The G590E mobile communication terminal from Zhuhai Zhonghui Microelectronics is a dual‑band GSM/GPRS module with detailed specifications, pinout and…
The G590E is a dual‑band GSM900 MHz and DCS1800 MHz wireless communication module designed for M2M applications such as smart metering, wireless POS, security monitoring and remote data processing. It supports the standard AT command set, an integrated TCP/IP stack, and offers a compact SMD package.
Key specifications include a working voltage of 3.4 V‑4.2 V (recommended 3.8 V), operating temperature from –40 °C to +80 °C (extreme –45 °C to +85 °C), dimensions of 28.7 × 22.1 × 3.2 mm, weight of 5 g, and transmit power of 2 W (Class 4) at EGSM900 and 1 W (Class 1) at DCS1800. The document provides pin definitions, RF connector options, and a block diagram of the module. This manual is written in Chinese.
| Working voltage | 3.4 V – 4.2 V (recommended 3.8 V) |
|---|---|
| Operating temperature (normal) | -40 °C to +80 °C |
| Operating temperature (extreme) | -45 °C to +85 °C |
| Dimensions (L×W×H) | 28.7 mm × 22.1 mm × 3.2 mm |
| Transmit power (EGSM900) | 2 W (Class 4) |
| Transmit power (DCS1800) | 1 W (Class 1) |
It operates on dual‑band GSM900 MHz and DCS1800 MHz.
The module can transmit up to 2 W (Class 4) on EGSM900.
Normal operation is from –40 °C to +80 °C, with extreme limits of –45 °C to +85 °C.