Frequently Asked Questions

What is the AllWayTon GRM2820?

The GRM2820 is an 8-watt GSM-R railway communication module manufactured by Beijing AllWayTon Co., Ltd. It features a 48-pin backplane power connector and 12V DC input.

What is the operating temperature range?

The GRM2820 operates from -40°C to +105°C, making it suitable for extreme railway environments.

What interfaces does it have?

It includes a 26-PIN application device connector, 9-PIN RS232 maintenance interface, TNC antenna port, and 4 LED status display.

What standards does it support?

It supports GSM-R bands for multiple countries including China, Europe, India, and Australia, and China Railway CIR 2.0 and 3.0 standards.