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GPS L1 Band GPS Reradiator Kits with reradiating range 10 meters

$629.98CAD
Model: RK-104
 
   
Manufactured by: San Jose Navigation
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RK-104, is an excellent GPS L1 band signal Reradiator featuring dual antennas to re-transmit real-time GPS satellite outdoor receptions to an indoor environment. Designed to operate as a whole, the system kits are composed of a highly-sensitive external GPS antenna, precisely calibrated amplifier circuit with Helix type indoor Reradiator and a built-in power supply regulator. The Helix type indoor antenna system allows multiple GPS receiver users to perform on-the-fly normal receiver operation within a closed environment, while the main GPS antenna is installed on an unmanned location outdoor.

The GPS L1 signal is a 1575.42 MHz frequency, along with a 1.023 Mbps Bi-Phase shift Keying (BPSK) modulated spreading code. The input signal power at the receiving antenna is approximately -130 dBm (spread over 2 MHz). In addition, the unit is designed as plug-n-play hardware and it can be installed either permanently to a secured location or quickly at users' convenience by using either screw mounting or glass suction cup, respectively, for the indoor reradiating helix antenna.

Features
  • Excellent Signal Reception: Re-radiating distance is around 10 meters from the re-radiating antenna. In addition, full receiver visibility of GPS satellites outdoor comes along with an amplified re-radiated signal indoor.

  • Highly Integrated System: Designed to operate as a whole, the system kits are composed of a high-gain external GPS antenna, a precisely calibrated amplifier circuit with a Helix type indoor re-radiating antenna and a built-in power supply regulator that provides systems with power. The unit is designed as plug-n-play hardware and it can be installed either permanently to a secured location or quickly at users' convenience by using either screw mounting or glass suction cup, respectively, for the indoor re-radiator helix antenna.

  • Efficiency & Convenience: The re-radiator transmits real time data throughout the vehicle directly to an unlimited number of users. Multiple GPS receivers or hand-helds can share just one re-radiator to receive timely data.

  • Power Saving: Thanks to its GPS Power Saver design, the system uses an independent power supply source, saving users from the need of other power source for their GPS unit.

  • Easy-to-Setup: No additional cables are required and no external GPS antennas are needed to be plugged and unplugged when using a GPS receiver inside the vehicle.

Antenna RK-304

Applications
  • LABORATORY
  • MOBILE HOMES
  • OFFICES
  • TRUCKS
  • TRAINS
  • SHIPS
  • SAILING BOATS
  • BUSES etc.
Precaution:

THE INDOOR ANTENNA MUST BE TOTALLY ISOLATED AND DOES NOT HAVE A LINE OF SIGHT TO THE EXTERNAL GPS ANTENNA, SO AS TO AVOID FEEDBACK RELECTED RF SIGNAL.


RK-304 Layout
Specifications
External Antenna Electrical Specifications, TA=25oC (The standard cable length 40 meters, but can be customized)
Description
Parameter
Min
Typ
Max
Units
Frequency
L1 band
--
1.575
--
GHz
Bandwidth
--
--
50
--
MHz
Amp Gain
--
--
28
--
dB
Noise Figure
--
--
1.3
--
dB
Output SWR
--
--
2.0:1
--
ratio
DC Input
--
4.5
--
5.5
Vdc
Re-Radiating Antenna System Electrical Specification, TA=25oC
Description
Parameter
Min
Typ
Max
Units
Frequency
L1 band
--
1.575
--
GHz
Bandwidth
--
--
20
--
MHz
Impedance
--
--
50
--
ohm
Gain
--
--
30
--
dB
Noise Figure
--
--
2.0
--
dB
Output SWR
--
--
1.6:1
--
ratio
Element
Helix type
--
--
--
--
Polarization
RHCP
--
--
--
--
RF Out
at 1dB gain compression
--
-2.0
--
dBm
DC Input
--
+6
--
+30
Vdc
Consumption
--
--
55
--
mA

Re-radiating Distance: around 10 meters from the re-radiating antenna

 
 
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