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8. Technical Parameters
8.1 Power supply
AC Input voltage:
Power adaptor output:
Backup battery:
Maximum charge current:
DC input voltage range:
Maximum DC current:
8.2 Working environment
Working temperature:
Relative humidity:
Environment noise:
Atmospheric pressure:
8.3 GSM parameters
Frequency bands:
(7 kinds)
Frequency stability:
Receive sensitivity:
Transmit power:
SIM card mode:
Antenna impedance:
8.4. Antenna
Gain: 2.5dBi (omni directional) with 3 M (11.8US in.) wire
5dBi whip antenna is optional
7dBi Yagi antenna is optional
8.5 Color
Blue (default)
Grey / Red (Optional)
160V to 280V
DC7.5V / 1.5A
6V / 4AH Lead-Acid battery
(Optional accessory)
600 mA
7.5V to 10V DC
700 mA (DC7.5V. external charge current)
0 to +45 ℃
10% to 95%
<60dB (A)
86 to 106 KPa
GSM 850MHz, GSM 900MHz, GSM 1800MHz
GSM 1900MHz, GSM 850/1900MHz,
GSM 900/1800MHz, GSM 900/1900MHz
< 2.5 ppm
< -100 dBm
< 2W (850/900 MHz), < 1W (1800/1900 MHz)
3.3 V
50 Ohm
13
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