57
Technical Properties
Frequency band
GSM: 850 / 900 / 1,800 / 1,900 MHz
Bluetooth: 2,402 - 2,480 GHz
Sending power
(max.)
GSM: 1.58 W
Bluetooth: 2.51 mW
Power supply
Input: 100 - 240 V, 50 - 60 Hz, 0.5 A
Output: 5 V, 500 mAh
Battery
3.7 V, 600 mAh, up to 350 hours standby,
up to 6 hours talk time, max. charging time
approx. 2 h
Display
1.77″ LCD with back-lighting
Dimensions
Approx. 118 x 54 x 10.8 mm
Weight
Approx. 68 g incl. battery
Ambient conditions
-10 °C to 45 °C at 30% to 75% humidity
Connections
MicroUSB, 3.5 mm jack socket