9,837 products found from 378  

Blocker Factory

manufacturers & suppliers

China Signal Jammer Factory, 14 Channels Cell Phone Jammer GPS WiFi VHF UHF 4G 315 433 Lojack Blocker

FOB Price: US $ 1 / Piece
Min. Order: 1 Piece
  • Usage: Defense
  • Using Field: Internet
  • Type: Military Technical Equipment
  • Material: Aluminum/Alloy
  • Total Outputpower: 35W
  • Protection Radius: Typical 2-80m

Factory Supply Security Protector Anti RFID Theft Credit Card Blocker

FOB Price: US $ 0.9-1.5 / Piece
Min. Order: 500 Pieces
  • Function: Card Protector
  • Type: Blocking Card
  • Material: PVC
  • Read-Write Method: Shield RFID
  • Label Category: RFID Blocking Card
  • Structure: RFID Blocking Material

Factory New Model Eight Antennas Signal Blockers Updated Version with 2g 3G 4G GPS Lojac Remote Control Frequencies

FOB Price: US $ 9.99 / Piece
Min. Order: 2 Pieces
  • Size: 370 X 140 X 51mm
  • Weight: 3.5kg
  • Name: Jammer for Android Phone
  • Items: Mobile Phone Signal Isolator; 2g+3G+4G+2.4G+Lojack
  • Adjustable Working Range: Ease of Use and Maintenance
  • Working Non-Stopped: Stable Capability

Factory Updated Model High Power 20W 8 Antennas Signal Blockers with Frequencies Customized Services.

FOB Price: US $ 9.99 / Piece
Min. Order: 2 Pieces
  • Size: 370 X 140 X 51mm
  • Weight: 3.5kg
  • Name: Jammer for Android Phone
  • Items: Mobile Phone Signal Isolator; 2g+3G+4G+2.4G+Lojack
  • Adjustable Working Range: Ease of Use and Maintenance
  • Working Non-Stopped: Stable Capability

Universal 12 Antennas Adjustable WiFi GPS VHF UHF Lojack 2g 3G 4G All Bands Signal Jammer Blocker

FOB Price: US $ 1 / Piece
Min. Order: 1 Piece
  • Jammer Working Frequency: WiFi GPS VHF UHF Lojack 2g 3G 4G
  • All Band Jammer: 12 Bands
  • 3G 4G Jammer Power: 28.5W
  • Packing: Neutral Packing
  • Standard: CE
  • Port: Shenzhen

16 Antenna Jammer, Blocker for 3G 4G Cell Phone, Lojack 173MHz. RC433MHz, 315MHz GPS, Wi-Fi, VHF, UHF Radio Signal Jammer

Min. Order: 1 Piece
  • Frequency Range: GSM900
  • Frequency: 1805~1880MHz
  • Application: Military Area
  • Name: Full Band 42W 16 Antenna Jammer/Blocker
  • Jamming Range Radius: 50meters
  • Weight: 8kg

New Lojack Jammer/Blocker for Cellular Phone+Lojack+GPS/Glonass/Galileol1/L2/Wi-Fi/Bluetooth, Handheld 8 Band Cellphone, Remote Control Signal Jammer, Cheap

FOB Price: US $ 1 / Piece
Min. Order: 1 Piece
  • Frequency Range: PCS1900
  • Frequency: 1805~1880MHz
  • Application: Military Area
  • Name: Lojack Jammer/Blocker
  • RF Power Output: 3.5 Watt
  • Continue Using Time: 120minutes

Stationary Adjustable 4G Jammer Cell Phone CDMA GSM GPS 3G WiFi Lojack,Signal Blocker for All 2g,3G,4G Cellular,433MHz,315MHz,GPS,Wi-Fi,VHF,UHF Lojack Jammer

FOB Price: US $ 1 / Piece
Min. Order: 1 Piece
  • Frequency Range: DCS1800
  • Frequency: 1805~1880MHz
  • Application: Examination Hall
  • Cell Phone Jammer: for 4G 3G 2g
  • Jamming: GSM,2g 3G,4G,WiFi, GPS,315MHz,433MHz Lojack
  • Working Mode: We Can Do Customized

2017 Updated Version Factory Price 6 Bands Portable Mobile Phone Signal Jammer 2g, 3G, 4G, GPS, Wi-Fi CDMA/GSM, 6 Antenna Jammer / Blocker

FOB Price: US $ 1 / Piece
Min. Order: 2 Pieces
  • Type: Electronic
  • Usage: Personal, Auto, Door, Window
  • Certification: CE, ISO, RoHS
  • Channel: >4CH
  • Receive Frequency: 315MHz
  • Transmission Rate: ≥20Kbps

