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21W Output Power Portable Signal Jammer with 21 Antennas for 5G Lojack UHF VHF GPS WiFi Blocking

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4G 5G GPS Lojack Portable Signal Jammer 12w 12 Bands Nylon Case 30m Radius

4G 5G GPS Lojack Portable Signal Jammer 12w 12 Bands Nylon Case 30m Radius

Certification
China Shenzhen Sacon Telecom Co., Ltd certification
China Shenzhen Sacon Telecom Co., Ltd certification
Customer Reviews
It is very nice to cooperate with sacontelecom company, we ordered the high power UAV drone jammer, they have rich experience on shipment, we receive it without any problem. We have been working with sacontelecom for 4 years. A very honest company， thanks to be our parnter.

—— Patrick

We works with local goverment and military, sacontelecom works with us together to do vehicle bomb jamming system solutions. They are very patient in guiding and solving any problems that arise. It is a very pleasant cooperation. Very professional and trustworthy factory.

—— Fernando

It is our sixth time to cooperate with sacon telecom. After-sales service is very good. When we have probelm, they are very patient to guide us till the issue is solved. Thank you for your professional.

—— Lupu

Είμαι από την Ελλάδα, συστήνω αυτή την εταιρία σακόν τηλεπικοινωνιών. Είναι πολύ υπομονετικοί και επαγγελματίες. Γρήγορη αποστολή και καλή ποιότητα. Ευχαριστώ πολύ! Θα συστήσω στους φίλους μου να αγοράσουν.

—— Basilis Angelopoulos

Compramos los bloqueadores de señal de 315 mhz y 868 mhz 433 mhz, funcionó muy bien. Muchas gracias. Volveremos de nuevo si tenemos pedidos en el futuro.

—— Carlos Hernandez

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21W Output Power Portable Signal Jammer with 21 Antennas for 5G Lojack UHF VHF GPS WiFi Blocking

21W Output Power Portable Signal Jammer with 21 Antennas for 5G Lojack UHF VHF GPS WiFi Blocking
21W Output Power Portable Signal Jammer with 21 Antennas for 5G Lojack UHF VHF GPS WiFi Blocking
21W Output Power Portable Signal Jammer with 21 Antennas for 5G Lojack UHF VHF GPS WiFi Blocking 21W Output Power Portable Signal Jammer with 21 Antennas for 5G Lojack UHF VHF GPS WiFi Blocking 21W Output Power Portable Signal Jammer with 21 Antennas for 5G Lojack UHF VHF GPS WiFi Blocking

Large Image :  21W Output Power Portable Signal Jammer with 21 Antennas for 5G Lojack UHF VHF GPS WiFi Blocking

Product Details:
Place of Origin: China
Brand Name: Sacontelecom
Certification: ISO9001
Model Number: SA-PJ21
Payment & Shipping Terms:
Minimum Order Quantity: 5pcs
Price: 5pcs
Packaging Details: Neutral Packing Carton Box
Delivery Time: 3~7 working days after payment
Payment Terms: L/C,T/T,Western Union,Paypal
Supply Ability: 10000pcs/month
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21W Output Power Portable Signal Jammer with 21 Antennas for 5G Lojack UHF VHF GPS WiFi Blocking

Description
Product Name: Pocket Phone Blocker Output Power: 21watts
Frequencies: 800mhz, 900mhz, 1800mhz, 1900mhz, 2100mhz, 2.4G, RC, UHF VHF, 5.8G Battery: 16000mAH
Working Time: 2.5-3.0 Hours Jamming Radius: 5 To 30 Meters ( For UAV Drones 20 To 100m )
Highlight:

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WiFi Lojack Portable Signal Jammer 21 Antennas 21w 2G 3G 4G RC UHF VHF
Product Overview

This 5G portable signal blocker SA-PJ21 features 21 omnidirectional antennas with 1 watt output power per band, totaling 21 watts. The powerful portable jammer blocks 21 frequency bands including GSM900, CDMA800, CDMA450, DCS1800, PCS1900, 3G, 4G LTE, Wimax, RC remote control, GPS, WiFi, Bluetooth, spy camera, 5G, VHF, UHF, Lojack, and Walkie Talkie. Equipped with a built-in battery providing 2-3 hours of operation after full charge. Jamming range up to 30 meters, with UAV drone jamming capability up to 100 meters.

