Huawei EM770 - Preparing the EM770

HUAWEI EM770 HSPA PC Embedded Module V100R001
Product Specification
Issue 1
(2008-09-15)
Huawei Confidential: This documents is Huawei Proprietary and Confidential(NDA
Required).It may not be duplicated, neither distributed externally without
prior and written permission of Huawei.
Page
5 of 68
Contents
1 Overview.........................................................................................................................7
1.1 Introduction.................................................................................................................................7
1.2 Key Features...............................................................................................................................8
1.3 Hardware Overview.....................................................................................................................9
1.3.1 Hardware Logic Block Diagram...........................................................................................9
1.3.2 External Hardware Interfaces............................................................................................10
1.4 Software Overview....................................................................................................................12
2 Mechanical Specifications...........................................................................................14
2.1 Dimensions and interfaces.........................................................................................................14
2.1.1 Dimensions and interfaces of the EM770..........................................................................14
2.1.2 Dimensions of the Mini PCI Express Connector.................................................................15
2.1.3 Dimensions of the Antenna Connector...............................................................................16
2.2 Reliability...................................................................................................................................18
2.3 Temperature..............................................................................................................................18
3 Electrical Specifications..............................................................................................19
3.1 Mini PCI Express Pin Definition.................................................................................................19
3.2 Pin Descriptions........................................................................................................................22
3.2.1 Digital Signal DC Characteristics.......................................................................................22
3.2.2 Power Sources and Grounds............................................................................................23
3.2.3 USB Signals......................................................................................................................23
3.2.4 USIM Signals....................................................................................................................23
3.2.5 W_DISABLE# Signal.........................................................................................................26
3.2.6 LED_WWAN# Signal.........................................................................................................27
3.2.7 PERST# Signal.................................................................................................................28
3.2.8 NC Pins............................................................................................................................29
3.3 Power Supply and Consumption................................................................................................29
4 RF Specifications.........................................................................................................32
4.1 Operating Frequencies..............................................................................................................32
4.2 Conducted Rx sensitivity and Tx power.....................................................................................32
4.3 Antenna Design Requirements..................................................................................................33
4.3.1 Recommended Index of the Module Antennas...................................................................33
4.3.2 Design Recommendations................................................................................................34
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