AW-GCR GSM signal strength detector is a device for measuring GSM signal strength, which can be used for GSM wireless network engineering design, debugging and maintenance.
The AW-GCR is a GSM wireless communication module designed for alarm control systems. It supports GSM 900/1800 MHz, offers multiple LED status indicators, and can switch automatically between telephone line and GSM modes when a line fault is detected.
The manual covers pre‑installation checks, wiring diagrams, power requirements, antenna and SIM installation, LED functions, SMS configuration, and technical specifications. It also includes troubleshooting tips and fault‑reporting via SMS. This manual is written in Chinese.
| Maximum transmit power | 2 W @900 MHz, 1 W @1.8 GHz |
|---|---|
| Operating temperature | -25 °C to 55 °C |
| Frequency bands | GSM 900/1800 MHz |
| Receiver sensitivity | < -102 dBm |
| Dimensions | 189 × 110 × 26 mm |
| Antenna connector | SMA female |
The module has eight LEDs that indicate GSM network status, signal strength, telephone line status, and module operation.
The module can transmit up to 2 W at 900 MHz.