New unique High Power handheld cell phone signal Jammer with 8 high gains antennas 28 watts, good jamming for mobile phone GSM CDMA DCS 2G, 3G, 4G 5G, Also block LOJACK WIFI2.4G GPS up to 40meters, High gain omni antennas,More Stronger jamming than the others normal portable jammer model.Battery capacity LCD display.
Product Information |

Model: CKJ-2108P8P
Color: Black
Jammer Signal Type:
Full Bands Mobile Phone 5G/4G/3G/2G +WiFi2.4G or GPSL1-L5 LOJACK
Output Power:Total 28W,3-4W each band
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/3000mAh, Around 60 minutes
Product Size:186x130x46 mm(without antenna)
Product Weight: appr.2.0kg
The latest handheld design 8 bands high power blocking cell phone ,GPS, Wi-Fi signals
28 watts high output power, Jamming range 5 to 40 meters
Battery capacity LCD display (Capacity percentage, working Voltage/Current
ABS Shell with 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 built-in bigger battery, can work 60 minutes, Easily repeated charging


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: Unique High Power Mobile Phone Signal Jammer CKJ-2108P8P-5G (EU Version) | |||
Channel | Output port | Frequency range | Average out-putting power ±1dbm |
Band 1 | 4G 2600 | 2570-2690MHz | 35±1dbm / 3W |
Band 2 | GPSL1/5G1500 | 1427-1610MHz | 35±1dbm / 3W |
Band 3 | 5G3500/3700 | 3400-3800MHz | 35±1dbm / 3W |
Band 4 | 4G 700 | 738-821MHz | 36±1dbm / 4W |
Band 5 | GSM | 925-960MHz | 36±1dbm / 4W |
Band 6 | 3G | 2110-2170MHz | 36±1dbm / 4W |
Band 7 | DCS | 1805-1880MHz | 36±1dbm / 4W |
Band 8 | Wi-Fi 2.4G/4G2300 | 2300-2485MHz | 35±1dbm / 3W |
Key technical specifications: Unique High Power Mobile Phone Signal Jammer CKJ-2108P8P-5G (US Version) | |||
Channel | Output port | Frequency range | Average out-putting power ±1dbm |
Band 1 | 4G 2600 | 2496-2690MHz | 35±1dbm / 3W |
Band 2 | GPSL1 | 1570-1580MHz | 35±1dbm / 3W |
Band 3 | 5G600 | 617-652MHz | 36±1dbm / 4W |
Band 4 | 4G 700 | 698-798MHz | 36±1dbm / 4W |
Band 5 | CDMA | 850-894MHz | 36±1dbm / 4W |
Band 6 | 3G | 2110-2180MHz | 36±1dbm / 4W |
Band 7 | PCS | 1930-2000MHz | 36±1dbm / 4W |
Band 8 | Wi-Fi 2.4G/4G2300 | 2300-2485MHz | 35±1dbm / 3W |
Key technical specifications: Unique High Power GPS LOJACK Signal Jammer CKJ-2108P8P-LG | |||
Channel | Output port | Frequency range | Average out-putting power ±1dbm |
Band 1 | 4G 2600 | 2496-2690 or 2570-2690MHz | 35±1dbm / 3W |
Band 2 | GPSL1 | 1570-1610MHz | 35±1dbm / 3W |
Band 3 | LOJACK | 167-175MHz | 35±1dbm / 3W |
Band 4 | 4G 700 | 700-803 or 738-821MHz | 36±1dbm / 4W |
Band 5 | CDMA or GSM/LORA | 850-894 or 900-960MHz | 36±1dbm / 4W |
Band 6 | 3G | 2110-2180MHz | 36±1dbm / 4W |
Band 7 | DCS or PCS | 1805-1880 or 1930-2000MHz | 36±1dbm / 4W |
Band 8 | Wi-Fi 2.4G/4G2300 | Wi-Fi 2.4G/4G2300 | 35±1dbm / 3W |
Key technical specifications: Unique High Power GPS Signal Jammer CKJ-2108P8P-G | |||
Channel | Output port | Frequency range | Average out-putting power ±1dbmm |
Band 1 | 4G 2600 | 2496-2690 or 2570-2690MHz | 35±1dbmm / 3W |
Band 2 | GPSL1 | 1570-1610MHz | 35±1dbmm / 3W |
Band 3 | GPSL2L3L4L5 | 1170-1390MHz | 35±1dbmm / 3W |
Band 4 | 4G 700 | 700-803 or 738-821MHz | 36±1dbmm / 4W |
Band 5 | CDMA or GSM/LORA | 850-894 or 900-960MHz | 36±1dbmm / 4W |
Band 6 | 3G | 2110-2180MHz | 36±1dbmm / 4W |
Band 7 | DCS or PCS | 1805-1880 or 1930-2000MHz | 36±1dbmm / 4W |
Band 8 | Wi-Fi 2.4G/4G2300 | Wi-Fi 2.4G/4G2300 | 35±1dbmm / 3W |
Power supply: adapter 50 to 60Hz AC (110-240V AC/24V DC) | |||
Dimensions: (length ,width, height) 186x130x46mm (without antenna) Length of antenna :195mm Gain:2.5dbi | |||
Packing size: 330*250*80mm Net weight: 1.5kg Gross weight: 2.0kg | |||
Total power: 28W Shielding radius: (5-40) meters at -75dbm Still depends on the strength signal in given area Built-in battery:24V/3000mAh Continue working: 60minutes Charge Time: 2 Hours | |||
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.