• Sourcing Solutions
  • Services & Membership
  • Help & Community

Quick Details

  • Place of Origin: Guangdong, China (Mainland)
  • Brand Name: TA
  • Model Number: TA-521
  • Type: Handheld
  • Dimensions: 53(L)*25(W)*106mm(H)
  • Frequency Range: 2402-2483MHZ
  • Storage Channel: 83 CHANNELS
  • Talk Range: 500m in open land
  • Current: Master 152mA, Extension 126mA
  • Key fuction: Full-duplex communication
  • Material: Plastic and metal
  • Color: Black
  • wanrrant: 1year
  • Working temperature: -20℃~+70℃
  • Power: DC 3.7 V~4.2V
  • Battery: Rechargerable lithium battery
  • Range: 500 meters

Packaging & Delivery

Packaging Details One set in a color gift box, 10 boxes in a shipping carton, or pack as requirment.
Delivery Time sample within 1 working days, order within 3~25 working days

Two Way Radio Walkie Talkie For Referee Use



Two Way Radio Walkie TalkieProduct Function Instruction

1. One set consist of 4 radios, 1 master and 3 extensions

2. All 4 persons can talk and hear at the same time

3. No need PTT button push for speaking, just turn on the radio then can work

4. Distance in open area is about 500 meters (master phone to  extension phone is about 250 meters)

5. Operation time is about 6 hours after full charged

6. Good use for the area where need full duplex group communication



Two Way Radio Walkie Talkie Technical Advantage

1. A set consist of one master phone and three extension phones, is easy to operate and safe to us

2. Intelligent chip , super anti jaming ability, powerful software, clear voice transmission

3. Automatic Frequency Hopping technology

4. High privacy, security communication

5. Original independent core technology, technical standards performing higher than other similar products

6. Group voice communication without using any communication network


Two Way Radio Walkie Talkie 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, sportsman training



Two Way Radio Walkie Talkie Technique Specification




Battery capacity



Off status current



Operation current



Operation voltage



Transmitting power



Receiving sensitivity



Operation temperature




Mater to extension is about 250 meters in open area

Operation time

About 6 hours



How to use

1. Turn on all the radios

2. Connect headphone to the radio

3. Talk and hear freely



Accssory list



          Machine (master)


          Machine (extension)




          Lithium battery




           Leather Case&Belt












 Two Way Radio Walkie Talkie  Pictures









Company Advantage

Our company established in 2002,  have been in the wireless technology line for long time,  is in the leading of this line in the world,  provide ODM and OEM service.

Is the original supplier factory for wireless intercom and door phone products in China,  and provide the core techonology components like  Modules, IC,  PCBA,  and so on.

Is the High Technology Company which enjogyed big support from China Goverment,  and every year is honored by new innovation technology , products or projects.

We are the list company in China,  scode code is 430569 .

Transaction History of the Supplier

Below is the information about the supplier's transactions conducted via Alibaba.com. If you require further details regarding the transaction data, please contact the supplier directly.

Transaction Overview


Transaction Details

This supplier has completedtransactions with buyers from .

Shipping Destination
Transaction Value
Transaction Date
Email to this supplier
China (Mainland) | Trading Company
Transaction Level:
Supplier Assessments:
The supplier supports Trade Assurance – A free service that protects your orders from payment to delivery.
Supplier's Trade Assurance Limit: US $28,000
Learn More