Home Security & Protection Sender, Receiver Blocker 2017 Product List
Total 9,098 products from about 363

 Blocker

manufacturers & suppliers

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

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

High Power Indoor Cell Phone Signal Jammer / Blocker

FOB Price: $2950 - $3100 / Piece
Min. Order: 1 Piece
  • Type: 860MHz~2665MHz
  • Application: Optical Signal Transmission
  • Modulation: Vco
  • Receiver Chip: Hdt
  • Oscillator Circuit: PLL Frequency Synthesis
  • Jamming Target: Cell Phone; Wi-Fi Devices; GPS Devices

2017 Updated Version Factory Price! ! ! ! Portable Mobile Phone Signal Jammer ...

FOB Price: US $1 / Piece
Min. Order: 2 Pieces
  • Size: 370 X 140 X 51mm
  • Weight: 3.5kg
  • Packing: Ployfoam and Carton
  • Standard: CE, ROSH
  • Port: Shenzhen
  • Production Capacity: 5000PCS/Month

Stationary Adjustable 4G Jammer Cell Phone CDMA GSM GPS 3G WiFi Lojack,Signal Blocker for ...

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

Mini Portable GSM/CDMA/WCDMA/TD-SCDMA/Dcs/Phs Cell Phone Signal Jammer Blocker

FOB Price: US $69.9 / Piece
Min. Order: 1 Piece
  • Transmission Rate: Wireless
  • Receive Frequency: Wireless
  • Channel: 4CH
  • Certification: CE, FCC, CCC
  • Usage: Personal
  • Type: Wireless

Anti Tracker Mini GPS Signal Jammer Blocker for Car Vehicle

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

6CH Handheld Wi-Fi Bluetooth 2g 3G 4G Cellular Phone Jammer Signal Jammer Blocker

FOB Price: US $1 / Piece
Min. Order: 1 Piece
  • Usage: Defense
  • Using Field: Land
  • Type: Military Technical Equipment
  • Material: Aluminum/Alloy
  • Product: 6CH Handheld Jammer
  • Jamming Radius: 1 to 20 Meters

Police Roadblock Road Block Blocker Tyre Killer Spike Barrier

FOB Price: $140 - $150 / Piece
Min. Order: 10 Pieces
  • Material: Aluminium
  • Function: Obstruction
  • Degree of Distortion: Flexible Barrier
  • Name: Lz-D-Rd01 Carbon Steel Remote Control Roadblock
  • Weight: <10kg
  • Size: 555mm×430mm×90mm

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

16 Antenna Jammer, Blocker for 3G 4G Cell Phone, Lojack 173MHz. RC433MHz, 315MHz GPS, ...

Min. Order: 1 Piece
  • Name: Full Band 42W 16 Antenna Jammer/Blocker
  • Jamming Range Radius: 50meters
  • Weight: 8kg
  • Dimension: 395 X 238 X 60mm
  • Packing: Ployfoam and Carton
  • Standard: CE, RoHS, SGS, GMP

2017 New Model Withh Economical Price! ! ! Stationary 8bands Cellphone, Wi-Fi, Car Remote ...

Min. Order: 2 Pieces
  • Size: 370 X 140 X 51mm
  • Weight: 3.5kg
  • Packing: Ployfoam and Carton
  • Standard: CE, ROSH
  • Port: Shenzhen
  • Production Capacity: 5000PCS/Month

6CH Desktop Classrooms, Military, Mobile Signal Jammer, Signal Blocker

Min. Order: 1 Piece
  • Application: Military Area
  • Frequency: 20-6000MHz
  • Frequency Range: 20-6000MHz
  • Shielding Signal: 4G,3G(Td/WCDMA/WCDMA2000),GSM900,CDMA,Dcs1800,WiFi
  • Shielding Distance: 2~50m
  • RF Output Power: 12-18W

High Power Table-Top Design WiFi2.4G WiFi5.8g Signal Blocker

FOB Price: US $520.24 / Piece
Min. Order: 1 Piece
  • Application: Office
  • Frequency: 1900~1990MHz
  • Frequency Range: DCS1800
  • Packing: Oringinal Factory Packing
  • Standard: CE
  • Port: Yantian

High Power 868MHz RF Jammer and 433.92MHz Car Remote Control Blocker

FOB Price: US $0.1 / Piece
Min. Order: 1 Piece
  • Application: Conference Center
  • Frequency: 433MHz 868MHz
  • Frequency Range: 433/868MHz
  • Car Remote Jammer: 868/433.92MHz
  • Remote Control Blocker: 50-100m
  • Jammer Power Supply: 9V Battery

Cell Phone 5 Bands Jammer/Blocker for 2g+3G+WiFi+Lojack; 5 Antenna Cell Jammer, GPS ...

