4
SPECIFICATIONS
GNSS-501
GNSS-502
Radio Frequency
Pass band (typical)
Upper band: 1588.5 ± 23.0 MHz
L-Band
1545.0 ± 20.0 MHz
Upper band: 1588.0 ± 23.0 MHz
Lower band: 1220.0 ± 31.0 MHz
L-Band:
1555.0 ± 10.0 MHz
Out-of-band rejection (typical)
band edges ± 50 MHz
band edges ± 100 MHz
15 dB (typical)
25 dB (typical)
15 dB (typical)
25 dB (typical)
Gain at zenith (
= 90°) (min)
L1/B1/E1/G1:
+4.0 dBic
L-Band:
+4.0 dBic
L1/B1/E1/G1:
+4.0 dBic
L2/B2/G2/E5b:
+4.0 dBic
L-Band:
+4.0 dBic
Gain roll-off (zenith to horizon)
L1/B1/E1/G1/L-Band
12 dB
L1/L2/B1/B2/E1/E5b/
G1/G2/L-Band 12
dB
LNA gain (typical)
29 dB
L1: 34 dB
L2: 38 dB
Polarization
Right-hand circular
Noise figure (typical)
2.5 dB typical
L1-L2 differential propagation
delay (maximum)
-
7 ns
Nominal impedance
50
VSWR
2.0 : 1
Power
Input voltage
3.3 - 18.0 VDC
Current (typical)
20 mA
Environmental
Operating temperature
-40°C to +85°C (-40°F to +185°F)
Storage temperature
-55°C to +85°C (-67°F to +185°F)
Random Vibration (operating)
MIL-STD-810G(CH1), 514.7 Annex E Procedure 1, Category 24
Salt Fog
MIL-STD-810G(CH1), 509.6
Shock
MIL-STD-810G(CH1), 516.7 (40 g) Procedure 1
Bump
IEC 68-2-27 Ea (25 g)
Water/Dust Resistance
IP67, IP69K
Physical
Diameter
155 mm (6.10")
Weight
450 g (15.88 oz)
