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Item #: HC771

HC771 Single Band Helical Antenna

$139.00

The Tallysman HC771 is a lightweight single band helical antenna covering GPS/QZSS L1, GLONASS G1, Galileo E1, and BeiDou B1 frequency bands, as well as SBAS (WAAS, EGNOS & MSAS).

SKU: 33-HC771-28 Categories: , Manufacturer: Tallysman Wireless

Tallysman HC771 Single Band Helical Antenna

Ideal for a wide variety of applications including Unmanned Aerial Vehicles (UAVs), the lightweight Tallysman HC771 weighs only 24 grams with a precision-tuned helix element that provides excellent axial ratios and operates without the requirement of a ground plane.

The HC771 features an industry-leading low current, Low Noise Amplifier (LNA) that includes an integrated low-loss pre-filter to protect against harmonic interference from high amplitude interfering signals, such as 700 MHz band LTE and other near in-band cellular signals. It is protected by a robust, military-grade plastic enclosure with an integrated SMA connector for screw-on mounting that securely seals the unit with an O-ring, complying with IP67 standards. The enclosure also provides three threaded holes in the base for secure attachment of the unit.

Features

  • Very low noise pre-amp, 2.5 dB
  • Axial ratio: <= 2 dB max.
  • LNA gain 28 dB typ.
  • Low current: 12 mA typ.
  • ESD circuit protection: 15 kV
  • Invariant performance from: +2.5 to 16 VDC

Benefits

  • Extremely Lightweight (24 g)
  • Ideal for L1 RTK surveying systems
  • Great multipath rejection
  • Increased system accuracy
  • Excellent signal to noise ratio
  • IP67, REACH, and RoHS compliant

 

HC871 Drawing

Tallysman HC771 Single Band Helical Antenna Data Sheet

Tallysman Connector and Cable Options

Tallysman offers a number of connector and cable options for its antennas. Use the guide below to find the available options for your antenna or contact us for help.

Tallysman Part Number Ordering Guide

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