KS12 Box multi-band cellular phone jammer (80W | GSM / 5G / WiFi / UHF / VHF Blocking)

$1381.59$838.60
  • SKU:KS12
Online store: In stock
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When you first look at the KS12, it's easy to wonder: why break down "multi-band processing" into such a structure instead of making it into a more common single output form? The reason is simple—different signals are not the same thing.

Our network blocker does not confuse all frequencies, it separates mobile networks ( Including 5g), WiFi, UHF, and VHF into independent working paths. Reason is simple: different signals behave differently, so forcing them into a single output usually means compromise somewhere. Anti-GSM signal jammer avoids that shortcut.

Inside the unit, airflow and heat dissipation aren’t an afterthought. These components work in conjunction with the metal casing and internal aluminum structure, while the rear panel features a perforated ventilation design to maintain stable performance even during extended operation. That’s the part people often overlook — until heat becomes the limiting factor.

Installation flexibility also matters more than it sounds. Desk placement, wall mounting (the best position is 2m), or bracket setup all work without forcing a fixed scenario. Considering real-world environments are rarely “perfect,” that flexibility ends up being more practical than it looks on paper.

Box-style metal housing for durability and EMI stability, supports multiple installation methods:

  • Desktop placement
  • Wall mounting
  • Bracket or rack installation

Cellular phone jammer's Technical Specifications

Shielding Range: 5-20m(If you feel the interference range is insufficient, you can choose the KS14 80m Directional 5G Mobile Cellular Jammer.)
Dimensions: 75 * 340 * 425 mm
RF Power: 30W-80W (depending on model)
Power Supply Voltage: Input AC110-240V, Output DC24V / 5A
Startup Time: <33 seconds (slow start protection)

Wireless signal jammers for desktop, wall-mounted and bracket installations
Category Frequency Range
2G (CDMA / GSM 900) 850 – 960 MHz
PCS 1800 1805 – 1880 MHz
3G (UMTS / WCDMA / TD-SCDMA / CDMA2000) 2110 – 2170 MHz
4G (700 MHz) 700 – 803 MHz
4G (2600 MHz) 2496 – 2690 MHz
5G 3.6G 3600 - 3800MHZ
5G Low Band (600 MHz) 617 – 698 MHz
WiFi 2.4G 2400 – 2500 MHz
WiFi 5.2G 5150 – 5350 MHz
WiFi 5.8G 5725 – 5850 MHz
VHF 135 – 175 MHz
UHF / Talkie Walkie 400 – 500 MHz

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