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MT509
(TD+HSDPA雙模)
Working bands
TD-SCDMA2100/1900 MHz GSM900/1800 MHz (Data only or Telematics)
For detailed information about the working bands supported, seeOverview.
Working
temperature
Normal working 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 the HUAWEI 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 function)
For detailed information about the working bands supported, seeOverview.
2×Micphone in/1×Handset out/1×Speaker out/1×PCM
SMS
Management of text messages: read messages, delete messages,
storage status, and message list