general features 
dual-band egsm900 and gsmm1800 
compliant to gsm phase 2/2+ 
output power:
– class 4 (2 w) for egsm900
– class 1 (1 w) for gsm1800 
control via at commands 
sim application toolkit 
multiplex serial interface 
supply voltage range 3.3 ... 4.8 v 
power save mode 
power consumption:
– power down 50 μa
– sleep mode (registered drx = 6) 3.0 ma
– speech mode (average) 300 ma
– gprsclass 10 (average) 590 ma 
ambient temperature: –20 °c ... +55 °c 
automatic switch-off at – 25 °c and + 70 °c 
specifications for fax 
group 3, class 1, 2
specifications for data transfer 
gprs class 10 (21.4 kbps
uplink/85.6 kbps downlink or
42.8 kbps uplink/64.2 kbps
downlink)
full pbcch support 
ms class b 
coding scheme cs 1, 2, 3, 4 
csd up to 14.4 kbps 
ussd 
non transparent mode 
v.110
specifications for sms 
point-to-point mo and mt 
sms cell broadcast 
text and pdu mode
specifications for audio 
half rate (hr) 
full rate (fr) 
enhanced full rate (efr) 
basic hands-free operation – echo cancellation
– noise reduction
additional features 
phone book 
multiparty call 
call diverting 
real-time clock 
alarm management 
several ringing tones 
dtmf
interfaces 
40-pin zif connector:
– power supply
– sim 3 v
– serial interface with itu-t v.24 protocol
– 2 analog audio interfaces 
50 ω gsc rf connector

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深圳安远通电子有限公司
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