1、5V Power Supply: TTL turn to RS485 module is powered by 5V, and TTL transceiver interface is compatible with 3.3V and 5.0V levels. 2、Industrial Design: TTL turn to RS485 module adopts industrial design, with stable and reliable performance, and the highest signal transmission rate is 500Kbps. 3、Multiple Protection: RS485 module has multiple protection measures, plus or minus 15KV ESD protection, 600W dual TVS protection, and 10ω current protection resistor. 4、Multi Machine Communication: TTL turn to RS485 module supports multi machine communication, and a maximum of 128 devices can be connected to the bus. 5、Superior Performance: TTL turn RS485 module supports hot plug, with strong driving ability, and the longest transmission distance is 1200m/3937.0ft. 6、Strong Signal: TTL turn RS485 module adopts all single sided wiring to ensure signal quality and improve signal integrity. Meanwhile, copper is laid in a large area to prevent TTL Turn to RS485 Module signal interference. 7、Easy Installation: TTL to RS485 module has wiring terminal and welding lead hole, which is convenient for users to use; With 3 mm/0.12 inch screw holes, easy to install.