European Version Specifications
Output Interface Description Shield Band Frequency RF Output Power
CH14G LTE low738-830MHz1w
CH24G LTE low738-830MHz1w
CH3GSM900925-965MHz1w
CH4GSM900925-965MHz1w
CH5DCS18001800-1920MHz1w
CH6DCS18001800-1920MHz1w
CH73G UMTS2100-2170MHz1w
CH83G UMTS2100-2170MHz1w
CH9WIFI2.42400-2500MHz1w
CH104G LTE high2570-2690MHz1w
CH114G LTE high2570-2690MHz1w
CH125G+ GPS L1 +Glonass L11450-1620MHz1w
CH13Lojack 164MHz164-173MHz1w
CH14Remote Control315MHz1w
CH15UHF Remote Control433MHz1w
CH16Remote control868MHz1w
CH17WiFi 11.a5.1-5.9GHz1w
CH18GPS L2 + L5+ Glonass L21170-1280MHz1w
CH195G LTE3400-3600MHz1w
CH205G LTE3600-3800MHz1w
CH21UHF Remote Control400-480MHz1w
American Version Specifications
Output Interface Description Shield Band Frequency RF Output Power
CH14G LTE USA iPhone700-800MHz1w
CH24G LTE USA iPhone700-800MHz1w
CH3CDMA850850-895MHz1w
CH4CDMA850850-895MHz1w
CH5DCS1800, PCS19001800-2000MHz1w
CH6DCS1800, PCS19001800-2000MHz1w
CH73G UMTS2100-2170MHz1w
CH83G UMTS2100-2170MHz1w
CH94G LTE + WiFi 11.b & g2300-2500MHz1w
CH104G WiMAX Sprint2500-2700MHz1w
CH114G WiMAX Sprint2500-2700MHz1w
CH125G+ GPS L1 +Glonass L11450-1620MHz1w
CH13Lojack 164MHz164-173MHz1w
CH14Remote Control315MHz1w
CH15UHF Remote Control433MHz1w
CH16Remote control868MHz1w
CH17WiFi 11.a5.1-5.9GHz1w
CH18GPS L2 + L5+ Glonass L21170-1280MHz1w
CH195G LTE3400-3600MHz1w
CH205G LTE3600-3800MHz1w
CH21UHF Remote Control400-480MHz1w
Technical Specifications
  • Jamming Range: 5 to 30 meters (UAV Drones: 20 to 100m)
  • Distance varies depending on signal strength and location
  • Battery: Ni-Mh 16000mAh, operating time 2.5-3.0 hours
  • High output power: 1W per band, total 21W
  • Individual band ON/OFF control without affecting other bands
  • Advanced cooling system with heat sink and fan, temperature below 40℃
  • Supports operation while charging via AC adapter
  • Compatible with car charger power supply
  • All TX frequencies cover downlink only
  • Power Supply: AC100-240V or 12V Car Charger
  • Dimensions: 200 x 135 x 53mm (Main Unit only, excluding antennas)
  • Weight: 1.8 kg
Package Contents
  • 1x Portable Signal Jammer
  • 1x AC Charger
  • 1x Car Charger
  • 21x Antennas
  • 1x Holster
21W Output Power Portable Signal Jammer with 21 Antennas for 5G Lojack UHF VHF GPS WiFi Blocking 0

Overall Rating

5.0
Based on 50 reviews for this supplier

Rating Snapshot

The following is the distribution of all ratings
5 stars
100%
4 stars
0%
3 stars
0%
2 stars
0%
1 stars
0%

All Reviews

A
A*x
Russian Federation Mar 20.2026
Helpful (56)
quality is good and competitive price. Good after sales service. Fast shipment
R
R*o
Poland Feb 1.2026
Helpful (85)
good factory, each time answer questions fast. Thanks Jena
Tag:

4g cell phone signal jammer,

gsm gps jammer,

handheld phone jammer

Contact Details
Shenzhen Sacon Telecom Co., Ltd

Contact Person: Ms. Jena

Tel: +86-15818561923

Send your inquiry directly to us (0 / 3000)

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