Poseidon Reference Manual
Page 6 of 11
Version 2.0
17/12/2016
4.2 GNSS Antenna Performance
Parameter Value
Supported Navigation Systems GPS L1/L2/L5
GLONASS G1/G2/G3
GALILEO E1/E5
BeiDou B1/B2
L-Band Corrections
Supported SBAS Systems WAAS
EGNOS
MSAS
GAGAN
QZSS
Antenna Element Gain 4 dBiC
Polarisation Right Hand Circular Polarised
LNA Gain 28 dB
Out-of-Band Rejection < 1050 MHz
< 1125 MHz
> 1350 MHz
< 1450 MHz
> 1690 MHz
> 1730 MHz
> 45 dB
> 30 dB
> 45 dB
> 30 dB
> 30 dB
> 40 dB
Noise < 2 dB typical
Operating Voltage Range 2.5 to 16 V DC
Current Consumption 20 mA typical, 25 mA maximum
ESD Protection 15 KV air discharge
Table 3: GNSS antenna specifications
4.3 Hardware
Parameter Value
Dimensions 67 mm diameter x 23 mm
Cable Length 3 m (custom lengths available)
Operating Temperature -40 °C to 85 °C
Weight 320 grams
Base Material 316 Stainless Steel
RoHS Compliant Yes
Shock Vertical 50 G, other axis 30 G
Maximum Pressure Rating 300 bar (3000 metres)
Table 4: Mechanical and environmental specifications
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