深圳中數藍鷹科技有限公司——華為2G/3G模塊一級代理商
主營：
GSM/GPRS模塊:MG323，MG323-B,
CDMA模塊:MC323-a,MC323,
TD-SCDMA移動模塊：EM560，MT509
EVDO電信模塊:EM660,MC509-A,MC509轉60PIN,MC509轉PCIE
WCDMA聯通模塊:EM770W,EM820W,MU509-B,MU509-G,MU509-C.MU609,MU733,MU739,MU509轉60PIN,MU509轉PCIE,MU609轉PCIE
EVDO+WCDMA雙模模塊：GOBI3000

Working bands
 TD-SCDMA2100/1900 MHz GSM900/1800 MHz (Data only or

Telematics)

For detailed information about the working bands supported, seeOverview.
 
Working

temperature
 Normalworking temperature: –20°C to +70°C
 
Extreme working temperatures: –30°C to –20°C and +70°C to+75°C
 
Ambient

temperature for

storage
 –40°C to 85°C
 
Power voltage
 3.3–5.5 V (3.8 V is recommended.)
 
AT commands
 See theHUAWEI MT509 LGA Module AT Command Interface

Specification.
 
Applicationinterface (116-

pin LGA
 UART (supporting 8-wire UART)
 
One standard Subscriber Identity Module (SIM) card interface (3 Vor 1.8 V)
 
Audio(OPTION) :
 (only telematics version supports this fun