Specifications
PART 2 – Cellular SocketModems Chapter 8 – SocketModemCell & iCell EV-DO (EV1)
Multi-Tech Systems, Inc. Universal Socket Hardware Guide for Developers (S000342P) 129
Power Measurements
Power Draw* for the MTSMC-EV1-U
Input Voltage = 5.0
Volts
Sleep
Mode
Typical Maximum
1
Peak Tx
2
In-Rush
Current
CDMA2000
Current (AMPS, US
Cellular 800 MHz)
0.070 0.215 0.700 0.925
Watts
0.346
1.05
3.35
Current (AMPS, US
PCS 1900 MHz)
0.070 0.260 0.715 0.975
Watts
0.346 1.27 3.42
In-Rush Current (AMPS) at Reset or power on. (Approx. 3ms duration)
1.90
Power Draw* for the MTSMC-EV1-IP
Input Voltage = 5.0
Volts
Sleep
Mode
Typical Maximum
1
Peak Tx
2
In-Rush
Current
CDMA2000
Current (AMPS, US
Cellular 800 MHz)
0.100 0.245 0.735 0.975
Watts
0.495 1.21 3.52
Current (AMPS, US
PCS 1900 MHz)
0.100 0.295 0.750 0.975
Watts
0.495 1.45 3.57
In-Rush Current (AMPS) at Reset or power on. (Approx. 3ms duration)
2.98
Power Draw* for the MTSMC-EV1-MI-IP
Input Voltage = 5.0
Volts
Sleep
Mode
Typical Maximum
1
Peak Tx
2
In-Rush
Current
CDMA2000
Current (AMPS, US
Cellular 800 MHz)
0.174 0.325 0.815 1.080
Watts
0.861 1.60 3.86
Current (AMPS, US
PCS 1900 MHz)
0.174 0.380 0.860 1.150
Watts
0.861 1.87 4.06
In-Rush Current (AMPS) at Reset or power on. (Approx. 3ms duration)
2.88
* Multi-Tech Systems, Inc. recommends that the customer incorporate a 10% buffer into their power source when
determining product load.
1
Maximum: The current during maximum data rate with the radio transmitter at maximum power.
2
Peak Tx: The peak current during CDMA transmission period.