Dongguan TA-RF Security Electronic Technolog Co., Ltd

12 years experience in manufacturing high quality wireless doorphone

and  full duplex walkie talkie, also offer wirless technology solutions 


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HomeProductsFull Duplex Walkie Talkie

2.4DHZ Headset Security Full Duplex Walkie Talkie

Good Quality Wireless Video Doorphone on sale
Good Quality Colour Video Doorphone on sale
The wireless door phone is greeat ,I like it

—— Alice

It is nice ,it will be more better ,if the wireless range is longer


hellohow much is this product, 1 unit only? and how much is the shipping fee to the philippines?

—— mary jane kimura

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2.4DHZ Headset Security Full Duplex Walkie Talkie

2.4DHZ Headset Security Full Duplex Walkie Talkie  supplier

Large Image : 2.4DHZ Headset Security Full Duplex Walkie Talkie

Product Details:

Place of Origin:Dongguan, china
Brand Name:TA
Model Number:TA-521-RF

Payment & Shipping Terms:

Minimum Order Quantity:30pcs
Price:Depends on product and order quantity
Packaging Details:Color box or Luxury sport package
Delivery Time:3-5 days by DHL, UPS, Fedex
Payment Terms:T/T, Western Union, Paypal
Supply Ability:200pcs/day
Detailed Product Description


1.Model Number: TA-521

2.Type: Headset

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

4.Frequency Range: 2402~2483MHz

5.Storage Channel: 83channels

6.Talk Range: Over 500m

7.Battery: Rechargeable li-ion

8.Operating power: DC 3.7V

9.Current: 150mA

10.Main function: 4 referees communication

11.Transimit power: 20dBm

12.Received sensibility: -100dBm


2.4G Headset Security Full Duplex Walkie Talkie Wireless For Traffic Police

Instruction :


Power ON/OFF:


1.Power On :Long press the Key "ON/OFF"(Switch Machine) till the LED light become red.

2.Power Off :In standby mode a long press ON / OFF key to eliminate the red light off.


Configure Code :


1. Renyiyitai Machine is in on mode ,Long press ON/OFF key to eliminate the red light off, then long press ON/OFF key till red light twinkle, then is on Configure Code status.           

2. Make the other machine on Configure Code status as Step 1


A.If Configure Code successful within 6 seconds, red light twinkles three times and machine goes to synchronous mode, synchronization ok then come to call status.  

B.If Configure Code failed within 6 seconds, red light twinkles   one time and exits from Configure Code status then return to standby mode.


Low Battery : Power light twinkle if is low voltage when machine is in standby mode, please replace battery.

Applicable Scope:


-Widely Use: Film, Security, Sport, Hospitality, Construction

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 Contact
7) Golf Course intercom
8) Airport personal deployment command
9) Traffic Police on duty communication
10) Police patrol communication
11) Travel, sports, referee use


Call Status:


1. Long press the ON/OFF key to make the machine power on and light becme red then go to synchronous mode. 

2. Make the other machine go to synchronous mode as step 1.

3. A:Enter in to call status if boht machine synchronization ok.

B:If synchronization failed have to redo again till synchronization ok then can enter into call status.

4. Any party shut down the machine or power down will end the call.




Battery: Polymer lithium battery   2000mA/h 3.7V, Charge limit voltage of 5V.

Charger: Input AC voltage 110V ~ 240V, 50/60Hz , Output 5V/1A , pass safety Certification.





1) Wireless frequency 2.4GHz

2) Full-duplex hands-free voice call, voice loud and clear
3) Improved frequency-hopping technology, super error-correcting and anti-jamming capability
4) certification standards RoHS, CE, CCC

5) 83 effective communication channels
6) Portable handset



Packing Info:






L (cm)

W (cm)























 Shell Material:Plastic


2.4DHZ Headset Security Full Duplex Walkie Talkie

2.4DHZ Headset Security Full Duplex Walkie Talkie

2.4DHZ Headset Security Full Duplex Walkie Talkie

2.4DHZ Headset Security Full Duplex Walkie Talkie


Contact Details
TA-RF Security Electronic Technology Co.,Ltd

Contact Person: Mr. Andy Yam



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