POWER DRAW
Conduit
®
Hardware Guide
15
Chapter 3 – Power Draw
MTCDT-H5-246 with Modem and No Accessory Cards Power Draw
Radio Protocol
Idle Cellular
Connection no
data (Amps)
Average Tx
Current at Max
Power passing
data (Amps)
Peak Tx Current
(Amps)
1
Total Inrush
Charge (mC)
2
Total Inrush
Charge Duration
(mS)
9.0 Volts
GSM 850 MHz
0.182
0.342
1.12 (pulse avg.)
5.18
9.60
HSDPA
0.208
0.472
0.548
5.18
9.60
12.0 Volts
GSM 850 MHz
0.148
0.268
0.826
4.59
8.58
HSDPA
0.151
0.391
0.460
4.59
8.58
24.0 volts
GSM 850 MHz
0.099
0.161
0.455
3.68
17.55
HSDPA
0.101
0.214
0.288
3.68
17.55
1
Peak Tx Current
: The average peak current during a GSM850 transmission burst period or HSDPA connection. The
transmission burst duration for GSM850 can vary, depending on what transmission scheme is being deployed
(GPRS Class 8, Class 10, GSM, etc.).
2
Total Inrush Charge
: The total inrush charge at power on expressed in Millicoulombs (mC).
Note:
Multi-Tech Systems, Inc. recommends that you incorporate a 10% buffer into the power source when
determining product load.
MTCDT-LEU1-246 with Modem and No Accessory Cards
Radio Protocol
Idle Cellular
Connection no
data (Amps)
Average Tx
Current at Max
Power Passing
Data (Amps)
1
Peak Tx Current
(Amps)
2
Total Inrush
Charge (mC)
3
Total Inrush
Charge Duration
(mS)
9.0 Volts
EGSM 900 MHz
0.178
0.363
1.10
4.87
9.7
LTE
0.192
0.552
0.632
4.87
9.7
12.0 Volts
EGSM 900 MHz
0.140
0.290
0.835
4.2
8.5
LTE
0.151
0.440
0.512
4.2
8.5
24.0 Volts
EGSM 900 MHz
0.093
0.170
0.441
3.65
17.9
