5pcs RS 485 Converter Module TTL to RS 485 Adapter for Raspberry pi

Features: 100percent 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