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Item #: HC843

HC843 Active Dual-Band GNSS + Passive Iridium Helical Antenna

Weighing only 42 g, The the lightweight and compact HC843 from Tallysman features a precision-tuned helix element that provides excellent axial ratios and operates without the requirement of a ground plane, making it ideal for a wide variety of applications, including unmanned aerial vehicles (UAVs).

SKU: 33-HC843 Categories: , Manufacturer: Tallysman Wireless

Tallysman HC843 Active Dual-Band GNSS + Passive Iridium Helical Antenna

The HC843 helical antenna from Tallysman is designed for precision positioning, covering the GPS/QZSS-L1/L2, GLONASS-G1/G2, Galileo-E1, and BeiDou-B1 frequency bands, including SBAS available in the region of operation [WAAS (North America), EGNOS (Europe), MSAS (Japan), or GAGAN (India)]. The HC843 is switchable between the passive Iridium and the active GNSS antenna: an input voltage lower than 5.2 VDC engages the GNSS antenna, while an input voltage of 5.5 VDC and above invokes the passive Iridium antenna. The HC843 features low current, low-noise amplifier (LNA) that includes an integrated low-loss pre-filter to prevent harmonic interference from high-amplitude signals, such as 700 MHz band LTE and other nearby in-Band cellular signals.

Features

  • Low noise preamp (3.0 dB typ.)
  • Axial ratio (≤ 0.5 dB at zenith)
  • LNA gain (25 dB typ. | 24 dB min.)
  • Low current (GNSS: 23 mA typ. | Iridium: 3.6 mA typ.)
  • ESD circuit protection (15 kV)
  • Invariant performance from 2.5 to 16 VDC
  • GNSS-mode: 2.5 to 5.0 VDC
  • Iridium-mode: 5.5 to 16 VDC
  • IP67, REACH, and RoHS compliant

Benefits

  • Extremely lightweight (42 g)
  • Ideal for RTK and PPP surveying systems
  • Great multipath rejection
  • Increased system accuracy
  • Excellent signal-to-noise ratio
  • Industrial temperature range
  • Rugged design, ideal for harsh environments

HC843 Mechanical Drawing

All dimensions denote millimeters

HC843 Active Dual-Band GNSS + Passive Iridium Helical Antenna Datasheet

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