Feature Description
Physical
Dimensions  Dimensions (L × W × H): 30 mm × 30 mm × 2.27 mm
 Weight: about 5 g
Operating
Bands WCDMA/HSDPA/HSUPA/HSPA+: 900 MHz/2100 MHz
GSM/GPRS/EDGE: 850 MHz/900 MHz/1800 MHz/1900 MHz
Operating
Temperature Normal operating temperature: –20°C to +70°C
Extended operating temperature[1]: –40°C to +85°C
Storage
Temperature –40°C to +85°C
Power
Voltage DC 3.3 V–4.2 V (typical value is 3.8 V)
AT
Commands See the HUAWEI MU709 Series HSPA+ LGA Module AT
Command Interface Specification.
One standard USIM card (Class B and Class C)
Audio interface: PCM interface
USB 2.0 (High Speed)
8-wire UART (Universal Asynchronous Receiver-Transmitter) x 1,
up to 920 kbps
2-wire UART x 1 (this is only used for deb ing)
GPIO (General-purpose I/O) x 5
LED (Light-Emitting Diode) x 1
Power on/off interface
Hardware reset interface
JTAG (Joint Test Action Group) interface
Sleep indicator interface (SLEEP_STATUS)
WAKEUP_IN: Sleep authorization signal
WAKEUP_OUT: Module to wake up the host
Antenna
Interface WWAN MAIN antenna pad x1, WWAN AUX antenna pad x 1
SMS New message alert
Management of SMS: read SMS, write SMS, send SMS, delete
SMS and list SMS
Supports MO and MT: Point-to-point
Data Services GPRS: UL 85.6 kbps/DL 85.6 kbps
WCDMA PS: UL 384 kbps/DL 384 kbps
HSPA+: UL 5.76 Mbps/DL 21.6 Mbps