Features 1、100% brand new and high quality. 2、 Integrated MAX485 chip, low power transceiver for RS-485 communication module. 3、Integrated 5.08 mm spacing 2p terminal, convenience of RS-485 communication connection. 4、 There are all chip pins, can be controlled and operated by MCU. 5、It is designed for half-duplex applications. Specification Features: 100% brand new and high quality. Integrated MAX485 chip, low power transceiver for RS-485 communication module. Integrated 5.08 mm spacing 2p terminal, convenience of RS-485 communication connection. There are all chip pins, can be controlled and operated by MCU. It is designed for half-duplex applications. Specification: Chip: MAX485 Type: TTL to RS-485 Size: 4.3*1.4cm / 1.7*0.5in Weight: 23g / 0.8oz (approx.) Package list: 1 * Module Package List