EnM0148 RS485 to TTL Bilateral Module UART Port Serial Converter Module 3.3/5V.

1. Compatible with 3.3V and 5.0V power supply.

2. Compatible with 3.3V and 5.0V signal.

3rd chip: Maxim integrated MAX485.

4. Working temperature from -40 Celsius to + 85 Celsius transmission distance up to 1 kilometer

Repeaters are needed after 800m of distance.

5. Semi-hole pads, onboard module, thin PCB, having a thickness of 0.8mm.

6. Has RXD, TXD signal indicator light, monitor send and receive status. Size: 42.8mm * 15.22mm * 0.8mm.