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 wireless standards does the Huawei CM300 series AT module support?
It supports CDMA2000 1X with IS95 A/B and IS-2000 protocols.
What is the data transmission speed of the module?
It provides 153.6kbps full-duplex data transmission.
What is the operating voltage range of the module?
The operating voltage range is +3.3V to +4.5V.
What is the maximum data rate supported?
The maximum data rate is 153.6kbps for both forward and reverse channels.