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Tallysman Timing Antenna TW3740 / TW3742
Tallysman Timing Antenna TW3740 / TW3742
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TW3740/TW3742 Dual Feed GPS/GLONASS Timing Antenna

Item# TW3740/TW3742

The TW3740 and TW3742 multi-constellation GNSS timing antennas are especially designed for precision timing, industrial, agricultural, military, and other precision applications. View Full Description

Category: GNSS
Manufacturer: Tallysman Wireless
Manufacturer Number: TW3740/TW3742
Tallysman Wireless
 


 
 
 
 

TW3740 / TW3742 Dual Feed Multi-Constellation Timing Antenna  

The TW3740 and TW3742 multi-constellation GNSS timing antennas are precision high-gain GNSS antennas covering the BeiDou B1, Galileo E1, GPS L1, GLONASS L1 and SBAS (WAAS, EGNOS, QZSS & MSAS) frequency band (1557 to 1606 MHz).
 
These antennas employ Tallysman’s unique Accutenna™ technology to provide truly circular polarized signal reception through the entire bandwidth of the antenna for superior multipath signal rejection. The TW3740 features a three stage low-noise amplifier,  comprised of one input LNA per feed, a mid section SAW to filter the combined output, and a final output gain stage. An optional tight pre-filter is available on the TW3742 to protect against saturation by high level sub-harmonic and L-Band signals.
 
The TW3740/TW3742 is housed in a permanent mount metal base with two nickel coated nuts and a weather-proof enclosure. Two options for mounting are available: an L-bracket (P/N#23-0040-0) or a pipe mount (P/N#23-0065-0).
 
The TW3740 and TW3742 are especially designed for precision timing, industrial, agricultural, military, and other precision applications.
 
APPLICATIONS
  • High Accuracy & Mission Critical Global Positioning
  • Timing applications
  • Precision Agriculture, Mining & Construction
  • Military & Security
  • Avionics
  • Law Enforcement & Public Safety
  • Fleet Management & Asset Tracking
 FEATURES
  • Great axial ratio: 1 typ., 3 dB max
  • Low noise LNA: =1 dB
  • High rejection SAW filter
  • LNA gain: 40 dB typ.
  • Low current: 15 mA typ.
  • Wide voltage input range: 2.5 to 16 VDC
  • IP67 weather proof housing
BENEFITS
  • Excellent multipath signal rejection
  • Increased system accuracy
  • Excellent signal to noise ratio
  • Great out of band signal rejection
  • Ideal for harsh environments
  • RoHS compliant