1. Interface compatible: RS485/RS232C standard
2. Material: ABS
3. Working mode: asynchronous half-duplex differential transmission
4. Protection level: 600W lightning surge protection per line, about 15KV electrostatic protection
5. Transmission distance: RS-485 is less than 1200m, RS-232 is within 15m
6. Transmission rate: 300-115.2kbps
7. Communication mode: point-to-point/two-wire half-duplex, point-to-multipoint/two-wire half-duplex
8. Size: about 6.4 x 3.3 x 1.7mm

Features:
1. Built-in TVS fuse diode, support RS485/RS232 protocol equipment remote transmission
2. Driven by RS232 charge pump, no external power supply required
3. The I/O circuit automatically controls the data flow direction
4. Built-in zero-delay automatic transceiver conversion device, data transmission without delay
5. Multiple protections, safer to use, 600W surge protection power per line, about 15KV electrostatic protection
6. Asynchronous half-duplex differential transmission, two communication methods, stable transmission, convenient and fast