HC977E Embedded Triple-Band GNSS Helical Antenna

High-Precision GNSS Antenna for Compact Applications

Calian HC977E Embedded Triple-Band GNSS Helical Antenna is designed for precision GNSS positioning, covering GPS, GLONASS, Galileo, BeiDou, NavIC, and L-Band correction services. Weighing only 8 grams, it delivers excellent axial ratios without requiring a ground plane, making it ideal for UAVs and other compact applications. With its low-noise amplifier and robust design, HC977E ensures reliable performance in challenging environments.

GNSS Coverage:

GPS / QZSS L1, L2, L5

GLONASS G1, G2, G3

Galileo E1, E5A, E5B

BeiDou B1, B2, B2a

IRNSS / NavIC L5

QZSS -

L-Band Services (1525 MHz - 1559 MHZ) 1.5 dBic typ. at Zenith (Gain)

Low Noise Amplifier (LNA):

Architecture Pre-filter → LNA

Gain 28 dB typ. | 35 dB typ.

Noise Figure 1.6 dB typ.

Supply Voltage Range 2.2 to 16 VDC

Supply Current 15 mA typ. (28 dB) | 21 mA typ. (35 dB)

Mechanicals:

Size
38.7 mm (dia.) x 49.7 mm (h.)

Weight 8 g

Radome Radome: ULTEM 2200, Base: Aluminum 6061-T6

Mount Helical mounting ring P/N 23-0220-0

Available Connectors MCX (female)
Extremely lightweight (8 g)

Ideal for L1/L2/L5, E1/E5a/E5b RTK surveying systems

Great multipath rejection

Increased system accuracy

Excellent signal-to-noise ratio

HC977E Embedded Triple-Band GNSS Helical Antenna

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GPS / QZSS	L1, L2, L5
GLONASS	G1, G2, G3
Galileo	E1, E5A, E5B
BeiDou	B1, B2, B2a
IRNSS / NavIC	L5
QZSS	-
L-Band Services (1525 MHz - 1559 MHZ)	1.5 dBic typ. at Zenith (Gain)

Architecture	Pre-filter → LNA
Gain	28 dB typ. \| 35 dB typ.
Noise Figure	1.6 dB typ.
Supply Voltage Range	2.2 to 16 VDC
Supply Current	15 mA typ. (28 dB) \| 21 mA typ. (35 dB)

Size	38.7 mm (dia.) x 49.7 mm (h.)
Weight	8 g
Radome	Radome: ULTEM 2200, Base: Aluminum 6061-T6
Mount	Helical mounting ring P/N 23-0220-0
Available Connectors	MCX (female)