Gems GT-RK1 Manual Download Page 8 | Manualshive

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Gems GT-RK1 Manual Download Page 8

Doc.No.1103 Rev.013 2016-08-16

Tel: +86-755-29644311 Fax: +86-755-29644383-816
Email: [email protected] Web:

www.gemsnav.com

Page 8 / 16

5. Kits include

5.1 Gain Controller GA30-V

5.1.1 Function:

Used to adjust system gain,0‐30 dB

adjustable, you can control when needed.
(with AC220/9V power adapter, supply power
to system and itself.)

①

②

are input/output, connect to cable

assembly, N female.
Can be customized.

③

this knob can control gain value.

Anticlockwise: lower
Clockwise: higher

When finished the installation, you can adjust the

knob, usually from high to low, the best position is when
your receiver’s SNR begin to weak.

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Summary of Contents for GT-RK1

Page 1: ...x 86 755 29644383 816 Email sales gemsnav com GEMS NAVIGATION LIMITED Room 301 Hua Chuang Da Building Cuizhu Rd 46 District Bao an Shenzhen China GT RK1 GPS signal indoor coverage system Installation and user guide WWW GEMSNAV COM GEMS NAVIGATION LIMITED ...

Page 2: ...ge 2 16 GT RK1 System signal GPS L1 1575MHz This is single point solution covers 5 20 meters at radius by increasing the amplifier according to methods and under field conditions building height and other certain conditions reach a radius of 20 meters Note Single point means one antenna be used to transmitting GPS signal ...

Page 3: ...nvironment select PE or PVC material plastic pipe to protect the cable assembly is quite sensible 3 Protector Amplifier and Gain controller are fixed on the wall indoor 4 Cable assembly KSR240 is fixed along the ceiling of the operating place 5 Antenna GTA10 be fixed on the ceiling or crossbeam 6 According to the actual environment you can adjust positions of some parts which can make you the adju...

Page 4: ...r warranty products gone wrong which be identified not be human factor can be replaced free or repaired Freight be charged by GEMS Return Policy Our product and its packaging have LOGO and Serial number you should not tear up them as we will depend on them to deal with the return product We haven t recruit agencies sales and after service be took charged by GEMS Please pay attention Service phone ...

Page 5: ... 5 1 1 Function 8 5 1 2 Specification 9 5 2 Antenna 10 5 2 1 GPS antenna Receiving antenna TIMING 4000 10 5 2 2 Transmiting antenna GTA 10 11 5 3 Cable Assembly 11 5 3 1 RG8 KSR 400 11 5 3 2 KSR 240 11 5 3 3 Select Connector 12 6 Installation guide 12 6 1 GPS Antenna TIMING 4000 Installation 13 6 1 1 Lighting Protection 13 6 1 2 Installation steps of GPS Antenna 14 6 2Installation to Protector and...

Page 6: ...nd sending antenna which can support multi system multi waveband satellite signal receive and transmit so as to cover satellite signal indoor Other documents log in website www gemsnav com or contact sales gemsnav com 或 or call the technical service 86 755 29644311 2 Typical Application For GPS products testing For testing the cell phone with GPS PND car navigators tracker survey products etc For ...

Page 7: ... Email sales gemsnav com Web www gemsnav com Page 7 16 4 Topological Under standard configuration GPS Signal Radius 5M 20M GPS Antenna TIMING 4000 receiving Lightning protector Gain controller GA30 V Antenna GTA10 transmit RG8 30M KSR240 10M Top level outdoor Workshop Indoor ...

Page 8: ... system gain 0 30 dB adjustable you can control when needed with AC220 9V power adapter supply power to system and itself are input output connect to cable assembly N female Can be customized this knob can control gain value Anticlockwise lower Clockwise higher When finished the installation you can adjust the knob usually from high to low the best position is when your receiver s SNR begin to wea...

Page 9: ...0 Ω Gain 1227MHz In Output ports 45dBm Input Level 28 30 32 dB 1575MHz 28 30 32 Adjustable gain 1227MHz Max 29 30 31 Min 4 2 0 1575MHz Max 29 30 31 Min 2 0 1 Input SWR 2 5 1 Output SWR 2 5 1 Nois Figure 2 dB Gain Flatness 3 dB Current balance 0 5 dB Phase Balance 1 0 deg Group Delay Flatness 1 ns Device current 16 mA DC IN The DC input on the input or output port 3 5 16 VDC AC supply 220 AC Max RF...

Page 10: ... Receive satellite signal GPS L1 Electrical parameter Frequency MHz 1575 42 5 Gain dBi 38 2 LNA included Polarization Circular polarization Axial ratio dB 5 3dB beam width 110 10 Front to Back Rario dB 10 DC Voltage V 4 6 DC Current mA 45 Connector N Female Frequency Range MHz 1575 42 5 Gain dB 34 2 Flatness in bandwidth dB 1 1575 42 1 023MHz 2 1575 42 5MHz Noise Figure dB 2 7 Out of Band Rejectio...

Page 11: ...N Male The attenuation value is 0 18 dB m Thus you can assess the system or contact with our sales to select proper configuration Tel 86 755 29644311 Fax 86 755 29644383 816 Email sales gemsnav com Mechanical characteristic Radom material ABS Size mm Ø92 140 Weight Kg 0 19 Operation Temperature 40 70 Reposition temperature 55 75 Operating humidity 95 Circumstance Outdoor We apply two cable assembl...

Page 12: ... com Web www gemsnav com Page 12 16 5 3 3 Select Connector Connectors are industrial standard component below are selectable 6 Installation guide Lighting protector Gain controller GA30 V GPS Antenna TIMING4000 Antenna GTA10 Socket Cable assembly RG8 30M Cable assembly KSR240 10M Amplifier GA40 ...

Page 13: ...r than this area or out of the range set up lighting rod is wisdom Lighting rod installation of attention as below 1 The height of lightning rod is apply with the position of antenna much high than antenna 0 5 1m higher and more 2 Lighting rod wield with the building circuit line ensure ground resistant less than 10Ω 3 Can directly wield rough sheet iron to building lightning protecting ground as ...

Page 14: ...5 29644311 Fax 86 755 29644383 816 Email sales gemsnav com Web www gemsnav com Page 14 16 6 1 2 Installation steps of GPS Antenna Step one Drill hole Step two Install pedestal Step three Fix clamp Step four Fix Antenna Finish the installation ...

Page 15: ... transmitting antenna as GAT10 L1P etc Power supply Fix Gain controller You can fix according to the 4 hole location Notice This device includes a power adapter we suggest to fix it near to the power socket Notice for installing protector Earth resistance is assured less than 10Ω One end of the lighting protection line should connect to grounding ears the other one is wielded to the nearest buildi...

Page 16: ...step were ok please check the outdoor antenna Timing4000 You can screw the port which connect Timing4000 and cable carefully screw not unplug strongly Notice when screwing the cable connector you should make sure to screw the iron pipe maintain the antenna and cable moveless which avoid to screw off the cable After riving check the voltage between axis of the cable connector and the outer shieldin...

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