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bluetooth blocker

21 Bands Portable Handheld Cellphone Signal Security Device

ZD-SJ-21B
This advanced communication management device delivers strong and flexible signal regulation capabilities for security and privacy protection applications. Portable and highly efficient, it effectively manages a wide range of wireless signals while maintaining stable performance across diverse environments.Equipped with intelligent temperature control and adaptable power configurations, the unit ensures extended service life and consistent operation. Featuring precise frequency selection and even signal coverage, it offers reliable performance in professional scenarios.Its compact and rugged structure guarantees long-lasting durability without sacrificing functionality. Backed by comprehensive technical support, this solution embodies leading technology in standardized signal management, striking an optimal balance between performance and usability to satisfy diverse operational requirements.
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This high-performance signal Security device is designed to deliver stable and efficient signal management across 21 key frequency bands, ideal for security, privacy protection and controlled environment applications. It can regulate cellular, GPS, Wi-Fi and remote-control signals with a total 21W output, covering an effective radius of 10–30 meters.Supporting dual power supplies and a 16000mAh battery, it offers up to 3 hours of continuous use. Compact and portable, this radiosupports independent adjustment for each band.As a professional frequency blocker, it covers 5G/4G/3G/GSM bands and features effective bluetooth blocker functions for 2.4GHz and 5.1–5.9GHz signals. With omnidirectional antennas and reliable thermal control, it ensures steady performance.

E(Europe) 5G + 5GHZA (America) 5G + 5GHz
 2 x 758-830MHz: 1.0W  5G, 4G LTE Low (Two Bands) 2 x 850-895MHz: 1.0W  CDMA 850 (Two Bands)
2 x 920-965MHz: 1.0W  GSM900 (Two Bands) 2 x 1800-2000MHz: 1.0W  DCS, PCS (Two Bands)
2 x 1800-1920MHz: 1.0W DCS (Two Bands) 2 x 2100-2170MHz: 1.0W  3G, UMTS (Two Bands)
2 x 2100-2170MHz: 1.0W 3G, UMTS (Two Bands)2300-2500MHz: 1.0W 4G LTE + WiFi 11.b & g
2400-2500MHz: 1.0W  WiFi 11.b & g 2 x 2500-2700MHz:1.0W 4G WiMAX Sprint (Two Bands)
2 x 2570-2690MHz:1.0W 4G LTE High (Two Bands) 2 x 700-800MHz: 1.0W 4G LTE USA Phone (AT&T & Verizon) (Two Bands)
1450-1620MHz 1.0W 5G+ GPS L1 +Glonass L11570-1620 MHz: 1.0W GPS L1 + Glonass L1
164-173MHz :1.0W  Lojack 164MHz173MHz 1.0W
315MHz :1.0W Remote Control315MHz :1.0W Remote Control
433MHz :1.0W UHF Remote Control433MHz :1.0W UHF Remote Control
868MHz: 1.0W Remote Control868MHz: 1.0W Remote Control
5.1-.5.9GHz :1.0W WiFi 11.a    5.1-.5.9GHz :1.0W WiFi 11.a
1170-1280MHz: 1.0W GPS L2 + L5+ Glonass L21170-1280MHz: 1.0W GPS L2 + L5+ Glonass L2
5G 3400-3600MHz 1.0W 5G LTE5G 617-652MHz 1.0W 5G LTE
5G 3600-3800MHz 1.0W 5G LTE1700-1800MHz : 4G LTE
400-480MHz :1.0W UHF Remote Control  400-480MHz :1.0W UHF Remote Control
Total: 21.0 WTotal: 21.0 W
Power supply:AC100-240V or 12V Car Charger
Jamming Range:Radius 10-30 meters (-75dBm@Omnidirectional antennas) 
Working time:

2.5 Hours,  Battery:Ni-Mh battery 16000mAH

Can Turn on and Charging at the same time, Each Band can Turn ON/OFF,

Battery Status LCD

Weight:3.0kg
Dimension:220 x 140x 70mm (Main Unit only, do not include Antennas)
Warranty:1 year

Europe Type: 21 Bands

1: 164-173MHz Lojack

2 & 19 : 1800-1920MHz: DCS, GSM1800, PHS, PCS, CDMA1900

3 & 20: 2100-2170MHz: UMTS, 3G, WCDMA, TD-SCDMA, CDMA2000

4 & 21: 2570-2690MHz: 4G High WiMax2, 4G LTE

5: 1450-1620MHz GPS L1 + Glonass L1 +5G LTE

6 & 18: 920-965MHz: GSM900

7: 2400-2500MHz: WiFi/Bluetooth 11.b. g.

8 & 17:758-830MH: 5G, 4G Low LTE , 4G WiMax

9: 1170-1290MHz GPS L2 + L5+ Glonass L2

10: 5.1-5.9GHz: WiFi 5GHz 11.a

11:868MHz: Car Remote or GPS L2+L5

12: 433MHz Car Remote

13 315MHz Car Remote

14: 400-480MHz UHF & Car Remote

15:3400-3800MHz  5G LTE

16:3400-3800MHz  5G LTE

America Type:21 Bands

1: 173MHz Lojack

2 & 19: 1800-1990MHz: GSM, GSM1800, PHS, PCS, NEXTEL, CDMA1900, GSM1900

3 & 20: 2100-2170MHz: UMTS, 3G, WCDMA, TD-SCDMA, CDMA2000

4 & 21: 2500-2700MHz: 4G Wimax (Sprint), 4G High LTE

5: 1570-1620MHz GPS L1 + Glonass L1

6 &18: 850-895MHz: CDMA 850

7: 2300-2500MHz: WiFi/Bluetooth 11.b. g.+ 4G LTE

8 &17 : 720-805MHz 4G LTE Phone (AT&T & Verizon)

9: 1170-1290MHz GPS L2 + L5+ Glonass L2

10: 5.1-5.9GHz: WiFi 5GHz 11.a

11:868MHz: Car Remote or GPS L2 + L5

12: 433MHz: Car Remote or GPS L3 + L4

13 315MHz Car Remote

14: 400-480MHz UHF & Car Remote

15: 617-652MHz 5G LTE

16: 1700-1800MHz 4G LTE

Shipping Information

FOB PortShenzhen
Weight per Unit3.0 Kilograms
HTS Code8543.70.00
Export Carton Dimensions L/W/H26 x 18 x 72 Centimeters
Lead Time1-5 days
Dimensions per Unit22.0 x 14.0 x 70.0 Centimeters
Units per Export Carton1.0
Export Carton Weight3 Kilograms