14 Bands Jammer GSM/3G/4G Cellphone, GPS, Wi-Fi, Lojack, 433MHz, 315MHz Signal Jammer, 14 Antenna Signal Jammer/Blocker

FOB Price: US $ 1 / Piece
Min. Order: 1 Piece
  • Type: GPS, WiFi, 4G, Lojack/Xm, UHF/VHF
  • Jammer Effective Radius Range: 50-80 M
  • CDMA 800 :850 to 894MHz: GSM 900: 925 to 960MHz
  • Dcs/PCS: 1805 to 1990MHz: 3G: 2110 to 2170MHz
  • Gpsl1: 1570 to 1580MHz: Gpsl2-L5: 1170 to 1230MHz
  • WiFi 2.4G: 2400 to 2500MHz: VHF: 135 to 174mhzuhf: 400-470MHz

New Model with Economical Price Stationary 8bands Cellphone, Wi-Fi, Car Remote Control 433, 315 Jammer/Blocker 8 Atenna

Min. Order: 1 Piece
  • Type: Wireless
  • Usage: Personal, Auto, Door, Fire, Smoke, Window
  • Certification: DOT, E-MARK, CE, ISO, FCC, RoHS, MUTCD, ASTM, AS/NZS, CCC, GS, Intertek
  • Channel: >4CH
  • Receive Frequency: 433.92MHz
  • Transmission Rate: ≥20Kbps

Anti Tracker Mini GPS Signal Jammer Blocker for Car Vehicle

FOB Price: US $ 0.01 / Piece
Min. Order: 1 Piece
  • Frequency Range: Gpsl1: 1500-1600MHz
  • Frequency: Gpsl1: 1500-1600MHz
  • Application: Military Area
  • GPS Signal Jammer: 1500MHz-1600MHz
  • GPS Signal Blocker: up to 10m
  • GPS Jamming Power: 12V

Portable Cellular Bomb Signal Jammer / Blocker

Min. Order: 1 Piece
  • Type: 20MHz~6000MHz
  • Application: Optical Signal Transmission
  • Modulation: Vco
  • Receiver Chip: Hdt
  • Oscillator Circuit: PLL Frequency Synthesis
  • Jamming Target: VHF/UHF; Cell Phone; Wi-Fi Devices; GPS Devices

8CH Indoor Power Adjustable Wireless Mobile Signal Jammers Blocker

FOB Price: US $ 100 / Piece
Min. Order: 1 Piece
  • Frequency Range: 20-6000MHz
  • Frequency: 20-6000MHz
  • Application: Conference Center
  • Jamming Range: 2-20m
  • Net Weight: 4kg
  • RF Output Power: 18W

6 Channels 90W Backpack Jammer & GPS Blocker to 200m

FOB Price: US $ 1 / Piece
Min. Order: 1 Piece
  • Frequency Range: GSM900
  • Frequency: GPS Blocker
  • Application: Military Area
  • Jamming Frequencies: 2g,3G,GPS,WiFi
  • Total Working Bands: 6 Channels
  • Total Output: 90W

New 8 Antennas High Power Handheld 3G/ 315/ 433/ Lojack Jammer, Built-in Battery, Portable 2g 4G Lte GSM CDMA Cell Phone Signal Blocker

FOB Price: US $ 1 / Piece
Min. Order: 1 Piece
  • Frequency Range: PCS1900
  • Frequency: 1805~1880MHz
  • Application: Military Area
  • Cell Phone Signal Jammer: Cell Phone Signal Jammer
  • Name: 8 Antennas High Power Jammer, 3G/ 315/ 433/ Lojack
  • Size: 240X 202X 65mm

Anti-Theft Wallet Credit Card Protector RFID Blocker/Blocking Sleeve Card

FOB Price: US $ 0.225-0.35 / Piece
Min. Order: 100 Pieces
  • Function: Credit Card Protection
  • Type: Printing Card
  • Material: PVC
  • Read-Write Method: Non-Contact Type
  • Label Category: Passive
  • Structure: Em4100/T5577/Tk4100.etc

High Power Waterproof Prison Cellphone Signal Jammer, Signal Blocker

FOB Price: US $ 1-10 / Set
Min. Order: 1 Set
  • Type: Infrared
  • Channel: 3CH
  • Receive Frequency: 315MHz
  • Transmission Rate: 10~20Kbps
  • Size:510*430*350mm: Power:Waterpoorf
  • Prison Cellphone Signal Jammer: Use:Outdoor

Portable Mobile Phone Jammer, GPS Jammer and WiFi Jammer 5 Antenna, Stationary Adjustable 5 Bands Jammer/Blocker for Mobile+3G+Gpsl1+Lojack

