GPS/AviAtion SPeciAl PurPoSe AntennAS - PCTEL | Antenna

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GPS/Aviation Special Purpose AntennasGPS Timing Reference AntennasMMK1925 Mounting Bracket for the 397XDSeriesThe MMK1925 Stainless steel “L” bracket mount was designed for wall or pipemount installations. The mount comes with two hose clamps and can be usedon a 2” maximum diameter mast. The bracket is 6” long with a 3/4” diameterhole for mounting the antenna.Features• Designed for wall or pipe mount installations• RoHS ComplaintMMK1925Antenna Used with MMK1925Model3971D3971D-DH3977D3978D3978D-DH3971D-HR-DH3978D-HR-DH180 PCTEL, Inc. WEB: www.antenna.com
GPS/Aviation Special Purpose AntennasGPS Timing Reference AntennasGPS-TMG-20N, 20 dB Internal AmplifierThe GPS-TMG-20 timing reference antennas are specifically designed for longlasting,trouble-free deployments in congested cell-site applications. Their 20dB high gain amplifier is well suited to address attenuation issues associatedwith applications requiring longer cable runs.The proprietary quadrifiliar helix design, coupled with multistage filteringprovides superior out-of-band rejection and lower elevation patternperformance than traditional patch antennas.Their unique radome shape sheds water and ice, while eliminating problemsassociated with bird perching. The antenna may be purchased by itself or with pipemounting hardware. Custom models or site kits options are also available.This antenna is made of materials that fully comply with provisions stipulatedby EU directives RoHS 2002/95/EC.GPS-TMG-20NThis antenna also features ESD, reverse polarity protection and transitvoltage suppression.Antenna Electrical SpecificationsFrequencyBandAntennaGainNominalImpedanceVSWRPolarization1575.42 +/- 10 MHz 3.5 dBic 50 ohms < 1.5:1 Right hand circularGPS-TMG-MRNMNTGPS-TMG-LMNTMechanical SpecificationsAntennaDimensions5” H x 3.2” D(126 H x 81 mm)ShippingDimensions7.5” L x 4.4” W x 3.8” D(190 x 112 x 96 mm)Environmental SpecificationsTemperature RangeModelConnectorN, female (one - bottom fed)GPS-TMG-20NGPS-TMG-20NMSGPS-TMG-20NCS• ESD protected• Reverse polarity protection• Transient voltage suppression on outputAntennaWeight0.6 lbs(0.3 kg)Input/OutputShippingWeight1.9 lbs(0.9 kg)Humidity- 40°C to + 85°C 95%MountingAll mounting options fit pipes of 1”-1.45” (25 mm-37 mm) maximum diameter.OptionsDoes not include mounting hardware.RadomeColorWhiteIncludes universal mounting hardware consisting of collar(GPS-TMG-MNT) and pipe clamp (GPS-TMG-LMNT).Includes economy collar mount (GPS-TMG-MRNMNT).Low Noise AmplifierSpecificationsFrequency Band:1575.42 center frequency3 dB bandwidth +/- 10 MHzAmplifier Gain:20 dB +/- 3 dBNominal Impedance:50 ohmsOutput VSWR:< 2.0:1Maximum Noise Figure:≤ 2.5 dB @ +25°C including pre-selectorDC Voltage:3.3 - 9.0 V (regulated)DC Current:20 mA, 30 mA max @ 5VPolarization:Right hand circularFiltering:3 stage filters including pre-selectorOut of band rejection:-60 dB @ 1575.42 +/- 50 MHzPCTEL, Inc. WEB: www.antenna.com 181
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