Users Manual Part 1
FOX3-2G/3G/4G HARDWARE MANUAL VERSION 2.2.5
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Page 19 of 48
5.1.1. Power consumption for FOX3-2G/3G/4G
All measurements have been performed with T
amb
= 23°C, V
IN+
= 12 V DC; FOX3: DCS 1800 MHz, Power Level 10, Cell
Power -75dBm; FOX3-3G: UMTS 2100 Mhz;
Modes
Average power consumption @ +12 V
Comments
FOX3-2G
FOX3-3G
FOX3-4G
Unit
Max. > 1 > 1 >1 A
In a transmit burst the current
consumption can rise to typical peaks of
1A
CPU on / GPS on / GSM off
38
41
61
mA
GPS-fix valid.
CPU on / GPS off / GSM on 40 49 58 mA
GSM idle (registered) and GPRS
detached.
CPU on / GPS on / GSM on
49 48 74 mA
Power mode = disable, GPS fix valid,
GPRS and TCP connected.
26 30 - mA
Power mode = auto, GPS fix valid, GPRS
and TCP connected.
13 25 - mA
Power mode = doze, GPS fix valid, GPRS
and TCP connected.
Transmit Data
120
132
230
mA
Sending data over TCP
Table 3: Current consumption at 12 VDC
All measurements have been performedwith T
amb
= 23°C, V
IN+
= 24 V DC; FOX3: DCS 1800 MHz, Power Level 10, Cell
Power -75dBm; FOX3-3G: UMTS 2100 Mhz;
Modes
Average power consumption @ +24 V
Comments
FOX3-2G
FOX3-3G
FOX3-3G
Unit
Power mode = disabled
Transmit Data
60
68
94
mA
Sending data over TCP
CPU on / GSM on /GPS on
- - 38
mA
Microcontroller is ON, GPS fix
valid, GPRS and TCP connected.
Power mode = Auto
CPU on / GSM on /GPS on
33
18
-
mA
Microcontroller is ON, GPS fix
valid, GPRS and TCP connected.
CPU on / GSM on /GPS off
25
12
-
mA
Microcontroller is ON, GPRS and
TCP connected.
Power mode = Doze
CPU on / GSM on /GPS on
15 18 - mA Microcontroller is ON, GPRS and
TCP connected.
CPU on / GSM on /GPS off
7
16
-
mA
Microcontroller is ON, GPRS and
TCP connected.
Table 3.1: Current consumption at 24 VDC
Sleep Modes
Average current consumption in sleep mode @ 12 V (external power)
Unit
FOX3-2G
FOX3-3G
FOX3-4G
IGN
< 1
< 1
< 1
mA
IGN+Ring 12 13 14 mA
IGN+Timer 1.5 2 3 mA
IGN+GPS 5 13 14 mA
Table 3.2: Power supply and current consumption for different sleep modes.