About 1 km at ground level
upto 3 km for hilltop to hilltop, varies at different environment

Radio channel

UHF- 400~480 MHz,

With fixed channels as shown below:

"409 MHz" for HK, China, Macau
"KDR-444" for Sweden and Norway
"PMR-446" for Europe, England, France, Spain, Italy and more conutries ... ...
"American FRS" for USA, Cnada and Mexico
"467 MHz" for Taiwan
"476 MHz" for Australia and New Zealand"
"477 MHz" for Malaysia



Special Function

VOX (voice active)
Channel protection : limited time for PTT
Suport android handsfree, the "VOL-" button is PTT (push-to-talk)

User interface

Using Android-App to control by bluetooth 4.0 (BLE) technology.


POWER 0.5W for transmission
Battey 800 mAh , rechargeable lithium battery
PTT time about 60 mins
Incoming calls about 120 mins
Standby about 10 hours
Weight 65g
Size 101 x 44 x 17mm (with antenna, not including back-clip)


IP68, 3-meter waterproof for 3 hours.
All hole are waterproof without any covers.
Pleae see the youtube for more details: