fast shipping and no problems
    Equipment of good quality, very responsible seller and fast delivery. I recommend to all Alibaba community / AliExpress. I will definitely buy more units.
    Best seller,good transaction and fast delivery time
Contact Person : Amy Cheah
Phone Number : +86 134 1856 8064
WhatsApp : +8613418568064

2G 3G 4G 5G WIFI GPS LOJACK Signal Jammer Remote Control 25m

Place of Origin Guangdong, China
Brand Name EST
Certification CE, RoHS
Model Number EST-804K12-T
Minimum Order Quantity 1 piece
Packaging Details 1 pcs gift box for one device, neutral packing
Delivery Time 5-10 working days after received the full payment
Payment Terms Paypal, Western Union, T/T
Supply Ability 10000 sets per month

Contact me for free samples and coupons.

WhatsApp:0086 18588475571

Wechat: 0086 18588475571

Skype: sales10@aixton.com

If you have any concern, we provide 24-hour online help.

Product Details
Jamming Range Radius 1-25M (can Adjust According To Your Requirement, The Signal Strength Must Be ≤-75dBm In The Location) Antenna 12 Built-in Directional Antennas
Working Bandwidth(MHz) 12 Bands Including GSM/CDMA/DCS/PHS/3G/TD-SCDMA/WCDMA/4G/4G LTE/5G/2.4G WIFI/5.8G WIFI/GPS/LOJACK/WIRELESS CAMERAS And Etc. In Optional Power Supply AC 220V/ DC27V15A
Single Output Power(each Band) +35dBm / 3W Total Output Power 36W
Total Power Consumption 150W Host Weight 6KG
Dimension 400×300×110 Mm, Not Include Antenna Function Block GSM/CDMA/DCS/PHS/3G/TD-SCDMA/WCDMA/4G/4G LTE/5G/2.4G WIFI/5.8G WIFI/GPS Signal
Warranty 12 Months
High Light

GPS LOJACK Signal Jammer


WIFI LOJACK Signal Jammer


5m Remote Control Signal Jammer

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Product Description

Optional IoT Smart Management Software Control EST-804K12-T 12 Bands Cell Phone 2G 3G 4G 5G WIFI Signal Jammer 


1. Product Specification


* available TX frequency which can be adjusted and used in this 12 antenna jammer

(adjustable per customer request)

1st Channel: CDMA: 850-894MHz

2nd Channel: GSM: 925-960MHz

3rd Channel: DCS/PHS: 1805-1995MHz

4th Channel: GPS: 1500-1600MHz

5th Channel: 4G1: 758-830MHz

6th Channel: 4G2: 2496-2570MHz

7th Channel: WCDMA: 2110-2170MHz

8th Channel: 2.4G WIFI: 2300-2500MHz

9th Channel: 4G3: 2570-2690MHz

10th Channel: 5G1: 3300-3600MHz

11th Channel: 5G2: 4800-5000MHz

12th Channel: 5.8G WIFI: 5715-5860MHz


OEM is available for the frequency bands.


Product Name: Optional IoT Smart Management Software Control EST-804K12-T 12 Bands Cell Phone 2G 3G 4G 5G WIFI Signal Jammer
Model No.: EST-804K12-T
Color: White
MOQ: 1 piece

12 built-in directional antennas

Jamming Range:

Radius 1-25M【the Cellular signal must be ≤-75dBm in the location】

The jamming radius still depends on the strength signal in given area

Available System:

Worldwide cell phone 2G 3G 4G 5G & GPS & WIFI network

Single Output Power:

+35dBm / 3W, can be adjusted 

Total Output Power:


Working Power:

AC 220V / DC27V15A


400×300×110 mm not include antenna

Host Weight: 6kg
OEM: Available
Logo Printing: Available if the order quantity is large enough.
Packing: 1 pcs brown box for one device, neutral packing
Working Temperature:

-40℃ ~ +55℃

Relative Humility: ≤90%(RH)
Air Pressure: 86~106kPa


2. Application

▲ Various conference rooms, auditoriums, courts, libraries, examination rooms, schools, cinemas, opera houses;
▲ Gas stations, gas stations, oil and gas fields, oil and gas reservoirs;
▲ Government, military, prison, public security, command system and other places where mobile communication equipment is prohibited.


3. Features
1. It can effectively block 2G/3G/4G/5G mobile phone signal and GPS, 2.4+5.8GWIFI signal, and it can also be customized according to your requirements
2. Transmitting power: 3W per channel, 36W using imported power amplifier and IC.)
4. With standing wave protection technology, it is not easy to damage.
5. Heat dissipation system: high efficiency aluminum alloy large radiator with 5 cooling fans
6. Adopt high-efficiency whip long antenna
7. Optional IoT management software, can control the switch of the equipment through our intelligent jammer management system, can set the working hours(start time + end time) according to your need.


Library 808HI Portable Cell Phone Jammer GPS WIFI 3G Blocker 30dBm


3. Packing List

1). Multi functional signal jammer(main unit) 1 piece

2). Power adaptor(AC plug) 1 piece

3). User’s manual(depend on customer choice) 1 piece


4. Product Photos

2G 3G 4G 5G WIFI GPS LOJACK Signal Jammer Remote Control 25m 1

2G 3G 4G 5G WIFI GPS LOJACK Signal Jammer Remote Control 25m 2

2G 3G 4G 5G WIFI GPS LOJACK Signal Jammer Remote Control 25m 3

2G 3G 4G 5G WIFI GPS LOJACK Signal Jammer Remote Control 25m 4


For more details, please contact Amy via amy@szeastlonge.com / alina1013@foxmail.com or whatsapp +86 134 1856 8064, thank you!