FOB Price: US $ 1 / Piece
Min. Order: 1 Piece
  • Type: Military Technical Equipment
  • Material: Aluminum/Alloy
  • Protection Radius: Typical 2-50m
  • Output Power Adjustable: Could Control The Output Power to Adjust
  • Jammer Type: Sweep Jamming;
  • Antenna Type: Omini-Directional;

Handheld 8 Antennas GSM GPS Cell Phone Jammer Signal Blocker

Min. Order: 1 Piece
  • Frequency Range: DCS1800
  • Frequency: 1805~1880MHz
  • Application: Conference Center
  • Total Working Bands: 8 Channels
  • Total Output: 5.5W
  • Shielding Radius: 20m

Strong Power RF Radio 433.92MHz and 315MHz Jammer Car Signal Blocker

FOB Price: US $ 1 / Piece
Min. Order: 1 Piece
  • Type: RF Signal
  • Application: Optical Signal Transmission
  • Modulation: FSK
  • Oscillator Circuit: LC or Crystal Oscillator
  • Car Remote Jammer: 315/433.92MHz
  • Remote Control Blocker: 50-100m

Waterproof Built-in Antenna Wilreless Signal Jammer, Signal Blocker

FOB Price: US $ 20 / Set
Min. Order: 1 Set
  • Type: With Remote Control
  • Channel: >4CH
  • Receive Frequency: 229.95MHz
  • Transmission Rate: 10~20Kbps
  • Packing: Neutral Packing
  • Port: Shenzhen

Portable WiFi Signal Jammer Cell Phone Blockers for Cars GPS Tracking (GW-JN5L)

Min. Order: 1 Piece
  • Working Time: 2 Hours
  • Advantage: with Cooling Fan
  • Jamming Range: 1 - 20meters, Depend on Signal Strength of Mobile N
  • Packing: Neutral Packing
  • Standard: ISO9001
  • Port: Shenzhen

Easy Installation Road Blocker for Police

FOB Price: US $ 30-60 / Piece
Min. Order: 1 Piece
  • Type: Road Blocker
  • Weight: 6kg
  • Packing: Standard Export Carton
  • Port: Shanghai
  • Production Capacity: 1500PCS/Month
  • Trademark: ANHUA

Anti-Terrorist Car Automatic Rising Bollard Blocker

FOB Price: US $ 1900-2500 / Piece
Min. Order: 1 Piece
  • Position: Vehicle Fence
  • Material: Steel
  • Function: Separation
  • Upright Post: 216mm
  • Post Fixation: Embedded Type
  • Degree of Distortion: Flexible Barrier

Free Shipping 8-CH Cell Phone & GPS Signal Blocker for Cars

Min. Order: 1 Piece
  • Target Signal Range: From 800MHz to 2700MHz (2.4GHz WiFi)
  • Target Jamming Devices: Cell Phone, Wi-Fi & Bluetooth Devices
  • Jamming Range: 4~20 Meters (Radius)
  • Power Supply: 220V/110V AC
  • Cooling Systems: 4 Fans
  • Antennas: External & Omni-Directional

Blocker for 3G 4G Cell Phone (SYF-900)

Min. Order: 1 Piece
  • Type: With Remote Control
  • CDMA: 869-894MHz
  • Description: Cellphone Signal Jammer with Strength Remote Contr
  • MOQ: 1PCS
  • Price: Factory Price
  • Place of Origin: Quanzhou,Fujian

(IP68) Hydraulic Rising Security System (integrated UVSS, Barrier) Road Blocker

FOB Price: US $ 1-30000 / Set
Min. Order: 1 Set
  • Position: Enterance and Exit of Road
  • Material: Steel
  • Function: Warning
  • Upright Post: 2500*600mm
  • Post Fixation: Embedded Type
  • Degree of Distortion: Rigid Barrier

4 Antenna with Remote Control Cell Phone Signal Blocker

FOB Price: US $ 150 / Piece
Min. Order: 1 Piece
  • Frequency Range: DCS1800
  • Frequency: 1805~1880MHz
  • Application: Anywhere
  • Full Set Weight: 2.8kg
  • Total Output Power: 11watt
  • Packing: Dimension: 210 X 50 X 170mm

Wall-Mounted Built-in Directional Antenna Mobile Signal Jammer Blocker

FOB Price: US $ 1 / Piece
Min. Order: 1 Piece
  • Frequency Range: 20-6000MHz
  • Frequency: 20-6000MHz
  • Application: Military Area
  • RF Output Power: up to 16W
  • Jamming Frequency: UHF, VHF, GSM, WiFi, Dcs, PCS, WCDMA, Lte,
  • Jamming Range: 2-50m
Show: 10 30 50
Haven't found what you want?

Accurate Supplier Match

Post exact requests to find exact Chinese Suppliers.
Post Sourcing Request

Product Alert

Stay updated to what's new and popular on the market.