Quanzhou TESUNHO Electronics Co.,Ltd
Tel:86 595 2208 2266
Fax:86 595 2208 2266
From the way of use, it can be divided into handheld, vehicle, ship, stationary, relay.
Handheld wireless walkie talkie
This is a small volume, light weight, small power wireless radio interphone, suitable for hand-held or bagged, easy to carry personal, can carry on communication in the line, the power of the general VHF frequency band not more than 5W, UHF band not more than 4W. The communication distance can generally reach 5 km in the open area without barrier. The machine is suitable for communication between mobile people in various situations at close range. In the series of wireless phones, the number and variety of handheld radio interphone are the largest, accounting for more than 80%.
Car (ship, machine) radio radio interphone
This is a kind of radio interphone which can be installed in vehicles, ships, aircraft and other vehicles directly from the vehicle, and uses the radio interphone on the antenna on the ship and machine. It is mainly used for transportation, production scheduling, security command and so on. Its volume is large, the power is not less than 10W, generally 25W. The maximum power is VHF, 56W and UHF are 50 W, and the communication distance can reach more than 20 kilometers.
The relay station transmits the signal received by a certain band directly through its own transmitter at other frequencies. These two sets of different frequency signals do not affect each other, or they can allow two groups of users to communicate at different frequencies. It has the characteristics of full duplex work, which both send and receive at the same time work without interfering with each other.