HC977 Triple-Band Helical Antenna with L-Band

Name: HC977 Triple-Band Helical Antenna with L-Band
Brand: Calian

High-Precision GNSS Antenna for Demanding Applications

Calian HC977 Triple-Band GNSS Helical Antenna is designed for precision GNSS positioning, supporting GPS, GLONASS, Galileo, BeiDou, NavIC, and L-Band correction services. Weighing only 42 grams, it delivers excellent axial ratios and does not require a ground plane, making it ideal for UAVs, fleet management, and mission-critical GNSS applications. Its robust IP69K-rated enclosure ensures reliable performance in harsh environments.

Datasheet

Download Product Specs

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):

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
44.2 mm (dia.) x 62.4 mm (h.)

Weight 42 g

Radome 3x M2.5 screws

Mount SMA (male)

Available Connectors Radome and Base: EXL9330
Extremely lightweight (42 g)

Ideal for RTK and PPP surveying systems

Excellent RH circular polarized signal reception

Great multipath rejection

Increased system accuracy

Excellent signal-to-noise ratio

Industrial temperature range

Rugged design, ideal for harsh environments

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)

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	44.2 mm (dia.) x 62.4 mm (h.)
Weight	42 g
Radome	3x M2.5 screws
Mount	SMA (male)
Available Connectors	Radome and Base: EXL9330