This is a user manual for Huawei EC305/325/355 Data Modem, which mainly introduces the product's usage methods, features and other information.
This manual introduces the Huawei EC305/325/355 Data Modem, describing its packaging contents, required computer configuration, and step‑by‑step installation procedures for Windows and Macintosh systems. It also explains how to connect to the Internet, make and receive calls, send and receive SMS, and manage call records and PC fax functions.
Safety guidelines are provided to ensure proper use of the wireless device, including restrictions on use in vehicles, aircraft, medical environments, and near strong electromagnetic fields. The document also details the approved accessories, electromagnetic exposure limits, and SAR values for the device. This manual is written in Chinese.
| Maximum SAR value | 0.169 W/kg (10 g average) |
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The package contains an EC325 Data Modem, a pair of earphones, a CD with the user manual and installation program, a warranty card, and a quick‑start guide.
Only earphones approved by the data‑card manufacturer should be used; using incorrect models may cause device failure.