EM770W UMTS M2M Wireless Module Product Description, mainly introduces the appearance, functional overview, application framework, abbreviation, interface description, interface electrical characteristics and other content
This manual introduces the Huawei EM770W UMTS M2M wireless module, covering its hardware revisions, key features, and contact information for support. It includes version details, release date, and references to the module's technical documentation.
The document provides detailed hardware information such as LED indicators, reset procedures, UART interfaces, SIM card handling, and Mini PCI‑Express connections. A pin‑numbering reference is given, showing odd pins on the top side and even pins on the bottom side of the board.