本系列4G/工业通信模块（EC20、This series of 4G/industrial com

This series of 4G/industrial communication modules (EC20, EC200S, M20, EC25, UG96) are specially designed for modem pools, SIM card management devices, and multi-SIM centralized management equipment.

They support simultaneous online status of multiple SIM cards, stable network registration, signal detection, number activation, and batch management.

Widely used in:

Multi-SIM centralized management & number maintenance

IoT terminals, gateways, SMS transceiver equipment

Industrial routers, remote control & data transmission

Security monitoring & wireless data acquisition

Featuring stable signal, strong compatibility, low power consumption, long-term uninterrupted connection, and wide adaptability to various modem pool devices, they are core components for commercial SIM management and IoT communication.