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GSM chipset:MTK 6261
GSM band 2G:GSM 850/900/1800/1900MHz
Device dimension:110*50*18 mm
Device weight:133g
Certification:CE,FCC
Inbuilt rechargeable battery:2000mA
Battery working time:35-40 days
Working Temps:-20～80℃
Working Humidity:5% to 95% nonsolidifying
GPRS:support
Communication:Two-way talk
low-power alert:support
Local siren alarm sound:support
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