Professional Talkback Radio Transceiver

Specifications Professional Talkback Radio Transceiver:

-CE,Rosh,

-High-performance IC

-Full Duplex,83 channel

-1 year warranty

Professional Talkback Radio Transceiver     wireless full duplex walkie talkie specification:   TA-521 is a multifunctional 2.4G wireless digital walkie talkie which is produced by our own R&D team, used our company’s latest long-distance wireless data Voice transceiver modules.It has the 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, and 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    Technique Parameter:

	Machine A	Machine B
Battery capacity	1400mAh	1400mAh
Off status current	0mA	0mA
Operation current	110mA	110mA
Operation voltage	3.7V-4.2V	3.7V-4.2V
Transmitting power	18-20dBm	18-20dBm
Receiving sensitivity	-100dBm	-100dBm
Operation temperature	-20°C-70°C	-20°C-70°C
Range	About 500 meters
Operation time	About 6 hours

  Operation instruction How to use: 1. Connect earphone to the machine   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.  (1):  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.   (2):   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

Accessory	QTY
Machine A	One
Machine B	One
Earphone	Two
Lithium battery	Two
Charger	Two
Manual	One

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