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TW4721 Wideband Dual Feed GPS/GLONASS/BeiDou/Galileo Antenna

兼容北斗、伽利略、格洛纳斯紧凑型天线,价廉物美

The TW4721 is a compact, wideband Accutenna™ technology GNSS antenna that provides accurate reception for all upper L- band GPS, GLONASS, Beidou, and Galileo signals (L1, G1, B1, B1 BOC, B12, E1) and associated augmentation signals (WAAS, EGNOS and MSAS SBAS). It provides truly circular response over its entire bandwidth thereby producing superior multipath signal rejection resulting in higher accuracy of position and time.

TW4721支持GPSL1、北斗B1、GlonassG1、Galileo E1,增益26dB、仅仅50克重。28dB增益版本为TW4821。

FeaturesTW4721 GPS, GLONASS, Beidou, and Galileo signals (L1, G1, B1, B1 BOC, B12, E1) & SBAS antennaTW4721 GPS, GLONASS, Beidou, and Galileo signals (L1, G1, B1, B1 BOC, B12, E1) & SBAS antenna

  • Accutenna™ Technology
  • High rejection SAW filter
  • Low noise LNA:  1dB
  • Temperature compensating LNAs

Benefits

  • Superior multipath signal rejection
  • Great out-of-band signal rejection
  • Excellent signal-to-noise ratio
  • Consistent response in all operating temperatures

The TW4721 is housed in a compact, magnetic or adhesive mount, IP67 compliant housing. The antenna can be ordered without the magnet. In such cases, the magnet is replaced with a plastic plug to provide a smooth under surface. A double sided tape can then be used to mount the antenna.

It is RoHS and REACH compliant.

For further details, please download the Datasheet.

Antenna

Architecture                                                  Wideband Dual Feed Patch Element

2 dB radiated power bandwidth (RHCP)           47 MHz

Antenna Gain (with 100mm ground plane)        4.5 dBic @ 1582.5MHz

Axial Ratio over full bandwidth                       <2dB typ. 3dB max. Polarization RHCP

Specifications

Mechanical:

Architecture: Dual, quadrature feeds
Size: 38mm x 38mm dia. x 14.3mm H
Weight: 50g
Enclosure: Radome and Base: ASA Plastic
Attachment Method: Magnetic or Adhesive
Environmental: IP67, REACH, and RoHS compliant

Electrical:

LNA Gain: 26 dB min
Supply Current: 10mA typ. 15mA max. @ 85°C
Supply Voltage: 1.8 to 16 VDC nominal (12VDC recommended max.)
Noise: 1 dB typ.
Axial Ratio at Zenith over full bandwidth: <2dB typ. ≤3dB max

 

For further details, please download the Datasheet.                      

Drawing

TW4721 GPS, GLONASS, Beidou, and Galileo signals (L1, G1, B1, B1 BOC, B12, E1) & SBAS antennaTW4721 GPS, GLONASS, Beidou, and Galileo signals (L1, G1, B1, B1 BOC, B12, E1) & SBAS antennaPerformance

The attached PDF contains graphical representation of the axial ratios, Phase Centre Variation (PCV) and gain patterns over elevation and rotation.

TW4721-Measurements.pdf

 

DownloadTW4721_Datasheet_Rev1_3.pdf

 

 

 

 

 

TW4721 measurementTW4721 measurement