Tallysman HC977E Embedded Triple-Band Helical Antenna with L-band

The lightweight HC977E Embedded helical antenna is designed and crafted for precision positioning and covers the GPS/QZSS-L1/L2/L5, GLONASS-G1/G2/G3, Galileo-E1/E5a/E5b, and BeiDou-B1/B2/B2a frequency bands, as well as L-band correction services.

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The lightweight HC977E Embedded triple-band helical antenna is designed and crafted for precision positioning and covers the GPS / QZSS – L1 / L2 / L5, GLONASS – G1 / G2 / G3, Galileo – E1 / E5a / E5b, and BeiDou – B1 / B2 / B2a frequency bands, as well as L-band correction services.

Features

Very low noise preamp: 1.6 dB
Axial ratio: ≤ 0.5 dB at zenith
LNA gain 28 dB typ. or 35 dB typ.
Low current: 15 mA typ. or 21 mA typ.
ESD circuit protection: 15 kV
Invariant performance from 2.2 to 16 VDC
IP67, REACH, and RoHS compliant

Benefits of the HC977E Embedded Triple-Band Helical Antenna

Extremely lightweight (12 g)
Ideal for L1 / L2 / L5, E1 / E5a / E5b RTK surveying systems
Great multipath rejection
Increased system accuracy
Excellent signal-to-noise ratio

Details

The HC977E is light weight (Just 12 g) and compact. It features a precision tuned helix element. As a result it provides excellent axial ratios while operating without the need of a ground plane. It is ideal for a variety of uses such as UAVs.

The HC977E 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.

Tallysman’s provides an embedded helical antenna mounting ring that traps the outer edge of the circuit board to another circuit board or to any flat surface. To facilitate a successful installation and optimum antenna performance, Tallysman also provides an Embedded Helical Antenna Installation Guide.

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