User's Manual

Neo_GM650 User Manual V1.0
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3 Block Diagram
4 Character
Table 4-1
General parameters Description
Operating temperature
-30℃～+70℃
Operating voltage
3.5V～4.3V（recommendation 3.9V ）
Operating Current See table 4-2 and 4-3
Storage temperature
-40℃～+80℃
Humidity range
0%～95%
Table 4-2
GSM Specifications Description
Frequency 900/1800/850/1900
Sensitivity
＜ -106dBm
850/900 Class4(2W)
The Maximum transmission
Power
1800/1900 Class1(1W)
Protocol
Compatible with GSM/GPRS Phase2/2+
GSM07.07 AT
Extended command sets
Audio
FR、EFR、HR、AMR voice coding
GSM
Baseband
Controller
PA
Power
Manager
Application Interface
RF
Section
GPS
S
ection
Audio
Section
SIM x
2
UART x 2
I2C
MMC
USB
ADC/PW
LCD
Flash