The HS-ENG091B RoHS Communication Modules are electronic parts manufactured by Hasion. This device has two communication ports, a serial port and a CAN bus. It includes an opto-isolated digital input, a relay output, a watchdog, a temperature sensor, and a two-way data encryption chip. Its serial port supports a baud rate of up to 115200 and its CAN bus supports a transmission rate of up to 1 Mbps. This device is powered by 5V DC and integrated with ESD protection of at least 8KV. Additionally, the module features communication protocols such as Modbus RTU, CANopen, and CAN-Bus-J1939 as well as industrial standard temperature range. The device is RoHS compliant and compatible with Windows, Linux, and Android operating systems.