1..Battery: Rechargeable li-ion

2.Operating power: DC 3.7V

3.Current: 150mA

4.Main function: 4 referees communication

5.Transimit power: 20dBm

6.Received sensibility: -100dBm

7.Box sizes: L*W*H=26.5cm*20.5cm*4.5cm

8.Phone weight: 135g/pc*4pcs

9.GW: 1500g

Wireless Digital Full Duplex Walkie Talkie Hands-free 2.4ghz 300M For Sport

Full Duplex function:

Talk and listen at the same time ,

Without PTT button ,

Workable distance about 300M(master phone and extension phone)

AFH technology:

Adaptive Frequency Hopping when the channel disturb

Team working:

- 4 pack in a group

- 2 pack in a group

Suit for :Referee communication ,theater,horseback riding coach and outdoor working and so on .

wireless full duplex communication specification:

- latest long-distance wireless data Voice transceiver modules.

Contact Infomation