Doc. No: Unex-QSG-21-002
9/21
A printed version of this document is an uncontrolled copy
© 2023 Unex Technology Corporation – Company Confidential
7.2.
Recommended Operating Conditions
Over operating free-air temperature range (unless otherwise noted).
Table 2. Recommended operating conditions
Parameters
Conditions
Min.
Typ. Max. Unit
Ta (Ambient operating temperature)
Free-air temp.
-40
25
85
*1
°C
Supply voltage
PoE
*2
36
48
57
V
V2X antenna gain
5850-5925MHz
-
-
7.6
dBi
V2X sensitivity
PER
≤ 10%
-92
-
-
dBm
PER
≤ 10%,
-40 - +85 °C
-82
-
-
dBm
V2X maximum input level
PER
≤ 10%
-
-
-30
dBm
V2X adjacent channel rejection
-
13
-
-
dB
V2X non-adjacent channel rejection
-
29
-
-
dB
V2X output power
Spectrum mask
Class C
-
-
20
dBm
GNSS antenna gain
Antenna Gain
-
-
2.4
*3
2.85
*4
dBic
LNA Gain
*5
24
27
30
dB
GNSS sensitivity (C/N
0
)
Acquisition
22
30
45
dB-
Hz
GNSS antenna bias
I
ANT
≤ 20mA
3.0
-
3.3
V
GNSS antenna detection current
I
ANT
*6
12
-
58
mA
Note:
*1: Excluding V2X antennas. Ta of V2X antenna is -40 ~ +70°C
*2: Powered by an 802.3af/at PSE
*3: Measured at 1575MHz
*4: Measured at 1602MHz
*5: GNSS LNA bias = 3.0V
*6: I
ANT
under Min. = OPEN; I
ANT
over Max. = SHORT; I
ANT
between Min/Max. = NORMAL.
7.3.
Power Consumption
RSU-352 is an 802.3af PD (powered device) and should be powered with an
802.3af/802.3at PoE PSE (power sourcing equipment).
Table 3: Power consumption
Condition
Power Consumption
Temp.
Power Source
Voltage (V)
Low
*1
Typical
*2
High
*3
25°C
802.3af PoE PSE
54.3
0.06A
(3.26W)
0.06A
(3.26W)
0.11A
(5.97W)
85°C
802.3af PoE PSE
54.3
0.07A
(3.80W)
0.07A
(3.80W)
0.12A
(6.52W)
