Part #: 1027-011

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» Download Data Sheet (PDF )

GPS Active L1 Antenna, Narrow Band Filtering, +11 dB Active Gain, TNC(m)
  • Elevation Pattern: RHCP Gain referenced to +5 dBic
  • Engineering Drawing: All dimensions are in inches
  • Images: Filter Response Plot

Product Overview

The Southwest Antennas part # 1027-011 GPS Active L1 Antenna is a high-performance and ruggedized product designed to deliver precise location services and timing information for GPS receivers, manpack radios, hand-held radios, and other small form factor radio systems. The antenna features a recessed, non-rotating TNC(m) RF connector and is waterproof to 65 feet / 60 meters, making it suitable for service in harsh environments.

Part # 1027-011 features +11 dB of active low noise amplifier gain coupled with narrowband SAW filtering providing >30 dB out of band rejection from 60 MHz above and below the L1 center frequency (1575.42 MHz). The integrated high linearity LNA provides both a very low noise figure (<1.5 dB) and a high input IP3 (+4.9 dBm).

This antenna's narrowband, commercial-grade filter make it especially useful for applications where the GPS receiver will be located next to transmit antennas by working to eliminate co-site interference, keeping the GPS antenna operational for critical location and timing services. 

Features: 
  • GPS L1 frequency +/- 1 MHz bandwidth
  • Out-of-band jamming immunity
  • Superior out of band rejection
  • Ultra low noise figure
  • Ultra low power consumption
  • Active LNA & Dual SAW filter circuitry
  • Small form factor, ultra light-weight design
  • Ruggedized design, waterproof to 20 meters (65.6 ft.)
  • 50 V/m jamming resistant
  • Burn-out protection, in-band jamming
  • Ground plane independent
  • Recessed TNC(m) interface
  • Exceptional pattern bandwidth

Applications

  • Navigation systems
  • Military and security
  • SIGINT / ELINT applications
  • Electronic warfare
  • Manpack radios
  • Handheld radios
  • Small form factor radios
  • Low profile vehicle mounts
  • Unattended / intelligent munitions systems
  • Dismounted soldier-level communications
  • I.E.D. recognition & destruction jamming systems
  • Asset tracking
  • Precision timing
  • LBS & M2M applications
  • Oil & gas industries
  • Law enforcement
  • Mobile computing
  • UAV & unmanned systems

Product Specifications

Parameter Value Units Tolerance
Antenna Pattern Hemispherical Antenna
Frequency Band GPS L1
Impedance 50 Ohms
Minimum Frequency 1.574 / 1,574 GHz / MHz
Maximum Frequency 1.576 / 1,576 GHz / MHz
Frequency Bandwidth 0.002 / 2 GHz / MHz
Maximum VSWR 2.0:1 Ratio
Maximum Gain 1.50 dBic ± 0.5dB
Axial Ratio 1.0 dB
Polarization RHCP
Maximum RF Input Power N/A Receive Only
Horizontal (AZ) Beamwidth 140 Degrees
Vertical (EL) Beamwidth 140 Degrees
Ground Plane Required No
Radome Material Delrin 527 UV stable
Color Flat Black
Immersion 65.60 / 19.99 ft / m
RF Connector Type TNC(m) Non-Rotating
IP Rating IP67
Product Height 2.13 / 54.10 inches / mm ± .02"
Product Diameter 0.70 / 17.78 inches / mm
Product Weight 1.1 / 31.2 oz / grams

LNA Specifications

Parameter Value Units Tolerance
LNA Gain +11 dB ± 1 dB
LNA NF <1.5 dB
LNA DC Voltage Range 2.0 - 3.6 VDC
Input IP3 6.1 dBm
Input P1dB -2.0 dBm
Filtering >30 dB @ ±60 MHz of CF
ESD Protection Protection Diode

Downloads

Data Sheet (PDF )