CH340E
Full speed USB device interface, compatible with USB 2.0.
Support communication baud rate 50bps~2Mbps.
RS485
Maximum rate of 2Mbps, 5V level, 1kΩ pull-down + pull-down and 120Ω terminal matching resistor can be set
Connector
3.81mm 1x3P 15EDGK-3.81-3P