Neo_M660A GPRS Module Hardware User Guide
Copyright © Neoway Technology Co., Ltd
2
VBAT
VRTC
Digital
Interface
U
S
B
S
IM
U
A
R
T
ON/OFF
Power
Manager
RF transceiver
FLASH
Digital
Baseband
Analog
Baseband
26 MHz Crystal
RF Front-end-module
Audio
Interface
M
IC
SIM
PC
A
D
C
R
E
C
1.3
Specifications
Table 1-1
M660A specifications
Specifications
Description
Band
GSM850/EGSM900/DCS1800/PCS1900 MHz dual-band/quad-band
Supporting band locking
Sensitivity
< -107 dBm
Max. transmit power
GSM850/EGSM900 Class4(2W)
DCS1800/PCS1900 Class1(1W)
Protocol
Supporting GSM/GPRS Phase 2/2+
AT
GSM07.07
Extended AT commands
Audio
Supporting the following audio coding:
HR
FR
EFR
AMR