Part #: 1027-027

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GPS Passive L1 Antenna, 1.5 dBic Gain, SMA(m) RF Connector
  • Elevation Pattern: RHCP Gain @ 1,575 MHz
  • Azimuth Pattern: RHCP @ 1,575 MHz
  • Engineering Drawing: All dimensions are in inches
  • Images: Gain and Axial Ratio vs Frequency Plot
  • Images: Measured Pattern Gain and Axial Ratio vs Frequency

Product Overview

Southwest Antennas part # 1027-027 GPS Active L1 Antenna is a high-performance and ruggedized product designed to provide accurate timing and location services for GPS receivers, manpack radios, hand-held tactical radio systems, and other small form factor radio systems. Key features include a quadrifilar helical antenna design, excellent axial ratio, compact size, and light weight design.

The small size and light weight design of this rugged, high-performance GPS antenna make it ideal for unmanned system, autonomous vehicles, and other automated or remote assets where antenna size needs to be minimized.

Part # 1027-027 features a recessed SMA(m) Non-Rotating RF connector and is IP67 rated.

Features: 
  • GPS L1 frequency +/- 60 MHz bandwidth
  • Exceptional pattern bandwidth
  • Small form factor, light-weight
  • Ruggedized design
  • Ground plane independent
  • Recessed SMA(m) non-rotating RF connector
  • Waterproof to 20 meters (65.6 ft.) when mated

Applications

  • Navigation systems
  • Military and security
  • Manpack radios
  • Handheld radios
  • Small form factor radios
  • Low profile vehicle mounts
  • Unattended/ Intelligent Munitions Systems
  • Dismounted soldier-level communications
  • Unmanned ground vehicles
  • I.E.D. recognition & destruction jamming systems
  • Asset tracking
  • Precision timing
  • LBS & M2M applications
  • Oil & gas industries
  • Law enforcement
  • Mobile computing
  • UAV Systems

Product Specifications

Parameter Value Units Tolerance
Antenna Pattern Omni Antenna
Frequency Band GPS L1
Impedance 50 Ohms
Minimum Frequency 1.545 / 1,545 GHz / MHz
Maximum Frequency 1.605 / 1,605 GHz / MHz
Frequency Bandwidth 0.06 / 60 GHz / MHz
Maximum VSWR 2.0:1
Maximum Gain 1.50 dBic
Axial Ratio 1.0 dB Max @ zenith (2.6 dB max @ - 3 dB beamwidth) @ 1,575 MHz
Polarization RHCP
Horizontal (AZ) Beamwidth 360 Degrees
Vertical (EL) Beamwidth 113 - 133 Degrees
Ground Plane Required No
Radome Material Ultem 1000
Color Black
Immersion 20 Meters When fully mated
RF Connector Type SMA(m) Non-Rotating
IP Rating IP67
Storage Temperature Range -60 to +185 °F (-51.1 to +85 °C)
Product Height 2.13 / 54.10 inches / mm ±0.02
Product Diameter 0.70 / 17.78 inches / mm ±0.15
Product Weight 0.9 / 24.4 oz / grams

Downloads

Data Sheet (PDF )