The Huawei EM200 CDMA module product description provides an overview, interface specifications, mechanical dimensions, and electrical characteristics.
This document presents a comprehensive description of the Huawei EM200 CDMA 1X module, covering its functional overview, block diagram, and key terminology. It details the module's intended applications and the various interfaces it supports, such as UART, RUIM card, audio, power, USB, RTC, and LPG.
The manual also includes extensive technical specifications, including electrical characteristics, mechanical dimensions, antenna interfaces, and reliability parameters. Tables and diagrams illustrate pin assignments, connector types, and recommended circuit designs for proper integration of the module into end‑product designs. This manual is written in Chinese.
| Working frequency band | CDMA 800 MHz |
|---|---|
| Maximum transmit power | 0.25 W |
| Receive sensitivity | <‑106 dBm |
| Normal operating temperature | -20 °C to 70 °C |
| Extended operating temperature | -30 °C to -20 °C and 70 °C to 75 °C |
| Power supply voltage | 3.3 V to 4.2 V (recommended 3.6 V) |
| Standby current | < 2 mA |
| Voice mode current | 240 mA |
| Data mode current | 400 mA |
| Physical dimensions | 37.7 mm × 3.85 mm |
The EM200 module can transmit up to 0.25 W.