Home Security & Protection Sender, Receiver Blocker 2017 Product List
Total 9,928 products from about 472

 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
  • Production Capacity: 5000PCS/Month

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
  • Production Capacity: 5000PCS/Month
  • Trademark: Necom-telecom

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

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

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

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

Automatic Traffic Control Hydraulic Road Blocker for Roadway Safety Machine*

FOB Price: US $10 / Piece
Min. Order: 1 Piece
  • Position: Vehicle Fence
  • Material: Steel
  • Function: Obstruction
  • Post Fixation: Embedded Type
  • Degree of Distortion: Flexible Barrier
  • Opening Time: 1-3s

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

High Power Waterproof Prison Cellphone Signal Jammer, Signal Blocker

FOB Price: $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 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

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

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

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
  • Production Capacity: 5000PCS/Month
  • Trademark: Necom-telecom

1.56 Blue Light Blocker Lens

Min. Order: 100 Pairs
  • Usage: Optical
  • Type: Flat Lens
  • Transmittance: >95%
  • Shape: Single-lens
  • Material: Resin
  • Certification: ISO9001, CE

Suitcase High Power Drone / Uav Signal Jammer Signal Blocker

Min. Order: 1 Piece
  • Frequency Range: 5.8g WiFi,2.4G WiFi
  • Frequency: 5725-5858MHz,2400-2450MHz,2450-2500MHz,900-930MHz
  • Application: Conference Center
  • Total Working Bands: 8 Channels
  • Total Output: 200W
  • Shielding Radius: 200-500m

3 Antennas 3G Mobile Phone Signal Blocker

FOB Price: US $179.04 / Piece
Min. Order: 1 Piece
  • Frequency Range: GSM900
  • Frequency: 1900~1990MHz
  • Application: Conference Center
  • Packing: Oringinal Factory Packing
  • Standard: CE
  • Port: Yantian

VHF Jammer UHF Blocker UHF VHF Immobilizer

FOB Price: $240 - $295 / Piece
Min. Order: 1 Piece
  • Frequency Range: VHF135 ~ 155 MHz
  • Frequency: UHF: 420 ~ 450 MHz
  • Application: Conference Center
  • Total Output Power: 40W
  • Semidiameter of Interception: 30m
  • Jamming Range: 30m

Custom Size Automatic Remote Hydraulic Safety Parking Blocker

FOB Price: US $10 / Piece
Min. Order: 1 Piece
  • Position: Vehicle Fence
  • Material: Steel
  • Function: Separation, Obstruction
  • Post Fixation: Embedded Type
  • Degree of Distortion: Rigid Barrier
  • Opening Time: 1-3s

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

4 Bands Desktop 5.2g 5.8g Wi-Fi Signal Jammer Blocker

FOB Price: US $1 / Piece
Min. Order: 1 Piece
  • Type: Wireless
  • Usage: Auto
  • Certification: CE
  • Channel: 4CH
  • Receive Frequency: 2.4G,5.2g,5.8g
  • Transmission Rate: ≥20Kbps

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

FOB Price: $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

Mobile Phone Signal Frequecny Blocker

FOB Price: US $8000 / Piece
Min. Order: 1 Piece
  • Usage: Defense
  • Using Field: Land
  • Material: Aluminum/Alloy
  • Name: Portable Frequency Jammer
  • Internal Modulation: Dds or Analog
  • Operating Frequency: 20MHz-6000MHz

Road Dividers Barricade/Parking Barrier Gate/Car Blocker Parking Blockers

FOB Price: $3000 - $3500 / Piece
Min. Order: 1 Piece
  • Position: Vehicle Fence
  • Material: Steel
  • Function: Warning
  • Upright Post: 300*220*168
  • Post Fixation: Embedded Type
  • Degree of Distortion: Rigid Barrier

Wireless Alarms Jammer; 433, 315MHz Remote Control Jammer/Blocker, ...

FOB Price: US $1 / Piece
Min. Order: 1 Piece
  • Name: Wireless Alarms Jammer
  • Total Outputpower: 30W+
  • Weight: 5.5kg
  • Protection Radius: 2-50m
  • Packing: Ployfoam and Carton
  • Standard: CE ROHS

GSM Jammer Mobile Signal Blocker

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

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

Min. Order: 1 Piece
  • Frequency Range: VHF,2g,3G,4G,GPS,WiFi
  • Frequency: 200-6000MHz
  • Application: Military Area
  • Jamming Radius: 1 to 10 Meters
  • Antennas: 6 Omini Antenna
  • RF Output Power: 3W

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

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

600W High Power Prison Signal Jammer/Signal Blocker

FOB Price: $0.01 - $0.1 / Piece
Min. Order: 1 Piece
  • Part Number: PTC-Wp600W
  • Working Bands: 6bands
  • Total Output Power: 600W
  • Each Band Power: 100W
  • Jamming Range: 60-350meters
  • Remote Control: Infrared Remote Control

Road Blocker for Road Parking, Roadblocker

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

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
  • Port: Ningbo

Medium Power Portable Cellphone Signal Jammer, Signal Blocker

FOB Price: US $1 / Set
Min. Order: 1 Set
  • Type: 4G
  • Application: RF Jammer
  • Modulation: AM
  • Receiver Chip: NE564
  • Oscillator Circuit: DDS
  • Packing: Neutral Packing
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