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Shenzhen Northvision Technologies Co., Ltd.

Camera, Voice Recorder, Detector manufacturer / supplier in China, offering IR 940nm Black LEDs MMS Hunting Camera with Night Vision (HC300MMS), 1080P Digial Trail Camera with 34 Infrared LED, 2.4G Wireless Babay Monitor, Analog Signal, 3.5inch LCD, Two Way Talk, Distance 100m, with Remote Control (NC-830) and so on.
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Show all products » Security Guard (Total 80 Products)
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1. Cdms/GSM+GPS+3G+Dcs/Phs 0-15meters Option Signal Jammer (TL92)

Product Name: CDMS/GSM+GPS+3G+DCS/PHS option signal jammer
Place of Origin: China
Mobile GPS and cell phone jammer with a extremely long jamming range of up to 15meters. If you ...

Min. Order: 1 Piece

2. Mobile Phone Blocking Bag Mobile Signal Jammer, Blocks All Mobile Phone Signals and All Frequencies World Wide

Mobile phone Blocking Bag Mobile Signal Jammer, Blocks All Mobile Phone Signals and All Frequencies World Wide

Feature:
Blocks All Mobile Phone Signals and All Frequencies ...

FOB Price: US $1.65-2 / Piece
Min. Order: 1 Piece

3. 11W 5 Antenna WiFi Signal Jammer

Mobile Phone and GPS Jammer


Specifications:
Cover interface standards:
-CDMA 870-880MHz 34.5dBm 5dBm/30KHz(min)
-GSM 930-960MHz 34.5dBm 5dBm/30KHz(min)
-DCS 1805-1880MHz ...

FOB Price: US $135-140 / Piece
Min. Order: 1 Piece

4. High Quality 5 Antenna GPS Signal Jammer

High quality 5 Antenna gps signal jammer


Specifications:
Cover interface standards:
-CDMA 870-880MHz 34.5dBm 5dBm/30KHz(min)
-GSM 930-960MHz 34.5dBm 5dBm/30KHz(min)
-DCS ...

FOB Price: US $135-140 / Piece
Min. Order: 1 Piece

5. Handheld Cheap GPS Jammer (808KB)

GPS jammer is for the signals of the global positioning system (GPS). It is a system for the worldwide determination of position.

By the relative mean transmission power of the ...

FOB Price: US $14.5-16 / Piece
Min. Order: 1 Piece

6. 808ka Car GPS Signal Jammer, Jammer Range: 5m, GPS 1600MHz

808KA car GPS signal jammer, jammer range: 5M, GPS 1600MHz
Features:
Prevent car from being tracked.
Prevent people from being tracked.
Prevent rented-car and lended-car ...

Min. Order: 1 Piece

7. Handheld Long Distance Range WiFi Signal Jammer

Handheld long distance range wifi signal jammer


Technical featureTaking use of super-high frequency and mini-power interference technology, high efficiency. Effectively making ...

Min. Order: 1 Piece

8. Good Quality GPS Signal Jammer

Handheld long distance range wifi signal jammer



Technical feature
Taking use of super-high frequency and mini-power interference technology, high efficiency. Effectively ...

Min. Order: 1 Piece

9. Long Effective Range Mobile Phone Signal Jammer

Long effective range mobile phone signal jammer



Technical feature
Taking use of super-high frequency and mini-power interference technology, high efficiency. Effectively ...

Min. Order: 1 Piece

10. Handheld Powerful GPS Signal Jammer (NG-121C)

Handheld powerful GPS signal jammer

Specifications
Isolating Signal Bandwidth:
CDMA/GSM: 850 to 960MHz
Wi-Fi: 2, 400 to 2, 500MHz
DCS: 1, 805 to 1, 880MHz or DCS/PCS: 1805 ...

FOB Price: US $115-118 / Piece
Min. Order: 1 Piece

11. 3W High Power 4G Signal Jammer (NG-161D)

3W High Power 4G signal jammer

·
Specifications:
Cover interface standards:
Style D:
CDMA/GSM: 850 to 960MHz
DCS: 1, 805 to 1, 880MHz or DCS/PCS: 1805 to ...

FOB Price: US $115-118 / Piece
Min. Order: 1 Piece

12. Low Price Mobile Phone Signal Jammer (110KC)

Low Price Mobile Phone Signal Jammer (110KC)


This product carry convenience, built-in lithium electricity, imitation full a electric can work for two hours or so, with car ...

FOB Price: US $19-21 / Piece
Min. Order: 1 Piece

13. 3W High Power Signal Jammer (NG-161A)

3W high power signal jammer (NG-161A)

Specifications:
Cover interface standards:
Style A:
CDMA: 850 to894MHz
GSM: 925-960MHz
DCS: 1, 805 to 1, 880MHz or DCS/PCS: 1805 ...

