Chapter 4 – Antennas and Cables
Multi-Tech Systems, Inc. MultiModem Wireless EDGE, GPRS, and CDMA Modems with GPS (S000376A)
18
GPS Antenna Compact Magnetic Mount
Antenna
Antenna
Frequency Range
1,575.42+/-1.023MHz
Gain
90°: 3.0dBi min.; 20°: -4.0dBi min.
(mounted on the 65mm X 65mm square ground plane)
Polarization
RHCP
Axial Ratio
90°: 4.0dB max.; 10°: 6.0dB max.
(mounted on the 65mm X 65mm square ground plane)
LNA
Frequency Range
1,575.42 ±1.023MHz
Gain
28 ±3 dB (-40°C to 85°C)
Noise
1.5dB max. (+25°C ± 5°C)
2.2dB max. (+85°C)
Out of band rejection
fo
=1,575.42MHz
fo
±20MHz
7dB min.
fo
±30MHz
12dB min.
fo
+/-50MHz
20dB min.
fo
±100MHz
30dB min.
Output Impedance
50
Ω
Output VSWR
2.0max.
Overall Specifications
Frequency Range
1,575.42 ± 1.023MHz
Gain
27 ± 3dBi (+25°C ± 5°C)
27 ± 4dBi (-40°C to 85°C)
(mounted on the 65mm x 65mm square ground plane)
Output Impedance
50
Ω
VSWR
2.0MAX.
ESD
Antenna surface ± 15KV
Connector pin ± 8KV
MTBF
5.13E+6Hr.
Storage Conditions
Temperature and
Humidity
-20°C to 45°C, humidity 80% max. consumption at room
temperature
General
Operating Temp.
-40°C to + 85°C
Storage Temp.
-40°C to + 100°C
Relative Humidity
20% to 95%
Input voltage
3.0V ± 0.3V
Power Cons.
15mA max (room temp)
Output connection
MCX (plug)
Cable
1.5DS-QEHV (Shikoku Cable Co.) black: 5m
Weight
20g TYP
