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华为近期推出的一款性价比超高的3G WCDMA模块MU709s-2, 下行速率达到21MHZ，可以替代EM770W，MU509和MU609，可联系卖家，索取相关技术资料。

HUAWEI MU709s-2 HSPA+ Mini PCIe Module

Feature Description

PhysicalDimensions

Dimensions (L × W × H): 51 mm × 30.4 mm × 3.3 mm

Weight: about 12 g

OperatingTemperature–40°C to +70°C

StorageTemperature–40°C to +85°C

PowerVoltage

DC 3.0 V–3.6 V (typical value is 3.3 V)

ApplicationInterface

(52-pin MiniPCIe interface

One standard USIM

Audio interface: PCM interface

USB 2.0 (High Speed)

UART(2-wire, up to 920kbps)

RESIN_N: Reset module

WAKE#: Wake up signal

W_DISABLE# Signal (the software version is planning)

LED_WWAN#: Active-low LED signal indicating the state of themodule

Antennaconnector

WWAN MAIN antenna connector x1WWAN AUX antenna connector x1