FOB Price: US $115-118 / Piece
Min. Order: 1 Piece

14. Portable WiFi Bluetooth 3G 4G Mobile Phone Blocker (NG-121B)

Portable WiFi Bluetooth 3G 4G Mobile Phone Blocker


The compact size jammer outputs 3W power and come with 6 powerful antennas. The shielding range reaches up to 20m, depending ...

FOB Price: US $115-118 / Piece
Min. Order: 1 Piece

15. 8 Antenna High Power GPS Signal Jammer

8 Antenna high power gps signal jammer



Specifications:
Cover interface standards:
(1) GSM: 925------ 960MHz
(2) DCS: 1805 ------ 1880MHz
(3) 3G: 2, 110 ------- 2, ...

FOB Price: US $148-159 / Piece
Min. Order: 1 Piece

16. 12 Antenna High Power GSM Signal Jammer

12 Antenna high power gsm signal jammer
Specifications:
Cover interface standards:
CDMA 800: 850 to 894MHz
GSM 900: 925 to 960MHz
GSM 1800: 1, 805 to 1, 880MHz (DCS)
GSM ...

FOB Price: US $300-320 / Piece
Min. Order: 1 Piece

17. Good Price Car GPS Signal Jammer (110KD)

Good price car gps signal jammer

This product appearance beautiful, used for the shielding GPS tracking, make sure that your whereabouts secret
Interference frequency: GPS 1500 ...

FOB Price: US $11.8-13 / Piece
Min. Order: 1 Piece

18. GPS Signal Jammer with Car Charger (NG-130C)

GPS signal jammer with car charger

This product carry convenience, hidden sex good, equipped with lithium electricity, battery under wired replacement, imitation full a ...

FOB Price: US $25-27 / Piece
Min. Order: 1 Piece

19. Mobile Phone and GPS Jammer (110KB-PRO)

Mobile Phone and GPS Jammer


This product carry convenience, built-in lithium electricity, imitation full a electric can work for two hours or so, with car charger and straight ...

FOB Price: US $19.5-21 / Piece
Min. Order: 1 Piece

20. Factory Price WiFi Signal Jammer up to 10m (NG-130D)

Factory price wifi signal jammer up to 10m

This product carry convenience, hidden sex good, equipped with lithium electricity, battery under wired replacement, imitation full a ...

FOB Price: US $25.5-27 / Piece
Min. Order: 1 Piece

21. 5 Antenna Mobile Phone Signal Jammer

5 antenna mobile phone signal jammer

It blocks these signals:

CDMA 850-894 MHz
GSM 925-960MHz
3G 2100-2170 MHz
DCS/PHS 1805-1990mhz
3G2 2015-2025mhz

ODM and OEM ...

FOB Price: US $42.5-49 / Piece
Min. Order: 1 Piece

22. Portable Cell Phone Signal Jammer (110KB)

Portable cell phone signal jammer


This product carry convenience, built-in lithium electricity, imitation full a electric can work for two hours or so, with car charger and ...

FOB Price: US $13-14 / Piece
Min. Order: 1 Piece

23. 1W Mini Portable Mobile Phone Signal Jammer (G88A)

Portable cell phone signal jammer

1W Mini Portable mobile phone signal jammer
Cover interface standards:
1) CDMA: 850 to 960MHz
(2) DCS: 1805 to 1880MHz or DCS/PCS: 1805 to ...

FOB Price: US $98.5-101 / Piece
Min. Order: 1 Piece

24. 3G Mobile Phone GSM 4G Signal Jammer (NG-131B)

3G Mobile Phone GSM 4G Signal Jammer


Total output power: 3W
Jamming range: Up to 20m, the jamming radius still depends on the strength signal in given area
External ...

FOB Price: US $115.5-117 / Piece
Min. Order: 1 Piece

25. Cell Phone Blocker with Cooling Fans (NG-121A)

Cell Phone Blocker with cooling fans


Taking use of super-high frequency and mini-power interference technology, high efficiency. Effectively making subsections. Just ...

FOB Price: US $83.5-86 / Piece
Min. Order: 1 Piece

26. Mini GSM Bug with Tracker Function

GSM Listening Devices, with voice trigger, Vibration alarm
1, Quad Band, 850/900/1800/1900MHz
2, Voice Trigger Alarm, Call back to your mobile phone
3, Vibration alarm, call ...

FOB Price: US $17.5 / Piece
Min. Order: 2 Pieces

27. Wh07 Wristband Hidden Voice Recorder 8GB with Time Setting

Wristband hidden Voice Recorder 8GB with time setting

1, Size: 42mm*18*9mm  21g
2,Build in 3.7V 110mah battery lasting about 20hours
3,Recording format  WAV 128kbps
4,8GB ...

FOB Price: US $15.5 / Piece
Min. Order: 1 Piece

28. GSM 8 Mains Socket Audio Bug Listening Device

GSM 8 mains socket audio bug listening device (Fully working)

Description for audio bug listening device:
Charger01 is not only a real 8 socket power extention plug but also a ...

Min. Order: 10 Pieces