Features Support USB to RS485 bidirectional conversion Fast communication, stable and reliable, better compatibility Onboard TVS (Transient Voltage Suppressor), effectively suppress surge voltage and transient spike voltage in the circuit, lightningproof & anti-electrostatic Onboard resettable fuse and protection diodes, ensures the current/voltage stable outputs, provides over-current/over-voltage proof, improves shock resistance 3 LEDs for indicating the power and transceiver status Support Multi Systems: Linux, Android, WinCE, Win11/10/8.1/8/7/XP, etc. Onboard Original Chips: Onboard original CH343G and SP485EEN chips, providing better stability and compatibility, built-in lightningproof tube, resettable fuse, ESD and TVS protection circuits, etc. Transmission distance up to 1.2km: The USB signal can be converted into a balanced differential RS485 signal and the transmission rate is stable. The reliable speed is 300bps ~ 3Mbps, the transmission distance is about 1.2km for RS485, and about 5 meters for USB. Online Tutorial/How to use Document: n9.cl/pmi4r Package Content USB TO RS485 (B) x1 USB-A male to female cable x1 Screwdriver x1 See more

Operating voltage: 5V Baudrate: 300bps ~ 3Mbps Operating environment Temperature: -15? ~ 70? Humidity :5%RH ~ 95%RH. Multi system Support: Linux, Android, WinCE, Win11/10/8.1/8/7/XP, etc. Working Status Indicators: Onboard 3 LEDs for indicating the power and transceiver status. Transmission distance up to 1.2km: The USB signal can be converted into a balanced differential RS485 signal and the transmission rate is stable. The reliable speed is 300bps ~ 3Mbps, the transmission distance is about 1.2km for RS485, and about 5 meters for USB. Onboard TVS (Transient Voltage Suppressor), effectively suppress surge voltage and transient spike voltage in the circuit, lightningproof & anti-electrostatic. Onboard resettable fuse and protection diodes, ensures the current/voltage stable outputs, provides over-current/over-voltage proof, improves shock resistance. Industrial USB TO RS485 Bidirectional Converter, Onboard original CH343G, Multi-Protection Circuits. Onboard Original Chips:Onboard original CH343G and SP485EEN chips, providing better stability and compatibility, built-in lightningproof tube, resettable fuse, ESD and TVS protection circuits, etc.