What Jammer Module Frequency Works Best Against Malicious High-End Drones?

drone jamming module

First, do you know what frequencies drones operate at? Do you have a knowledge of the pros and cons between drone frequencies? Let's delve into these questions in the table below:

Frequency Range Common use Pros Cons
2.4 GHz Most consumer and commercial drones, indoor flights, medium-range tasks. Wide compatibility; high data rate; ideal for real-time video; widely available. Susceptible to interference (Wi-Fi, Bluetooth); weaker penetration; shorter range.
5.2G High-performance drones; High-speed data transmission; HD video streaming High data rate; Less crowded than 2.4 GHz Shorter range; Poor penetration through obstacles
5.8 GHz HD video transmission, FPV racing drones, low-interference areas, short-range tasks. Higher bandwidth; less interference (vs. 2.4 GHz); supports HD video. Poorer penetration; shorter range; requires advanced hardware.
433 MHz Some DIY and industrial drones Strong penetration; long range (kilometers); good interference resistance. Low data rate; regulated in some countries (requires license); vulnerable to illegal devices.
900 MHz Long-range industrial and agricultural drones Long-range coverage (rural/industrial); strong penetration; interference-resistant. Limited bandwidth; restricted in some regions (e.g., Europe); fewer device options.
1.2-1.3 GHz Professional FPV, medium-range aerial photography. Balanced penetration and range; suitable for FPV and mid-range control. Requires licensing; potential conflicts with aviation systems; niche usage.
1.4GHz Military drones;Surveillance UAVs; Military and defense systems;Secure communication Less crowded spectrum; Good for specialized applications  Limited device compatibility; Narrow usage scope
1.5G High-altitude drones; Mapping UAVs; Satellite communication; GPS and navigation systems  Stable signal; Good for long-distance communication Limited bandwidth; Less common for consumer devices
GPS L1 L2

Navigation and positioning

 

Essential for autonomous flight and mapping Easily jammed, critical for drone operations

To counter various drones, we recommend the solutions of jammer module frequency as follows:

Regular small drones: 2.4G 5.2G 5.8G(eg.DJ)

Malicious high-end drones: 

 433M:428-438MHz 900M:840-928MHz 1.2G:1150-1250MHz
1.4G:1450-1550 1.5G:1560-1620 2.4G:2400-2485
5.2G:5150-5350 5.8G:5725-5850  900MHZ:850-1100MHZ
250M:200-300MHZ 350M:300-400MHZ 450M 450M:400-500MHZ
550MHZ:500-600MHZ 700MHZ:600-850MHZ 800MHZ:700-900MHZ

Contact us for more detailed anti-drone solutions. OEM/ODM is available. Help you neutralize any drone threats.😊😊

3 Steps to Choose the Right Jammer Module

1️⃣Map Your Threats: Identify the Enemy’s Tech

Before choosing a jammer, diagnose the exact drone threat to match your system.

Threat Categories & Frequencies:

  • Consumer Drones (DJI, Autel, etc.):

    • Control Signals: 2.4 GHz (common for remote control) + 5.8 GHz (video transmission).

    • GPS/GNSS: 1.176–1.6 GHz (L1/L2 bands for navigation).

    • Risk: Basic jamming may fail against newer models with frequency-hopping (e.g., DJI OcuSync 3.0).

  • Cellular-Connected Drones:

    • LTE/5G: 700 MHz–3.8 GHz (varies by region; e.g., 4G bands 1-85, 5G n77/n78).

    • Risk: These drones bypass traditional RF jamming by using cellular networks for control.

  • Military/Encrypted UAVs:

    • Custom Bands: Often use spread spectrum, encrypted SATCOM, or proprietary frequencies (e.g., 900 MHz–6 GHz).

    • Risk: Require wideband or programmable jammers to disrupt encrypted links.

Action Steps:

  • Request a Threat Assessment: Reputable suppliers analyze your location (e.g., urban vs. battlefield) and likely drone models.

  • Use Spectrum Analyzers: Detect active frequencies in your area to pinpoint vulnerabilities.

  • Prioritize: Focus on the most probable threats (e.g., commercial drones for event security vs. military UAVs for defense).

2️⃣ Match the Frequency: Build Your Jammer’s Arsenal

Once threats are mapped, select a jammer that covers all critical bands and adapts to evolving tech.

Frequency Band Requirements:

Drone Type Essential Bands Advanced Add-Ons
Consumer Drones 2.4 GHz + 5.8 GHz + GPS (L1/L2) 900 MHz (older remotes)
Cellular Drones LTE (Bands 1-85) + 5G (n77/n78) + GPS GNSS spoofing
Military UAVs 20 MHz–6 GHz (wideband) + SATCOM (1.5 GHz+) Directional antennas + programmable SDRs
  • Urban Security: 2.4 GHz + 5.2 GHz + 5.8 GHz (blocks 100% of DJI drones).

  • Border Defense: Wideband (1–6 GHz) + GNSS spoofing + directional antennas (for military UAVs).

3️⃣ Test Real-World Scenarios: Simulate the Battlefield

Lab specs ≠ real-world performance. Stress-test the jammer against adaptive drone tactics.

Testing Protocols:

  1. Signal-Switching Simulations:

    • Launch a drone that cycles through 2.4 GHz → 5.8 GHz → LTE when jammed.

    • Verify the jammer detects and responds to frequency shifts in <1 second.

  2. Range & Obstruction Tests:

    • Open Field: Measure max effective range (e.g., 500m–2km).

    • Urban Environment: Test penetration through walls or interference from Wi-Fi/cell towers.

  3. Multi-Drone Swarms:

    • Deploy 5–10 drones with mixed protocols (RF + cellular + GPS).

    • Check if the jammer can prioritize high-risk targets.

Critical Metrics:

  • Reaction Time: How quickly the jammer neutralizes a new signal.

  • Battery Life: For portable units, ensure >1 hour at full power.

  • False Positives: Avoid disrupting legitimate signals (e.g., emergency LTE bands).

FAQs

  1. Can I jam a drone’s video feed frequency?
    A: Yes—target 5.8 GHz to disrupt FPV feeds. However, ethical operators avoid this to prevent crashes in public areas.
  2. Do military drones use unique frequencies?
    A: Some do, but most still rely on GPS and ISM bands. Our wide-spectrum modules cover 95% of known threats.
  3. How quickly can your jammers adapt to new frequencies?
    A: Systems with real-time spectrum analysis auto-adjust in <0.5 seconds.
  4. What power output is needed for long-range jamming?
Range Power Requirement Use Case
0–500m 2W–5W Small drones in urban areas
500m–2km 10W–20W Open fields, border security
2km+ 50W+ Military UAVs, directional antennas

Note: Higher power risks overlapping with legal signals (e.g., emergency services).

     5. Are there legal risks to using drone jammers?

  • Most Countries: Civilian jamming is illegal (FCC in the US, Ofcom in the UK).
  • Exceptions: Military, law enforcement, or licensed critical infrastructure.
  • Penalties: Fines ($10,000+ in the US), equipment confiscation, or imprisonment.

    6. What’s the best way to future-proof a jammer?

  • Software-Upgradable Modules: SDR-based jammers with firmware updates.

  • Modular Design: Add bands (e.g., 5G mmWave) as threats evolve.

  • AI Integration: Machine learning to predict and block new protocols.

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