E34-DTU (2G4H27) is a 500mW wireless data transceiver (DTU) with RS232 & RS485 interface, operating at 2400MHz and 8~28V. Utilizing serial port to send & receive data and it is half-duplex, hence lower the threshold for wireless application.

The outstanding advan-tages of this DTU is concentrated power densities, long transmission range, it features automatic frequency hopping, strong anti-interference ability, high speed and short delay.
Automatic frequency hopping is to ensure communication secrecy and anti-interference ability.

Compared with fixed frequency communication, frequency hopping communication is more obscure and difficult to be intercepted. Frequency hopping communication also has a good anti-interference ability, even if there are some frequency points being interfered, it still can communicate on the undisturbed frequency point.