1. Using original CH340 chip, hardware full-duplex serial port, built-in transceiver buffer
2. Support communication baud rate 50bps～2Mbps
3. The serial port application program under the Windows operating system on the computer side is fully compatible without modification
4. Built-in 3.3V voltage regulator, the voltage is more accurate
5. Reserve 5V, 3.3V level selection, suitable for different level occasions
6. With three-color indicator lights, power indicator (red light), TX indicator (green light), RX indicator (blue light), the working status is clear at a glance
7. The interface adopts DuPont terminal, which is convenient for debugging and use
8. The whole product is encapsulated by injection molding, which is dust-proof and moisture-proof, and prevents short-circuits from touching the metal.

Applications:
1. Various satellite set-top boxes
2. Router, hard disk, ADSL, broadband modem firmware upgrade or crack upgrade
3. Mobile phone, XBOX360, GPS serial communication, car detection, DVD flashing, etc.
4. Program STC MCU, NXP MCU, Renesas MCU, NEC MCU, etc.
5. Simple serial communication, serial debugging tools commonly used in HyperTerminal
6. USB signal to TTL signal that can be used by electronics enthusiasts