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 |
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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:
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Consumer Drones (DJI, Autel, etc.):
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Control Signals: 2.4 GHz (common for remote control) + 5.8 GHz (video transmission).
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GPS/GNSS: 1.176–1.6 GHz (L1/L2 bands for navigation).
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Risk: Basic jamming may fail against newer models with frequency-hopping (e.g., DJI OcuSync 3.0).
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Cellular-Connected Drones:
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LTE/5G: 700 MHz–3.8 GHz (varies by region; e.g., 4G bands 1-85, 5G n77/n78).
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Risk: These drones bypass traditional RF jamming by using cellular networks for control.
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Military/Encrypted UAVs:
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Custom Bands: Often use spread spectrum, encrypted SATCOM, or proprietary frequencies (e.g., 900 MHz–6 GHz).
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Risk: Require wideband or programmable jammers to disrupt encrypted links.
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Action Steps:
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Request a Threat Assessment: Reputable suppliers analyze your location (e.g., urban vs. battlefield) and likely drone models.
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Use Spectrum Analyzers: Detect active frequencies in your area to pinpoint vulnerabilities.
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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 |
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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 |
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Urban Security: 2.4 GHz + 5.2 GHz + 5.8 GHz (blocks 100% of DJI drones).
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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:
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Signal-Switching Simulations:
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Launch a drone that cycles through 2.4 GHz → 5.8 GHz → LTE when jammed.
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Verify the jammer detects and responds to frequency shifts in <1 second.
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Range & Obstruction Tests:
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Open Field: Measure max effective range (e.g., 500m–2km).
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Urban Environment: Test penetration through walls or interference from Wi-Fi/cell towers.
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Multi-Drone Swarms:
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Deploy 5–10 drones with mixed protocols (RF + cellular + GPS).
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Check if the jammer can prioritize high-risk targets.
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Critical Metrics:
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Reaction Time: How quickly the jammer neutralizes a new signal.
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Battery Life: For portable units, ensure >1 hour at full power.
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False Positives: Avoid disrupting legitimate signals (e.g., emergency LTE bands).
FAQs
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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. -
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. -
How quickly can your jammers adapt to new frequencies?
A: Systems with real-time spectrum analysis auto-adjust in <0.5 seconds. - What power output is needed for long-range jamming?
Range | Power Requirement | Use Case |
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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?
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Software-Upgradable Modules: SDR-based jammers with firmware updates.
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Modular Design: Add bands (e.g., 5G mmWave) as threats evolve.
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AI Integration: Machine learning to predict and block new protocols.