TTL to RS485 converter wide operating voltage range is DC 3.0V-30V. 3.3V & 5V Signal: 3.3v with 5.0v power supply perfectly compatible; 3.3V with 5.0V signal perfectly compatible.
TXD & RXD Indicator: the TTL to RS485 Adapter is designed with Transmit Data indicator light and Receive Data indicator light, convenient for your monitoring.
Long Transmission Distance: transmission distance can be up to kilometres (test with 850 meters of 2 * 1.5 cable, it is recommended to use within 800 meters, more than 800 meters please add repeaters).
Special Function: the 485 bus is with lightning protection and anti-jamming function, with high EMC, EMI performance.