The TD301D232H with Communication Modules DIP-7 RoHS manufactured by MORNSUN is a compact, low power, surface mounted isolated RS-232 transceiver module. This module offers three communication modes, asynchronous full-duplex, asynchronous half-duplex, and synchronous half-duplex. The module's working frequency range is 0~81.92K and the maximum transmission speed is up to 32kbps. The ESD Protection level for all I/O ports meets the IEC61000-4 static protection specs. The module is RoHS compliant and specially designed for applications in industrial control systems.