1.Brand Name: TA 2.Model Number: TA-521 3.Type: headset 4.Dimensions: L*W*H=28cm*6cm*4cm 5.Frequency Range: 2402~2483MHz 6.Storage Channel: 83channels 7.Talk Range: 500m 8.current: 150mA 9.operating power: DC 3.7V 10.working temp: -40~+70degreesDigital AHF Handheld Two Way Radios Small 83ch For Football Intercom Specifications: Technical Parameters ---- | Master phone | Extension phone | Standby electric current | 150MA | 60MA | Operation electric current | 180MA | 150MA | Operating voltage | 7.2V | 3.7V | Transmitting power | 19 dBm | 19 dBm | Receiving sensitivity | -105dBm | -105dBm | Operation time | 10 hours | 14 hours | Operation temprature | -40C-70C | -40C-70C | Operation distance | 1, Master phone to extension phone is 300m in opend land 2, Extension phone to extension phone is 700m in open land | ---- Micro wireless group radio technical specification 1. A single master and one (or more) extension consists of a set, simple operation. In line with the provisions of the Ministry of information industry. 2. Uses the 2.4GHz public band: 2402~2483.5Mhz. 3. Use adaptive frequency hopping, AHF, With the channel change mechanism 4. Transmit Power: 19dBm, receiver sensitivity-105dBm 5. Sky wireless transfer rate: 2Mbps 6. High AD sampling, 8bit accuracy, 8K sampling rate 7. Frequency range: 300Hz~3.0KHz 8. Micro wireless group radio. A number of group-host, you can cover all group information to other groups from the machine. 9. The main chip high-speed ARM core, for the majority of voice synthesis operations. 10. Communication distance: Open extension 700 meters around the host effectively. 11. Earphone: 2.5 connector ear plugs, ear hook headset. 12. Extension phone: DC 3.7V 2000mAH li-ion battery Master phone: DC 7.2V 1500mAH li-ion battery Description: Advantage: Full-duplex communication. Support 4 person talking in a system at the same time. 300m communication distance in open land Convenient to carry with leather sheath No need to Press To Talk(PTT) 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
