User's Manual
Neo_GM650 User Manual V1.0
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TEXT/PDU
SMS
Point to point/cell broadcast
Grouped Data
GPRS CLASS 12
Coding scheme CS1~CS4
Mobile Station type Class B
Support CSD data service Circuit Switched Data
Support USSD
Call forward(CFB,CFNA,CFU)
Call waiting
Supplement Service
Threeway calling
Main Processor ARM7-EJ@104MHz, 32Mbits SRAM,32~64Mbits Nor
Flash
Reserved software
resource
16Mbits RAM,16~32Mbits Flash
Reserved software
resource
UART x 2,I2C,LCD(SPI),MMC,USB,ADC,PWM,
GPIO x 20,Keypad
Instantaneous Current Max 1.8A
Average working Current
< 300mA
Standby Current 2.5mA typ.
Table 4-3
GPS Specifications Description
GPS C/A coding 1.023 MHz chip rate
GPS Channel 48 channels tracking
GPS Sensitivity -162dBm
Position Accuracy 10m
Speed Accuracy
0.01 m/s
Time Accuracy
Synchro with GPS Satellite time(<60ns)
Time of hot start <1s
Time of warm start <35s
Time of cold start <35s
Time of recapture <0.1s