User Manual

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LED
Color
Behavior
Function
(4 LEDs)
Off
Not active.
Serial
(2 LEDs)
Green
Transmitting or receiving data.
Off
Not active.
LTE
(1 LED)
Green
LTE is connected.
Green
Blinking at 0.5-sec
intervals
UMTS/HSPA/GSM/GPRS/EDGE is
connected.
Off
No cellular connection.
Signal (3
LEDs)
Green
Signal
Strength*
Cellular
RSSI
RSSI Range
(dBm)
Comment
1-2 0 < SNR
≤ 12
113 < RSSI ≤
-89
Marginal
3-4 12 < SNR
≤ 21
-89 < RSSI ≤
-73
Good
5-6 22 < SNR
≤ 31
-73 < RSSI ≤
-51
Excellent
*Each signal LED is equivalent to a signal strength of 2 levels.
NOTE
The LTE LED is designated for the cellular connectivity standard
and the SIGNAL LED indicates the cellular signal strength.
Specifications
Input Current
0.8 A (max.)
Input Voltage
9 to 36 VDC
Power Consumption
5 W (typ.)
Operating
Temperature
Standard Models: 0 to 55°C (32 to 131°F)
Wide Temp. Models: -30 to 70°C (-22 to 158°F)
Storage
Temperature
-40 to 85°C (-40 to 185°F)
3120-LTE-1 is NOT a portable mobile device and
20 cm away from the human body.
3120-LTE-1 is NOT designed for the general pu
-trained technician is required to deploy the OnCell 3120-
-band (2G/3G/4G) antennas are needed when the OnCell
-LTE-1 operates. Make sure that your antenna installation
lightning