specifications:
• Network: GSM/GPRS
• GSM/GPRS module: MTK
• Band: 2G 850/900/1800/1900 MHz
• Communication protocol: TCP
• GPS chip: NXP
• Size: 90 x 74 x 25 mm (3.54 x 2.91 x 0.98 in)
• GPS accuracy: 5 – 50 meters
• Time to first fix: Cold status 45s, hot status 1s
• Car charger: 12 – 24 V (input), 5 V (output)
• Wall charger: 110 – 220 V (input), 5 V (output)
• Weight: 168 grams
• Storage temperature :-40° to 85°C (-40° to 185°F)
• Operation temperature: -20° to 55°C (-4° to 131°F)
• Humidity: 5%--95% (non-condensing)
