High quality Signal Jammers for sale at the most competitive prices. Free Worldwide Shipping, 1 Year Warranty

12 Bands Wall-Mounted 5G cell Jammer Exam room Jamming device full-band wifi bluetooth signal blocker Router Style Hidden built-in antenna jammer UHF VHF Low-frequency jammer

DJ-L12 - 12 Bands Router Style Wall-Mounted Exam room cell Jammer

    $
  • 587.54
  • $876.00

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SKU:
  • DJ-L12
  • Free worldwide shipping, shipped within 3 days ( Configure the jammer ), delivered within 12 days
  • 1 year warranty
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Found a better price elsewhere? We'll match or beat it! (Contact US) At JammerMFG, we guarantee the best value for your money — We are not talking about low-grade consumer jammers that fail in days.

No Hidden Fees – What You See Is What You Pay

Under current U.S. tariff policies, there are no extra charges added to your order for this product—unless specifically noted otherwise for certain Large desktop signal Jammers. The price you see already includes all taxes and fees, so you can shop with confidence.

Frequency and power plug are configured according to your regional standards.

DJ-L12 is a 12-band router-style 5G Cell jammer designed for reliable operation in exam halls, offices, and secure environments. The device features built-in omnidirectional antennas, offering wide-range jamming performance while maintaining a discreet router-like appearance.

Powered by AC 110–240V, the DJ-L12 effectively blocks Wi-Fi, 3G, 4G, and 5G mobile signals within a 15–40 meter radius, depending on environmental conditions. It generates controlled interference to create a white noise field, preventing wireless communication and ensuring a quiet, disturbance-free zone.

The jammer integrates an advanced cooling system with a large rear fan and an oversized aluminum heat sink, ensuring continuous and stable operation without overheating. The eco-friendly electromagnetic emission level remains far below national safety standards, guaranteeing no impact on human health during long-term use.

With 12 LED status indicators, a durable wall-mount design, and a convenient rear handle, the DJ-L12 combines efficiency, safety, and user convenience — making it an excellent choice for exam supervision, data protection, and signal control applications.

Channel Band/Protocol Frequency Range Output Power
CH 1VHF / LOJACK135–175 MHz5 W
CH 25G600617–698 MHz5 W
CH 35G37003600–3900 MHz5 W
CH 43G21002110–2180 MHz8 W
CH 5Wi-Fi 5.2 GHz (802.11a)5100–5500 MHz5 W
CH 64G WiMAX Sprint2500-2700 MHz8 W
CH 74G LTE USA iPhone (AT&T & Verizon)700 - 800 MHz8 W
CH 8GPS L11560–1610 MHz5 W
CH 9GPS L2/L3/L4/L5 or UHF & CDMA4501170–1390 MHz or 400–470 MHz5 W
CH 10DCS / PCS1800-2000 MHz8 W
CH 11Wi-Fi 2.4 GHz (802.11b/g)2400–2500 MHz5 W
CH 12Wi-Fi 5.8 GHz (802.11a)5500–5900 MHz5 W

Silencer specifications:

Power Output: 72W total output power ensures stable and efficient jamming performance

Dimensions: 430x340x84mm, compact design for easy wall or ceiling installation

Weight: 4 kg, sturdy and durable metal construction

Warranty: Backed by a 1-year manufacturer’s warranty for quality assurance and reliable performance

Unlike standard Jammers, the DJ-L12 provides extended frequency support, capable of blocking not only common Wi-Fi, 3G, 4G, 5G and GPS signals but also low-frequency bands such as UHF, VHF, and LoJack.