Key facts
- Brand
- Huawei
- Model
- CM300
- Industry
- Industrial
- Documents
- 4
- Languages
- ZH
- Last added
- 2012-03-09
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Huawei CM300 Series Wireless Fixed Platform User Manual
This manual provides a complete reference design for the Huawei CM300 series wireless module, describing its logical architecture, external interfaces, and key functions. It guides designers in integrating the module into fixed‑platform, PCMCIA, and phone‑type applications.
The document includes sections on product overview, pin definitions, hardware interface descriptions, electrical characteristics, and mechanical specifications, with tables and diagrams to aid implementation. This manual is written in Chinese.
Huawei CM300 specifications
| Air Interface | CDMA2000 1X |
|---|---|
| Wireless Transmission Speed (forward) | 153.6 Kbps |
| Wireless Transmission Speed (reverse) | 153.6 Kbps |
| Voice Codec | 8K EVRC |
| RF Technology | Zero-IF |
| Working Voltage | +3.3V ~ +4.5V |
| Idle Current | 50 mA |
| Sleep Current | <4 mA |
| Busy Mode Current | <600 mA |
| Operating Temperature | -30°C ~ +75°C |
| Dimensions | 48 mm × 35 mm × 3 mm |
All Huawei CM300 documents by type
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
What is the working voltage range of the CM300 AT module?
The module operates from +3.3 V to +4.5 V.
What are the dimensions of the CM300 module?
The module measures 48 mm × 35 mm × 3 mm.
What frequency range should the antenna cover?
The antenna should operate within 824 MHz to 894 MHz.
From: Huawei CM300 Series Wireless Fixed Platform User Manual
What is the recommended operating temperature range for the module?
The module operates from –10 °C to +55 °C.
From: Huawei CM300 Series Wireless Fixed Platform User Manual