The NSB-J8 desktop 4G LTE signal jammer uses the latest built-in jamming antenna technology, with a stylish white and durable plastic shell that can be perfectly integrated into any indoor environment (such as examination rooms, conference tables, bookshelves, offices, etc.).
This device can be used by plugging into a 220V power supply without additional settings. It also has 8 independent RF channels, which can simultaneously block mainstream wireless signals such as GSM, 3G, 4G LTE, WiFi and Bluetooth, effectively covering an area with a diameter of up to 20 meters.
🔧 Core functional features:
- Full-band coverage
Block common cellular communications (CDMA / PCS 1900 / 3G 2100 / LTE bands), WiFi (2.4GHz), Bluetooth, and wireless camera transmission signals. - Wireless monitoring and monitoring shielding
It can effectively interfere with hidden wireless cameras, recorders, Bluetooth eavesdropping devices, etc., prevent sneak shots and recordings, and ensure the privacy of conversations and activities. - 8-channel independent RF path
Accurately output interference signals, no interference with each other, to ensure stability and interference effect. - Plug and play, easy deployment
Plug in a 220V power supply and use it without additional settings. The indicator light shows the operating status of the device, and the operation is intuitive. - Applicable to a variety of environments
Applicable to all scenarios where wireless interference is required, such as examination rooms, conference rooms, religious places, museums, schools, libraries, offices, etc.
📡 Interference frequency band list:
| Signal type | Frequency range (MHz) |
|---|---|
| GSM 900 | 925 – 965 |
| DCS 1800 | 1800 – 1880 |
| 3G UMTS | 2100 – 2170 |
| WiFi & Bluetooth | 2400 – 2510 |
| LTE Band 20 | 780 – 830 |
| LTE Band 38 | 2570 – 2620 |
| LTE Band 40 | 2300 – 2400 |
| LTE Band 7 | 2620 – 2690 |
📦 Product parameters:
- Interference radius: up to 20 meters (depending on the signal strength on site)
- Antenna configuration: 8 built-in antennas
- Power supply: AC 220V
- Size: 265 × 235 × 65 mm
- Weight: 1.2 kg
- Battery: No built-in battery, need to be connected to a power source
- Device indicator: With operating status indicator
📁 Package contents:
- NSB-J8 signal jammer × 1
- Power cord × 1
- Instructions × 1
⚠️ Warm tips:
- Please use this device legally and in compliance with regulations. It is strictly forbidden to interfere with public communication networks.
- This product is recommended for use in specific authorized places or approved safe areas.
- It is not recommended to use in medical equipment or emergency communication environments.
