SBG Systems Stellar-40
Precision Navigation, Inertial Sensing & AI Systems for Drones and Autonomous Robotics
AI-C8L18L5 Dual-frequency anti-jamming antenna for small UAS
AI-C8L18L5

Dual-frequency anti-jamming antenna for small UAS

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AI-C8L18L5

AI-C8L18L5 protects B1/L1 and L2 navigation signals using separate eight-channel antenna arrays operating at 1568 ±10 MHz and 1227 ±10 MHz. The dual-frequency architecture processes each band independently before passing cleaned RF outputs to the GNSS receiver, providing anti-jamming capability in a compact package for small UAS and other SWaP-limited platforms.

Array processing can suppress up to seven simultaneous sources per band, including wideband, narrowband, multitone, swept-frequency and pulsed interference.

Specifications:

Dimensions 230 × 230 × 52 mm
Weight 1,400 ±20 g
Power consumption <29 W
Input voltage 9 to 32 V DC; 24 V nominal
B1/L1 frequency 1,568 ±10 MHz
L2 frequency 1,227 ±10 MHz
Maximum jammer count 7 per frequency band
B1/L1 suppression 1 jammer: ≥110 dB 3 jammers: ≥95 dB 6 jammers: ≥90 dB 7 jammers: ≥85 dB
L2 suppression 1 jammer: ≥105 dB 3 jammers: ≥90 dB 6 jammers: ≥80 dB 7 jammers: ≥75 dB
Antenna output power -50 to -70 dBm
Interfaces 1 × RS-232 1 × SMA RF output
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