World first high power 38 watts 12 Antennas handhled design mobile phone signal Jammer with nylon cover for portable, jamming up to 40 meters for all types of Android phones, Tablets, Smart Phones, iPhones, Win phones etc. that use 2G, 3G, 4G 5G, and CDMA 450Mhz, Block GPS, Wi-Fi 2.4G 5G, Walkie-Talkie UHF/VHF and LORA,LOJACK 315 433 868 915 etc. Battery capacity LCD display (Capacity percentage, working Voltage/Current) is popular in 2022 and in years to come.
Product Information |

Model: CKJ-2203P12-RC
Color: Grey
Jammer Signal Type:
Full Bands Mobile Phone 5G/4G/3G/2G +WiFi2.4G/5G+ GPSL1L2L5+315 433 434 868 915MHz
Output Power:Total 38W,2-4W each band with 2dbi gains omni antennas
Block Radius:2-40meters Still depends on the strength signal in given area
Power Supply:AC110-240V to DC24V
Cooling System:High efficiency aluminum alloy radiator, Build-in 3x cooling fan
Working Time:Built-in battery: 24V/5200mAh Continue working: Around 70 minutes
Product Size:200x133x66mm (without antenna)
Product Weight: appr.2.5kg
New 12 bands portable jammer with 12 antennas design, blocking all cell phone 5G 4G 3G 2G LORA GPS Wi-Fi RF 315 433 434 868 915 signals
37 watts high output power, Jamming range 2 to 40 meters
Good cooling system with 3 cooling fans inside and bigger hot sink, Nylon cover for handheld
With DIP switch, can turn on/off any signal band
AC110-240V to DC 24V charger
With built-in battery, can work 70 minutes, repeated charging faster
Battery capacity LCD display (Capacity percentage, working Voltage/Current)


Safe case packing and handheld for option
OEM customized service:
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
Product Details |



Key technical specifications: High Power Handheld 315 433 434 868 915 Wi-Fi GPS 5G Signal Jammer CKJ-2203P12-RC | |||
Channel | Output port | Frequency range | Average out-putting power ±1dbm |
CH 1 | RC433/CDMA450 | 433-465MHz | 3W |
CH 2 | 5G3.5G/3.7G | 3400-3800MHz | 3W |
CH 3 | WIFI5.8G/5.2G | 5125-5850MHz | 2W |
CH 4 | RC315 | 315 MHz | 3W |
CH 5 | 4GLTE Low | 738-821MHz | 4W |
CH 6 | GPSL2L3L4L5 | 1170-1390MHz | 2W |
CH 7 | GPSL1/5G1500 | 1452-1610MHz | 3W |
CH 8 | 4GLTE High | 2570-2690MHz | 3W |
CH 9 | CDMA/GSM900/RC868 | 851-960(868/915)MHz | 4W |
CH 10 | DCS1800/PCS | 1805-1995MHz | 4W |
CH 11 | 3G | 2110-2170MHz | 4W |
CH 12 | WIFI2.4G/4G2300 | 2300-2485MHz | 3W |
Power supply: adapter 50 to 60Hz AC (110-240V AC/24V DC) Built-in battery:24V/5200mAh Continue working: Around 70 minutes | |||
Dimensions: (length ,width, height) 200x133x66mm (without antenna) Length of antenna :195mm Gain:2.0dbi | |||
Packing size: 295*260*125mm Net weight: 2.0kg Gross weight: 2.5kg | |||
Total power: 38W Shielding radius: (2-40) meters at -75dBm Still depends on the strength signal in given area | |||
Warranty: one year from delivery date |


ISO 9001 & 14001 Quality System Certification, All Units Tested Frequency and Output Power Again Before Shippment. |
Shenzhen Zhengjiangxintong (Ching Kong) Technology Co.,Ltd. established in 2010, we are a professional manufacturer engaged in the research, development, production, sale and service of anti drone system, drone signal jammer, mobile phone signal jammer, jammer signal source module, voltage control oscillator, signal jammer manage system, communication antenna, All products have independent intellectual property rights and certificate.
The products are widely used in such as VIP convoy, prisons, nuclear industry facilities, airports, schools, conference centers, hospitals, museums, churches and more Places that require silence, confidentiality and information security
The company and product passed ISO 9001 & 14001 quality system certification, two standardized production line and 800 square meters workshop office, has a professional research and development team, Several new products are launched every year, Daily production of hundreds of units, each device through the standard data test and ageing test for many times, can guarantee to the development production and delivery of customer orders, The products sell well in more than sixty countries such as the United States, Russia, Poland, Brazil, Britain, Italy, South Africa and other parts of the world.
Welcome customers to visit our factory and have good cooperation!
FAQ |
FAQ1. Could I get a sample before bulk order?
Yes, We offer samples for all models, but the sample costs, shipping and taxes paid by the buyer.
FAQ2. What should I do if I don't know about frequency in my country?
Please feel free to contact us with your inquiry, we will find the frequency you need and deal with your problems.
FAQ3. Can I customize frequencies or accept OEM/ODM order?
Yes, we can customize the brand logo and frequencies.
we can customize mobile phone 2G/3G/4G/5G,RF LORA, LOJACK 173MHz, VHF, UHF, Walkie-talkie, 433MHz,315MHz, 868MHz, 915MHz,CDMA450MHz, iDEN, CDMA, GSM, GPRS, DCS, PCS, AWS, WCDMA, UMTS,3G,4G, LTE 700, LTE 800, LTE 2300, LTE 2600, GPS L1, GPS L2, Galileo, Compass, Glonass, WIFI, Bluetooth, WIMAX, UAV, Drone, 5.8G, etc.
FAQ4.Shipment Date
Sample: 1-3 business days, <20 pcs 3-5 days, 20-200 pcs 7-15 days, >200 pcs Negotiate
FAQ5: Delivery Date of the sample by DHL/FedEx/UPS/EMS
USA/Canada/Europe/Asia: 3-5 business days
Middle East/Latin American: 5-7 business days
African: 3-7 business days
FAQ6.Payment Method
T/T, Western Union, PayPal, are available,
*Other methods please contact us with more details.