HC872
HC872 Dual Band Helical Antenna + L-band
Frequency Coverage: L1/L2/G1/G2/E1/B1 + L-band
Overview
The lightweight HC872 helical antenna, which covers
the GPS L1/L2, GLONASS G1/G2, Galileo E1, and BeiDou
B1 frequency bands, as well as L-band correction
services coverage, is designed and crafted for precision
positioning.
Weighing 37 g, the lightweight HC872 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).
The HC872 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.
The HC872 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 two threaded holes in the base for secure
attachment of the unit.
Applications
• Autonomous, Unmanned Aerial Vehicles
• Precision GPS positioning
• Dual Frequency RTK receivers
• Mission-critical GPS timing
• Military & security
• Network timing and synchronization
Features
• Very low noise preamp, 2 dB
• Axial ratio: 36 dB
< 1450 MHz > 32 dB
> 1700 MHz > 45 dB
L2/G2:
< 1100 MHz > 35 dB
< 1190 MHz > 47 dB
< 1350 MHz > 48 dB
Gain ������������������������������������������� 35 dB typ. 33 dB min. or
28 dB typ. 26 dB min.
Noise Figure ��������������������������� 2 dB typ.
VSWR �����������������������������������������
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