ChingKong Technology Co.Ltd

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Adjustable Power 3G 4G 8 Bands LOJACK Signal Jammer

The jammer is excellent, very sensitive and accurate, and the signal is stable and the jammer easy to use.

—— Kristeen Dermody

Excellent device. Works as advertised. The carrying case is well worth the money and also well made. Very happy with this purchase. I bought it for use in the classroom and i have found it to work amazing in so many other environments.

—— Tony Macke

The price is higher than other models, but perfect gadget I've ever seen. more powerful,Works well. Like it!

—— Michael Carcia

The design of this jammer is really different and nice. I like the design and its color..

—— Laumea

Professional manufacturers, providing OEM/ODM services, solved the problem of our tender,

—— William

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Adjustable Power 3G 4G 8 Bands LOJACK Signal Jammer

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Large Image :  Adjustable Power 3G 4G 8 Bands LOJACK Signal Jammer

Product Details:

Place of Origin: China
Brand Name: ChingKong
Model Number: CKJ-1703BT8-LG LOJACK Jammer

Payment & Shipping Terms:

Minimum Order Quantity: 1set
Price: negotiate
Packaging Details: Standard packing
Delivery Time: 3 Working Days After Received Payment
Payment Terms: T/T, Western Union,Money Gram
Supply Ability: 3000 per month
Detailed Product Description
Feature: Adjustable Power 8 Antenans LOJACK Signal Jammer Jamming Frequencies: LOJACK GPS , Mobile Phone 2G 3G 4GLTE
Antennas: 8 Omni Antennas Power Supply: AC110 Or 220V To DC12V
Jamming Range: 2-40m Radius Cooling System: 3 Cooling Fans Inside
High Light:

3G 4G Phone Signal Blocker


LOJACK GPS Phone Signal Disruptor

Product Information :

Name: Hotsell  Mobile phone LOJACK Signal Jammer  With 8 Antennas Adjustable 3G 4G Phone signal Blocker with 2.4G GPS Frequencies

Color: Black

Basic Specifications

Jam Signal Type:1: CKJ-1703BT8-LG: Full Bands Mobile Phone 4G/3G/2G +WiFi2.4G+ GPSL1+LOJACK


Output Power:Total 18W,1-3W each band

Jam Radius:2-40meters

Power Supply:AC110-240V to DC12V

Cooling System:High efficiency aluminum alloy radiator, Build-in 3 cooling fan

Working Time:Not-stop Working

Product Size:385x 135x50 mm(not Include Antenna)

Product Weight: appr.3.5kg

Package Contents:Jammer Host x 1, AC adapter x 1,antenna x8,Car storage battery cable x1

Product Description
Hotsell Mobile phone Signal Jammer 8 Antennas Adjustable 3G 4G Phone signal Blocker with 2.4G GPS,It also is a good quality multi-functional LOJACK UHF VHF WIFI5G and Remote control 433 315 MHz signal jammer ,Adjustable and built-in 3pcs cooling fan to support non-stop working.


New module 8 chancel design, Customized for special frequency band
High output power, Total up to: 18W,jamming up to 40m (Still depends on the strength signal in given area.)
With Car storage battery Charger DC12V can be used in car

External Omni-directional antennas all the TX frequency covered down link only

Built-in good cooling system inside three fans, Working non-stopped

Can adjust or turn off any single band without influencing the other bands operation

OEM Customized Service
Customized for special frequency band , Wi-Fi5.8G 3.6GHz, etc
Silkscreen OEM service can be offered

It can be applied at meeting rooms, conference rooms, museums, galleries, theatres, concert halls, churches, temples, restaurants, classrooms, training centers, factories, banks, trains, bus and more Places that require silence, confidentiality and information security

For some locations of special purpose such as hospitals, gas stations and more, please do field test first to make sure no interference happened to the normal operation of their equipment and instrument


Key technical specifications: CKJ-1703BT8-LG
Channel Output port Frequency range Average out-putting power
1 CDMA or GSM 851-894 or 925-960MHz 35dBm/3W
2 DCS or PCS 1805-1880 or 1920-1990MHz 33dBm/2W
3 3G 2110-2170MHz 33dBm/2W
4 4G1 LTE 700-803 or 790-862MHz 35dBm/3W
5 4G Wimax 2500-2690 or 2300-2400MHz 30dBm/1W
6 WIFI2.4G 2400-2500MHz 35dBm/3W
7 GPSL1 1570-1580MHz 33dBm/2W
8 LOJACK 167-175MHz 35dBm/3W
Power supply: AC adapter 50 to 60Hz, (110-240V AC-12V DC) Car storage battery Charger DC12V
Dimensions: (length ,width, height) 385x 135x 50mm(not Include Antenna)
Packing size: 47*27*13cm Net weight: 3kg Gross weight: 3.5kg
Total power:17W
Shielding radius: (2-40) meters At -75dBm
Still depends on the strength signal in given area, Shielding radius of VHF/UHF signal about 10meters
Warranty: one year from delivery date

Adjustable Power 3G 4G 8 Bands LOJACK Signal Jammer 0

Contact Details
ChingKong Technology Co.Ltd

Contact Person: Kevin Chen

Tel: 86-13392813117

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