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Russia Requires WiFi Registration
While WiFi wasn’t as broadly unlicensed in Russia as it is in most other industrialized nations, your can not find wifi antenna anywhere a state regulator exempted indoor use in certain bands from registration. The Mass Media agency apparently believes that it has the authority to compel this, although there’s some doubt by observers as to whether it really falls in their purview.
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Drills a hole fixed GPS /VHF Antenna


AIS system & boat manages the double frequency GPS/VHF Antenna or GPS/ Orbcomm Antenna



Constructions: Polycarbonate radome, rubber-O-ring between top radome and screw base for waterproof
Dimensions: 47.2mm(Dia.) x 38mm(H)
Weight: 100grams (with 5M cable & connector).
Color: Standard in Black
Mounting: Bulkhead mount with 0.46 inch threaded wing nut.
Cable & Connector
RF cable: 5 meter RG174/U (standard) other length (optional)
Pulling strength: 6 Kg @ 5sec. molded plastic on connector end for strain relief.
Connector available: SMA/SMB/MCX/MMCX/GT5/FME---
Optional: Universal Connector Adapter (FME to TNC/BNC/SMA/SMB/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: 1.5 max
Output Impedance: 50 ohm
Low Noise Amplifier
Center Frequency: 1575.42 MHz
Power Gain: 28db +/-4.5db
Bandwidth: 10MHz min.
Noise Figure: 1.5 min.
Outer Band Attenuation: 3 dB max.
Supply Voltages: 2.5~5.5V DC
Current Consumption: 2.5V : 6.6mA Typ. 3V: 8.6mA Typ. 4V: 12.6mA  Typ. 5V: 16.6mA  Typ.
Output Impedance: 50W ohm
Overall Performance: (antenna element, LNA & coax cable)
Center Frequency: 1575.42 Mhz.
Gain: At 90°  30 ± 4.5dBi-(cable loss)  Note:1 Mounted on the 60mm x 60mm square ground plane
Noise Figure: 2.0 max.
Axial Ratio: 3 dB max.
Bandwidth: 2MHz min.
VSWR: 2.0 max.
Output Impedance: 50W ohm
Operating Temperature: -40°C~ +85°C.
Storage Temperature: -50°C~ +90°C.
Relative Humidity: 95% non-condensing.


VHF Annt
Frequency 156-165Mhz  ( AIS System) Frequency 137-150Mhz  (Orbcomm )
VSWR 156Mhz 160Mhz 165Mhz <2.0 Max 1.9 1.3 1.7 VSWR 137Mhz 141Mhz 150Mhz 2.5Max 2.29 1.42 2.3
Impedence 50Ω Impedence 50Ω
Cable type RG174 Cable type RG174
Cable length 5M Cable length 5M
Connector SMA Coding or Others Connector SMA Coding or Others
Power 5~10W Power 5~10W

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