| Frequency Range: | GSM CDMA 3G 4G 5g Wi-Fi GPS Lojack Lora 433 315 |
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| Frequency: | 900;1800;2100;2600;1500, 173;433;2400;5800;3600 |
| Application: | Car, Hotel, Office, School |
| Channels: | 21antenna 21channels |
| Output Power: | 21W |
| Block Range: | 2-20 Meters Depends on Signal Strength |
| Samples: |
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| Customization: |
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Suppliers with verified business licenses
Audited Supplier 21-channel signal blocker, handheld design can be mastered with one hand, slightly larger than commonly used walkie-talkies; The shield can be placed in a pocket or satchel, and can be hung on the arm and belt; Wireless signal blocker can effectively shield all the commonly used mobile phone signals and WiFi signals within a radius of 10-30 meters, exquisite ventilation and heat dissipation design, even if the machine is continuously turned on for 2 hours, the shell temperature will not exceed 45 ° C, safe lithium iron phosphate high-capacity battery, can be recharged and used, and the battery can be quickly removed and replaced.
| Product Information |
| Product Details |
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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.
Suppliers with verified business licenses
Audited Supplier 
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