12 Antennas Handheld GPS GSM Bluetooth Signal Blocker 2g 3G 4G 5g WiFi 2.4G/5.8g Mobile Cell Phone Signal Jammer J121A
Product Information
Name: The Latest 12 Antennas Plus Portable Mobile Phone Signal Jammer LOJACK GPS Wi-Fi Signal Blocker Bigger Hot Sink & Battery 8.4Watt Jamming up to 20m
Model: JAX-121A-12
Color: Grey
Tired of Being Tracked? Reclaim Your Privacy on the Go
In today's hyper-connected world, your location is being tracked more than you think. Whether it's hidden GPS trackers on your vehicle, unwanted monitoring devices placed by strangers, or simply the constant pinging from your own devices-privacy has become a luxury.
Imagine driving home after a long day, knowing that no one is silently watching your every turn. Imagine parking your car anywhere, without the nagging worry that someone knows exactly where you are. That peace of mind isn't a dream anymore.
Introducing the GuardianShield Portable Privacy Jammer-a compact, powerful device designed to give you back control. It effectively disrupts GPS, Wi-Fi, and Bluetooth signals within a customizable range, blocking hidden trackers and unwanted surveillance devices from communicating your location. Whether it's attached to your vehicle or carried in your bag, it creates a safe, private zone wherever you go.
Lightweight, discreet, and easy to use, GuardianShield is your personal shield against the digital eyes of the world. Don't let your location be public information any longer.
Drive free. Live free. Stay private.
Learn more about how GuardianShield can protect you and your vehicle today.





Basic Specifications
Jam Signal Type:1:JAX-121A-12A:Full Bands Mobile Phone 4G/3G/2G +WiFi2.4G/5.8G+ GPSL1 +LOJACK+RC433 315 868
2:JAX-121A-12B:Full Bands Mobile Phone 4G/3G/2G +WiFi2.4G+ GPSL1 L2 L5 +LOJACK+RC433 315 868
Output Power:Total 8.4W,0.7W each band(add antennas gain more than 12Watt)
Jam Radius:2-20meters
Power Supply:AC110-240V to DC12V
Cooling System:High efficiency aluminum alloy radiator, Build-in 2x cooling fan
Working Time:Built-in battery:7.4V/10000mAh Continue working: more than 2.0+ hours
Product Size:165x 93x 46 mm(not Include Antenna)Length of antenna :166mm Gain:2.0dbi
Product Weight: appr.2.0kg
Package Contents:Jammer Host x 1, AC Charger x1,antenna x12,Car Charger x1
Product description:
The latest all-in-one design portable wireless signal Jammer, 12 bands jamming all types of Android phones, Tablets, Smart Phones, iPhones, Win phones etc. that use 2G, 3G, 4G, and CDMA 450Mhz, Block LOJACK GPS, Wi-Fi 5G, Walkie-Talkie UHF/VHF and RF signals like 315, 433, 868 is popular in 2018 and in years to come
Advantages:
The latest handheld design 12 all-in-one frequencies blocking all cell phone signals, LOJACK GPS, Wi-Fi, RF signals
8.4 watt high output power and high gain antennas, Jamming range 2 to 20 meters (at-75dBm, depends on signal strength in given area)
Good cooling system with cooling fans inside and bigger hot sink
With DIP switch, can turn on/off any signal band without affect other bands
With car charger, can used in car directly, 12V DC/AC power supply is also available
With built-in bigger battery, can work more than (2.0+ hours) 120 minutes, can be repeated charging
OEM customized service:
Customized for special frequency band , Wi-Fi5G, Wireless Camera 1.2GHz etc
Silkscreen OEM service can be offered
Application:
o 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
o 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: JAX-121A-12A
Channel Output port Frequency range Average out-putting power
1 4GLTE 700 700-803 or 790-862MHz 28.5dBm/0.7W
2 CDMA or RC868 851-894 or 868MHz 28.5dBm/0.7W
3 GPSL1 1570-1610MHz 28.5dBm/0.7W
4 Wi-Fi 2.4G 2400-2500MHz 28.5dBm/0.7W
5 3G 2110-2170MHz 28.5dBm/0.7W
6 4G2600 or 2300 2500-2690 or 2300-2400MHz 28.5dBm/0.7W
7 LOJACK or VHF 167-175 or 135-175MHz 28.5dBm/0.7W
8 RC315 315MHz 28.5dBm/0.7W
9 RC433 or UHF 433 or 400-470MHz 28.5dBm/0.7W
10 GSM 925-960MHz 28.5dBm/0.7W
11 DCS or PCS 1805-1880 or 1920-1990MHz 28.5dBm/0.7W
12 Wi-Fi 5.8G 5725-5850MHz 28.5dBm/0.7W
Power supply: adapter 50 to 60Hz AC (110-240V AC/12V DC) Car Charger: DC12V IN
Dimensions: (length ,width, height) 165*96*46mm (not include antenna)
Length of antenna :166mm Gain:2.0dbi
Packing size: 25*24*8cm Net weight: 1.5kg Gross weight: 2.0kg
Total power: 8.4W
Shielding radius: (2-20) meters at -75dBm Still depends on the strength signal in given area
Built-in battery:7.4V/10000mAh Continue working: more than 2.0+ hours
Warranty: one year from delivery date
Key technical specifications: JAX-121A--12B
Channel Output port Frequency range Average out-putting power
1 4GLTE 700 700-803 or 790-862MHz 28.5dBm/0.7W
2 CDMA or RC868 851-894 or 868MHz 28.5dBm/0.7W
3 GPSL1 1570-1610MHz 28.5dBm/0.7W
4 GPSL2L5 or PCS 1170-1280 or 1920-1990MHz 28.5dBm/0.7W
5 3G 2110-2170MHz 28.5dBm/0.7W
6 4G2600 or 2300 2500-2690 or 2300-2400MHz 28.5dBm/0.7W
7 LOJACK or VHF 167-175 or 135-175MHz 28.5dBm/0.7W
8 RC315 315MHz 28.5dBm/0.7W
9 RC433 or UHF 433 or 400-470MHz 28.5dBm/0.7W
10 GSM 925-960MHz 28.5dBm/0.7W
11 DCS or PCS 1805-1880 or 1920-1990MHz 28.5dBm/0.7W
12 Wi-Fi 2.4G 2400-2500MHz 28.5dBm/0.7W
Power supply: adapter 50 to 60Hz AC (110-240V AC/12V DC) Car Charger: DC12V IN
Dimensions: (length ,width, height) 165*96*46mm (not include antenna)
Length of antenna :166mm Gain:2.0dbi
Packing size: 25*24*8cm Net weight: 1.5kg Gross weight: 2.0kg
Total power: 8.4W
Shielding radius: (2-20) meters at -75dBm Still depends on the strength signal in given area
Built-in battery:7.4V/10000mAh Continue working: more than 2.0+ hours
Warranty: one year from delivery date



