GAF-68

GAF-68

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GAF-68 GPS/GSM Antenna
  • 產品敘述
  • 產品特性
  • 產品規格

GPS antenna with double threaded bolts and through holes for cable routing with course & fine treaded pitch locking for wing-nut fastener and lock-nut to prevent vibrations and un-authorize removal.

 

PHYSICAL CONDITION
Constructions:

Polycarbonate radome,detachable cable/connector for easy mount, rubber-O-ring between top radome and screw base for waterproof.
Dimensions: 60mm(Dia.) x 90mm(H)
Weight: 65grams (w/o cable & connector)
Color: White or Black (Optional)
Mounting: Bulkhead mount with 0.8 inch threaded wing nut (standard accessory).
FB6 2.5mm SUS L-Mounting.

 

Cable & Connector
RF cable:

RG174-20CM-SMA(F) or ----
Pulling strength: 6 Kg @ 5sec. molded plastic on connector end for strain relief.
Connector available: SMA ,SMB, Fakra , BNC,TNC,MMCX,MCX----

 

Antenna Element
Center Frequency: 1575.42 MHz +/-1.023 MHz
Polarization: R.H.C.P. (Right Handed Circular Polarization).
Absolute Gain @ Zenith: +5 dBi typical.
Gain @ 10o Elevation: -1 dBi typical.
Axial Ratio: 3 dB max.
Output VSWR: 2.0
Output Impedance: 50 ohm

 

Low Noise Amplifier
Center Frequency: 1575.42 +/- 1.023 MHz
Power Gain: 28 db +/-3db
Bandwidth: 10 MHz min. @S11-10 dB
Noise Figure: 1.5
Outer Band Attenuation: 3 dB max.
Supply Voltages: 2.5~5.5V DC.
Current Consumption: at 2.5V 6.6mA Typ.
at 3.0V 8.6mA Typ.
at 4.0V 12.6mA Typ.
at 5.0V 16.6mA Typ.
Filter 20dB 25dB @ fo+/- 50MHz
30dB 35dB @ fo+/- 100MHz
* fo=1575.42MHz

 

Overall Performance: (antenna element, LNA & coax cable)
Center Frequency: 1575.42 +/- 1.023 MHz
Gain: At 90o vertical to sky 30 ± 4.5dBi
(cable loss) Note:1
Mounted on the 60mm x 60mm square ground plane
Noise Figure: 1.5 typ.
Axial Ratio: 3 dB max.
Bandwidth: 10 MHz min. @S11-10 dB
VSWR: 2.0 max.
Output Impedance: 50 ohm

 

Environmental
Operating Temperature: -40°C~ +80°C.
Storage Temperature: -40°C~ +80°C.
Relative Humidity: 95% non-condensing.
Water Resistance: 100% waterproof.

 

GSM / ADS-B/ 3G / LTE / WIFI
Frequency 690~960/1090/1616~1636/1710~2170/2400~2700Mhz
VSWR 3.5
Impedence 50Ω
Cable type RG174
Cable length 20CM-SMA(F) or
Connector SMA Coding or Others

 ＊This specification is subject to change without prior notice  

 

 

 

ON 320x220mm GND Test

 

 

Test result:

 

Frequency (MHz) 690 698 704 710 716 734 740 746 751 756 777 782 787 791
Efficiency (%) 94.14 96.65 96.97 96.25 92.84 82.29 80.30 78.95 78.85 78.86 76.41 74.70 72.98 72.27
Peak Gain (dBi) 3.07 3.21 3.28 3.28 3.13 2.80 2.81 2.86 2.95 3.04 3.23 3.18 3.10 3.1

 

Frequency (MHz) 806 815 821 824 830 832 836 845 847 849 860 862 869 875
Efficiency (%) 78.29 76.81 76.34 76.62 77.15 77.74 77.80 77.48 77.01 76.56 73.46 73.12 70.95 69.82
Peak Gain (dBi) 3.36 3.22 3.13 3.17 3.15 3.15 3.08 2.99 2.94 2.90 2.64 2.58 2.39 2.23

 

Frequency (MHz) 880 881 890 894 900 915 925 940 960 1427.9 1447.9 1462.9 1475.9 1495.9
Efficiency (%) 68.89 68.78 68.30 68.88 69.31 71.30 72.56 73.74 74.35 72.22 71.95 71.71 70.98 68.98
Peak Gain (dBi) 2.09 2.06 1.83 1.76 1.64 1.51 1.75 2.16 2.71 2.68 2.59 2.56 2.48 2.29

 

Frequency (MHz) 1510.9 1574.7 1575.4 1576.4 1602 1710 1750 1755 1785 1805 1840 1850 1880 1882
Efficiency (%) 68.17 74.85 74.81 74.97 78.06 98.03 93.06 91.75 85.41 84.88 82.58 81.53 81.45 81.62
Peak Gain (dBi) 2.26 3.93 3.95 3.97 5.30 4.15 3.83 3.78 3.61 3.88 3.97 3.89 3.69 3.71

 

Frequency (MHz) 1910 1920 1930 1950 1962 1980 1990 2110 2132 2140 2155 2170 2400 2450
Efficiency (%) 86.45 88.31 90.60 93.93 97.53 98.16 98.01 75.28 76.28 76.20 77.90 79.80 75.11 75.13
Peak Gain (dBi) 4.25 4.44 4.68 4.96 5.17 5.39 5.43 3.72 4.05 4.07 4.16 4.23 4.48 3.15

 

Frequency (MHz) 2500 2535 2570 2620 2655 2690 2700
Efficiency (%) 81.65 88.12 89.31 84.28 80.03 74.18 72.51
Peak Gain (dBi) 3.56 4.06 4.17 3.92 3.84 3.68 3.57

 

 

 

 

 

 

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