RS232 Isolated Long Distance Communication Repeater(BUE-232-RP)
Introduction:
The BUE-232-RP is converter long distance RS-232 signal with isolation and anti-jamming. It is used in pairs and no need external power, full-duplex working. 
Features: 
15Kv static protecting and 600W/ms lightning protecting 
Particular protecting circuit for the serial port, plus-and-play supported; 
Particular technique of serial port power getting of 95% high efficiency; 
TX, RX, GND 3 lines signals isolation, current loop transmission 
Particular protecting circuit for the serial port 
Industry level design, excellent import element chosen, 
Specification 
Power Supply Port powered, no need external power supply 
Working Current < 10mA 
Baud Rate 300~28, 800bps 
Communication distance Max. 3km 
Isolation voltage 2500V 
Protect voltage 7~8V 
Protect capability 600W/ms 
Static protect voltage 15KV 
Working temperature -40C~85C 
Weight 36g(Include the terminal block) 
Dimension 87mm× 33mm× 17mm(Include the terminal block)