User's Manual

46
Appendix.Specifications
Table 2 shows the main operational parameters of the A753.
Table 2. Operational parameters
Parameter Min Typical Max Unit
Common
Supply Voltage (internal battery) +5.6 +10 V
Operation Temperature -20 +55 °C
Relative Humidity 10 99 % rH
Class Protection IP65
Data Rate (GSM/GPRS modem - GPRS mode) multislot,
class 10
Receive Mode
Operating Current (including onboard
microcontroller)
32 mA
Receive Mode (GPRS modem)
Sensitivity EGSM 900 / GSM850 -102 dBm
Sensitivity EGSM 1800 / GSM1900 -102 dBm