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Sensitivity
Operational Limits
a
The lowest GNSS signal level at which the device can detect an in-view satellite 50% of the time when in
sequential tracking mode.
b
The lowest GNSS signal level at which the device can detect an in-view satellite 50% of the time.
c
Either limit may be exceeded, but not both
GNSS Standalone Antenna Requirements
Frequency Range
Field of View (FoV)
Polarization (average Gv/Gh)
Free space average gain (Gv
+Gh) over FoV
Gain
Average 3D gain
Isolation between GNSS and
LTE Main (Primary)
Typical VSWR
Polarization
a
Vertical linear polarization is sufficient.
b
Gv and Gh are measured and averaged over -45 to 90° in elevation, and ± 180° in azimuth.
Conducted Rx (Receive) Sensitivity for LTE Bands
LTE Band 2
LTE Band 4
LTE Band 5
LTE Band 13
LTE Band 17
LTE Band 25
RUGGEDCOM Modules
Catalog, 07/2021, C79000-G8976-1320-16
•
•
•
•
Altitude < 6000 m (3.7 mi) or velocity < 100 m/s (328 ft/s)
•
•
•
•
> 0 dB
> -3 (preferred) or -6 dBi
•
•
> -5 dBi
> 10 dB in all uplink bands
< 2:5:1
Any other than LHCP (Left-Hand Circular Polarized) is acceptable.
LTE Band
6.7 RUGGEDCOM RX1500PN LM W51
a
Tracking: -161 dBm
Acquisition (Assisted, Non-LTE): -158 dBm
Acquisition (Assisted, LTE): -153 dBm
Acquisition (Standalone): -145 dBm
Narrow-Band GPS: 1572.42 MHz ± 2 MHz minimum
Wide-Band GPS and GLONASS: 1565 to 1606 MHz
recommended
Omni-directional in azimuth
-45° to 90° in elevation
a
b
Maximum gain and uniform coverage in the high elevation
angle and zenith
Gain in azimuth plane is not desired
Conducted Rx Sensitivity (dBm)
Primary
Secondary
(Typical)
(Typical)
-99.1
-98.2
-99.7
-98.9
-98.0
-99.1
-98.7
-99.1
-99.7
-99.0
-99.8
-98.1
Cellular Modem Modules
b
c
SIMO (Typical)
SIMO (Worst
Case)
-101.6
-94.3
-102.4
-96.3
-101.5
-94.3
-101.9
-96.3
-101.1
-93.3
-101.4
-92.8
163
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