Payment & Shipping Terms:

1.Type: headset

2.Dimensions: L*W*H=28cm*6cm*4cm

3.Frequency Range: 2402~2483MHz

4.Storage Channel: 83channels

5.Talk Range: Master to slaves is 250 meters

6.Current: 150mA

7.Operating power: DC 3.7V

8.Working temp: -40~+70degrees

Professional Full Duplex Walkie Talkie For Football Referee Intercom

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.

- latest high-performance RF radio chip and industrial-grade processing chip,

- Equipped with a small amount of external components,such as audio amplifier micro phone speakers etc,

- Used industrial-grade design standards.

Applicable Scope:

1) Electric power construction job site overhaul

2) Electricity System and equipment maintenance

3) Mining ,Construction sites contact

4) Army patrols communications

5) Railway Construction Contact

6) Oil Field Construction

7) Golf Course intercom

8) Airport personal deployment command

9) Traffic Police on duty communication

10) Police patrol communication

11) Travel, sports, referee use

Radio Technique Parameter:

How to code/program:

Important:the product have been programed/coded in factory, users no need to program again

1. In on status, press and hold the "Code" button till the red light twinkle then release, enter into coding status

2. Try the other machine same as step 1

3. If Configure Code successful within 6 seconds, red light will twinkles three times and machine goes to synchronous mode, after synchronization then go to communication status.

Low Battery:

In standby status, if is low battery (red light twinkle prompt lower battery) pls use USB cable charger charge the machine, green light will light in charging status , green light will extinguish when the charging finished

Accssory list:

Dimmension:

Length:53mm; Width:24.6mm; Height: 106mm; Anttena: 76mm