HUAWEI EM820W HSPA+ PC Embedded Module
Hardware Guide
Tables
Issue 01 (2010-12-09)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
iii
Tables
Table 2-1
Feature
................................................................................................................................ 2
Table 3-1
Pin definitions of the Mini PCI-E Interface
..................................................................... 5
Table 3-2
Power and ground specifications
.................................................................................... 8
Table 3-3
USB pins
............................................................................................................................. 9
Table 3-4
USB signal DC characteristics
........................................................................................ 9
Table 3-5
USIM pins
......................................................................................................................... 10
Table 3-6
SIM RST requirements
................................................................................................... 12
Table 3-7
SIM CLK requirements
................................................................................................... 12
Table 3-8
SIM IO requirements
....................................................................................................... 13
Table 3-9
W_DISABLE_N signal
.................................................................................................... 14
Table 3-10
Radio operational states
.............................................................................................. 14
Table 3-11
LED_WWAN signal
....................................................................................................... 15
Table 4-1
RF bands
.......................................................................................................................... 17
Table 4-2
EM820W conducted Rx sensitivity (unit: dBm)
........................................................... 18
Table 4-3
EM820W conducted Tx power (unit: dBm)
.................................................................. 19
Table 4-4
Isolation between the master antenna and the Wi-Fi antenna
................................. 20
Table 4-5
GSM/WCDMA antenna requirements
.......................................................................... 23
Table 5-1
Working and storage temperatures and humidity for the EM820W module
.......... 29
Table 5-2
Electrical features of application interfaces
................................................................. 29
Table 5-3
Power requirements
........................................................................................................ 30
Table 5-4
DC power consumption (HSPA/WCDMA)
................................................................... 30
Table 5-5
DC power consumption (GSM/GPRS/EDGE)
............................................................ 32
Table 5-6
DC power consumption(Idle and Suspend)
................................................................ 33
Table 5-7
Test conditions and results of the mechanical reliability of the EM820W module
. 34
