1. Interface compatible: RS232, TTL
2. Material: ABS
3. Transmission mode: asynchronous, full duplex, full transparency
4. Electrostatic protection: about 15KV ESD
5. Scope of application: PC, terminal equipment, industrial control, digital instrument acquisition, multi-serial port equipment, serial interface of single-chip microcomputer, etc.
6. Transmission rate: 300bps-115.2kbps
7. Transmission medium: twisted pair/shielded wire
8. Size: about 6.3 x 3.4 x 1.8mm

Features:
1. 9-pin nickel-plated connector/female, resistant to unplugging, using anti-oxidation material, anti-corrosion
2. TTL wiring port, can use twisted pair/shielded wire, which is more convenient to connect/disassemble
3. Environmental protection material, safe to use
4. Built-in fast transient voltage suppression protector TVS
5. Compatible with RS232 TIA/EIA standard and level data interface, can convert RS232 serial interface data transmission (TXD) and data reception (RXD) signals to TTL/COMS compatible level, TTL level supports two standard interfaces Level 5.0V and 3.3V
6. Charge pump drive technology, no external power supply required, using RS232 charge pump drive, the transmission rate can reach 300bps-115.2kbps
7. Built-in zero-delay automatic transceiver conversion device
8. The I/O circuit automatically controls the direction of data flow