4-element antenna with ultra strong anti-interference ability SLA-4B1L1-130

An Anti-Jamming Antenna is a specialized solution designed to counteract intentional signal interference, ensuring uninterrupted operation of GPS/GNSS navigation and communication systems. By leveraging advanced adaptive nulling and spatial filtering technologies, these antennas detect and suppress jamming signals—including single-tone, swept-frequency, pulsed, and broadband noise—protecting critical positioning, timing, and velocity data.

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Technical Specifications

Performance

Parameter		Index	Remarks
Operating frequency		BDS B1I /GPS L1
Operating mode		Single-mode or dual-mode joint positioning	Support single BDS or GPS positioning
Navigation Port		232 serial port, output navigation information (customized protocol or standard NMEA protocol)	Connector J30J-9zkp
Debug Port		Debug port RS-232
Data update rate		1~10Hz
Serial port rate		115200	Up to 614400 configurable
Data Output		≤2s
Power supply		DC 9～36V±10%
Power consumption		≤18W
Static Accuracy		Horizontal: Better than 5m (1σ) Vertical: Better than 8m (1σ)	1. If it is single GLO G1 positioning, the positioning accuracy and speed accuracy will decrease. The degree of decrease is related to the number of GLO satellites that can be received. 2. Can support higher speed and altitude according to needs.
Dynamic Precision		Horizontal: Better than 8m (PDOP≤4, 1σ) Vertical: Better than 12m (PDOP≤4, 1σ) Speed: 0.50m/s (PDOP≤4, 1σ)
Dynamic Index		Speed: 0 m/s～2500m/s Acceleration: -30g～+30g Height: -500m～100000m
Cold Start		＜ 50s
Hot Start		＜8s	Support hot start after power off
Lost - reaquisition		＜ 2s (lock loss ＜15 s)
PPS		1Hz pulse width 1ms 3.3V	Rising Edge Triggered
Anti-interference performance	Standard Version	Single Interference Resistance	Broadband interference SIR≥115dB
		Triple Interference Resistance	Broadband interference SIR≥105dB
RF output characteristics		Supports RF output after anti-interference processing, which can be directly connected to a general GNSS receiver.	The function is disabled by default and can be enabled according to user requirements.
Storage temperature		-55℃～+60℃
Operating temperature		-40℃～＋70℃

Frequency points can be customized according to customer requirements

Product Description

Why Use an Anti-Jamming Antenna?

Jamming threats are escalating across military, commercial, and civil applications. Our antennas provide robust defense against interference, enabling reliable performance in high-stakes environments.

The SLA-4B1L1-130 anti-interference antenna receiver integrates a 4-element antenna array anti-interference and high-dynamic receiver, which can receive BDS B1I and GPS L1 frequency signals and can meet the technical requirements of various high-dynamic carriers and applications. The integrated design of antenna excitation, RF, anti-jamming module, satellite receiver base-band, and computation is realized in a very small volume and meets the needs of high-reliability and low-cost applications.

The product is mainly used for real-time output of spatial positioning, timing, and velocity information of the platform, with the capability to resist various types of suppression interference, including but not limited to single carrier, sweep, pulse, wide-band modulation, saw-tooth wave, triangle wave, and their combinations.

Poseidon Innovative & Comprehensive Drone Technology Solutions
Redefining Precision, Efficiency, and Safety

UAVs (Unmanned Aerial Vehicles)

Ensuring precise positioning and navigation in dynamic environments.

Aerospace Industry

Providing reliable navigation and timing data for mission-critical operations.

Marine Navigation

Delivering accurate real-time spatial positioning and velocity data for safe voyages.

High-Mobility Platforms

Supporting autonomous vehicles and defense systems with precision and anti-jamming capabilities.

Defense and Military Systems

Ensuring accurate positioning in high-jamming environments.

Timing Solutions

Providing precise timing for communications and synchronization systems.

Surveying and Mapping

Enabling accurate spatial data collection for geospatial applications.

Drone Inspection Automated Processing Technology

Autonomous Vehicles

Ensuring reliable navigation for self-driving cars and robotics.