A member of the Olancha Group Ltd
Registered in England No. 08405712
VAT Registration No. GB163 04 0349
Siretta Ltd
Basingstoke Road
Spencers Wood
Reading
Berkshire RG7 1PW
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39
ZETA Series
GPRS/UMTS/LTE Terminal with GPIO
Current Consumption
The measurement was taken with 2 Voltages (5V, 12V).
The modem was connected via RS232 to a PC in order to send/receive AT
commands. The temperature was maintained in a temperature chamber. The voice
call with power level 5 in GSM 900 was established with a GSM signal generator test
set.
5V
12V
Modem switched off
0.01 mA
0.67 mA
On, network connection (Idle mode)
71 mA
25 mA
On, network connection voice call (power level 5) GSM 900
235 mA
98 mA
Table 15.
ZETA modem current consumption
Function
State
Current
Modem on (Not registered)
Idle
39mA
Modem on (Registered)
Idle
36mA
Modem on (Registered with IP address)
Idle
40mA
Modem on (Registered with socket connected)
Idle
41mA
Modem On (Registered with socket connected) - Peak
Transmitting
109mA
Modem on (Registered with socket connected) - Average
Transmitting
98mA
Table 16.
ZETA module current consumption
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