Powerful portable 28-band signal jammer 5G / 4G / 3G / 2G / WiFi 2.4G / 5G / GPSL1-L5 UHF / VHF / Lojack etc.

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The latest model of portable jammer with new 5G network 3400-3600 MHz and 5G: 4800-5000MHz. Personal portable powerful jammer of complete signal GSM, 3G, 4G 5G and CDMA 450 MHz, Block GPS, Glonass, Beidou, Wi-Fi 2.4G, Wi-Fi 5G, Wi-Fi 6E, Walkie-Talkie UHF/VHF and RF signals such as 315, 433, 868, 915, LORA, LOJACK etc. Built-in omnidirectional 360° coverage with high gain without dead angle.
Built-in rechargeable lithium battery, battery life up to 1.5 hours.

Availability In stock (2 pcs)
Delivery to:
03/03/2026
Code: J28
€1 484,43 €1 226,80 excl. VAT
Powerful portable 28-band signal jammer 5G / 4G / 3G / 2G / WiFi 2.4G / 5G / GPSL1-L5 UHF / VHF / Lojack etc.
Not rated
1000X1000 3
New
99.9% of goods in stock
99.9% of goods in stock
shipping within the next day
shipping within the next day
personal pick-up option
personal pick-up option

New design with perfect cooling, LCD display of battery capacity (capacity percentage, working voltage/current), 28W jamming up to 25m.
Main technical features

Jamming signal type: Full band 5G/4G/3G/2G + WiFi 2.4G/5G+ GPSL1-L5 UHF/VHF/LOJACK+RC433 315 868+LORA+FM radio + WiFi6E

Output power: total 28W, 1W per band with high gain omnidirectional antennas

Jamming range: 2-25 meters. It still depends on the signal strength in the area.

Power supply: 110-240V AC to 12V DC

Cooling system: high-performance aluminum alloy heat sink, built-in 4x cooling fans

Operating time: Built-in battery: 7.4V / 12,000mAh Battery life: about 80 minutes

Product dimensions: 210x133x85mm (without antenna)

Product weight: about 3.0kg

Package contents: 1x jammer, 27x omnidirectional antenna, 1x AC charger, 1x car charger

Dimensions of additional carrying case: 340 x 330 x 140mm, 2.0kg

Product description:
The new larger heat sink with 4 fans is designed as a portable 28-band universal wireless signal jammer with 27 antennas, jamming all kinds of phones, tablets, smartphones, iPhones, Windows phones, etc., shielding GSM, 3G, 4G 5G and CDMA 450MHz, blocking GPS, Glonass, Beidou, Wi-Fi 2.4G, Wi-Fi 5G, Wi-Fi 6E, UHF/VHF transceivers and radio frequency signals such as 315, 433, 868, 915, LORA, LOJACK, etc. It also has a 88-108MHz FM radio switch and a spacious LCD display with battery capacity (capacity percentage, working voltage/current), which is popular in the market.

Advantages:

Portable jammer with 28 bands and 27 antennas, blocking FM radio and Wi-Fi 6E and all 5G 4G 3G 2G mobile phones. LORA LOJACK GPS Wi-Fi RF Signals

High output power 28W, interference range from 2 to 25 meters (at -75 dBm, depending on the signal strength in the area)

Good cooling system with 4 fans inside and larger cooling system for longer operating time.

You can turn on/off any signal band with the DIP switch without affecting other bands.

With DC12V car charger, AC power is also available

With built-in battery, rechargeable, can work for 80 minutes

LCD display with battery capacity (capacity percentage, working voltage/current)

Safe packaging and manual wiring option

Key technical specifications: J28 FM radio&Wi-Fi6E Jammer for Worldwide

Channel

Output port

Frequency range

Average out-putting power

CH 1

VHF/LOJACK

135-175MHz

30±1dBm/ 1±0.2W

CH 2

5G600

617-698MHz

30±1dBm/ 1±0.2W

CH 3

5G3700

3600-3900MHz

30±1dBm/ 1±0.2W

CH 4

3G2100

2110-2180MHZ

30±1dBm/ 1±0.2W

CH 5

RC-868

868MHz

30±1dBm/ 1±0.2W

CH 6

WIFI5.2G802.11.a

5100-5500MHz

30±1dBm/ 1±0.2W

CH 7

4G2600

2620-2690MHZ

30±1dBm/ 1±0.2W

CH 8

4G800

790-826MHz

30±1dBm/ 1±0.2W

CH 9

FM Radio

80-108MHz

30±1dBm/ 1±0.2W

CH 10

RC-433

433-434MHz

30±1dBm/ 1±0.2W

CH 11

4G700

700-803MHz

30±1dBm/ 1±0.2W

CH 12

GPSL1

1560-1610MHz

30±1dBm/ 1±0.2W

CH 13

LORA/RC915

900-930MHz

30±1dBm/ 1±0.2W

CH 14

4G2500

2500-2620MHz

30±1dBm/ 1±0.2W

CH 15

GPSL2L3L4L5

1170-1390MHz

30±1dBm/ 1±0.2W

CH 16

CDMA850

851-894MHZ

30±1dBm/ 1±0.2W

CH 17

4G1700

1710-1780MHz

30±1dBm/ 1±0.2W

CH 18

WIFI 6E 802.11ax

5925-6425MHz

30±1dBm/ 1±0.2W

CH 19

RC-315

315MHz

30±1dBm/ 1±0.2W

CH 20

GSM900

925-960MHz

30±1dBm/ 1±0.2W

CH 21

DCS1800

1805-1920MHz

30±1dBm/ 1±0.2W

CH 22

WIFI2.4G802.11.b &g

2400-2500MHz

30±1dBm/ 1±0.2W

CH 23

WIFI5.8G802.11.a

5500-5900MHz

30±1dBm/ 1±0.2W

CH 24

5G3300/3500

3300-3600MHZ

30±1dBm/ 1±0.2W

CH 25

UHF&CDMA450

400-470MHz

30±1dBm/ 1±0.2W

CH 26

5G1500

1427-1518MHz

30±1dBm/ 1±0.2W

CH 27

PCS1900

1920-2000MHz

30±1dBm/ 1±0.2W

CH 28

4G2300

2300-2400MHz

30±1dBm/ 1±0.2W

 

Notice

Sale of radio signal jamming devices is possible to customers who will use them in countries where their operation is permitted. The Czech Republic, the remaining European Union countries and Switzerland are not among these countries.

The use of radio devices is regulated by the Regulation of the Government of the Czech Republic 426/2016 Coll., on the assessment of conformity of radio devices when they are placed on the market, dated 14.12.2016.

According to paragraphs 4 and 5 of Annex No. 1 to the Regulation of the Government of the Czech Republic 426/2016 Coll., this Regulation does not apply, among others, to:

Custom-made development kits intended for professionals exclusively for use for these purposes in research and development facilities.
Radio devices exclusively used for activities related to public safety, defense, state security, and state activities in the field of criminal law.
If you do not meet any of the legislative exemptions, or if you are not purchasing these devices for the purpose of exporting them to countries outside the EU, the sale of radio signal jamming devices is prohibited. If you have any questions or doubts in this regard, do not hesitate to contact us by phone or otherwise.

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