FOB Price: US $1 / Piece
Min. Order: 1 Piece
  • Name: Cell Phone 5 Bands Jammer/Blocker
  • Protection Radius: Typical 2-50m
  • Weight: 2.5kg
  • Packing: Ployfoam and Carton
  • Standard: CE ROHS
  • Port: Shenzhen

High Power Indoor Cellular Signal Blocker (Jammer)

FOB Price: US $120 / Piece
Min. Order: 1 Piece
  • Type: 850MHz~6000MHz
  • Application: Optical Signal Transmission
  • Modulation: Vco
  • Receiver Chip: Hdt
  • Oscillator Circuit: PLL Frequency Synthesis
  • Jamming Target: Cell Phone; Wi-Fi Devices; Bluetooth

GSM Jammer Mobile Signal Blocker

Min. Order: 1 Piece
  • Application: Military Area
  • Frequency: 925~960MHz
  • Frequency Range: GSM900
  • Output Power: 2/5/10/20/40/50/100 Watts
  • Gain: 40- 50dB
  • Jammer Frequency: GSM

400W Signal Jammer Cell Jammer Signal Blocker (GW-J270W)

Min. Order: 1 Piece
  • Application: Military Area
  • Frequency: 1900~1990MHz
  • Frequency Range: PCS1900
  • Outdoor Using: Waterproof Jammer
  • Packing: Neutral Packing
  • Standard: ISO9001

Custom Size Automatic Remote Hydraulic Roadway Safety Road Blocker, Safety Parking ...

FOB Price: $3000 - $4000 / Meter
Min. Order: 1 Meter
  • Position: Vehicle Fence
  • Material: Steel
  • Function: Separation
  • Packing: One PC in Carton, Packing in Pallet
  • Standard: 5000*1000*760MM
  • Production Capacity: 1000m/Month

Police Stopped The Car Blocker

FOB Price: $288 - $350 / Piece
Min. Order: 10 Pieces
  • Type: Hydraulic Parking System
  • Working Mode: Unmanned
  • Driving: Positive Operation
  • Falling Prevention Device: Pull-Type
  • The Vehicle Inlet and Outlet: Center
  • Design: Double Post

High Power School Signal Blocker GSM Signal Blocker CDMA GPS Signal Blocker

FOB Price: $0.01 - $0.1 / Piece
Min. Order: 1 Piece
  • Model No.: PTC-Wp40W
  • Output Power: 40W
  • Total Working Bands: 8CH
  • Each Working Channels: 5W
  • Jamming Range: 10-50metering
  • Battery: 2hrs for Option

Road Blocker for Road Parking, Roadblocker

Min. Order: 1 Piece
  • Type: Traffic Cone
  • Material: Aluminum Alloy and Polycarbonate
  • Application: Road
  • Metal Type: Steel
  • Solar Cell Type: Monocrystalline
  • Light Color: Red or White

Remote Control Police Road Blocker for Traffic

FOB Price: $30 - $60 / Piece
Min. Order: 1 Piece
  • Model No.: Blk-R8
  • Weight: 16.5kg
  • Remote Range: 50m
  • Extendable Length: 8m
  • Packing: Standard Export Carton
  • Production Capacity: 20000PCS/Month

Mobile Phone Signal Blocker Jh-808A

FOB Price: $160 - $180 / Piece
Min. Order: 1 Piece
  • Certification: CE, ISO
  • Usage: Signal Jammer
  • Type: Sensor
  • Transmitted Power: 4.8W
  • Dcs/Phs Band Transmitting Frequency: 1805-1880MHz/1900-1990MHz
  • CDMA/GSM Band Transmitting Frequency: 860-970 MHz/925-960MHz

3 Antennas Portable Mini 3G Cellphone Signal Blocker

FOB Price: US $88.51 / Piece
Min. Order: 1 Piece
  • Application: Office
  • Frequency: 1900~1990MHz
  • Frequency Range: DCS1800
  • Packing: Oringinal Factory Packing
  • Standard: CE
  • Port: Yantian

8 Antennas CDMA GSM 3G 4G Cell Phone Signal Jammer UHF VHF Jammer Blocker

FOB Price: US $1 / Piece
Min. Order: 1 Piece
  • Application: Conference Center
  • Frequency: 925~960MHz
  • Frequency Range: GSM900
  • Cell Phone Jammer: for 4G 3G 2g
  • Jamming: GSM, 3G, 4G, WiFi, GPS, Lojack, UHF VHF
  • Jammer Band: 8 Bands

2015 Desktop 3G CDMA GSM Dcs WiFi Signal Blocker

Min. Order: 1 Piece
  • Signal Blocker: Signal Blocker
  • Packing: Ployfoam and Carton
  • Standard: CE ROHS
  • Port: Shenzhen
  • Production Capacity: 500000set Per Month
  • Trademark: Necom-telecom

Hand-Held GSM Mobile Signal Jammer / Blocker

FOB Price: $95 - $110 / Piece
Min. Order: 1 Piece
  • Type: 860MHz~2665MHz
  • Application: Optical Signal Transmission
  • Modulation: Vco
  • Receiver Chip: Hdt
  • Oscillator Circuit: PLL Frequency Synthesis
  • Jamming Target: Cell Phone; Wi-Fi Devices; GPS Devices

New Durable Iron Traffic Tyre Killer 485*1000*50mm One Way Road Traffic Road Blocker

FOB Price: $68 - $88 / Piece
Min. Order: 100 Pieces
  • Position: Vehicle Fence
  • Material: Steel
  • Function: Separation
  • Packing: Packing in Pallet
  • Standard: 485*1000*50mm
  • Production Capacity: 3000PC/Month

Anti-Terrorist Car Automatic Rising Bollard Blocker

FOB Price: $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
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