8 Antennas 20m Range 4W Output Power Signal Jammer Mobile Phone Blocker WiFi Jammer

Name: 8 Antennas 20m Range 4W Output Power Signal Jammer Mobile Phone Blocker WiFi Jammer
Brand: Shenzhen Sacon Telecom Co., Ltd
SKU: SA-PJ08
Price: 5.00 USD
Availability: InStock

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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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8 Antennas 20m Range 4W Output Power Signal Jammer Mobile Phone Blocker WiFi Jammer

Large Image : 8 Antennas 20m Range 4W Output Power Signal Jammer Mobile Phone Blocker WiFi Jammer

Product Details:

Place of Origin:	China
Brand Name:	Sacontelecom
Certification:	CE, ISO9001
Model Number:	SA-PJ08

Payment & Shipping Terms:

Minimum Order Quantity:	10PCS
Price:	negotiate
Packaging Details:	Neutral Packing Carton Box
Delivery Time:	2 working days after receive payment
Payment Terms:	L/C,T/T,Western Union
Supply Ability:	10000pcs/month

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8 Antennas 20m Range 4W Output Power Signal Jammer Mobile Phone Blocker WiFi Jammer

Description

Product Name:	Vehicle Signal Jammer	Output Power:	4w
Jamming Range:	1 To 20 Meters Depending On The Environment Signal Strength	Power Supply:	Power Plug Or Built-in Battery
Size:	130mm80mm38mm	Weight:	1kg
Highlight:	4w Cell Phone Signal Blocker , 8 Antennas Mobile Cell Phone Jammer

2G 3G 4G WiFi 8 Antennas 20m Mobile Phone Blocker Jammer

Product Overview

This handheld signal jammer SA-PJ08 is our most popular item, sold worldwide. With 8 optical frequencies, this portable jammer effectively blocks all mobile phone signals including 2G, 3G, 4G, WiFi, VHF, UHF, Lojack, GPS, and Walkie-Talkie. Frequencies can be customized for specific countries including America, UK, Canada, Colombia, Mexico, Nigeria, South Africa, and others.

Featuring 4 watts total output power with a range up to 20 meters, this jamming device includes individual frequency switches for selective blocking. The built-in battery provides 1.5-2 hours of operation and supports car charging, making it suitable for use in vehicles, meeting rooms, conference rooms, trains, buses, and various other locations.

Key Features

8 high gain omni-directional antennas
Compact size for easy portability in bags or purses
Built-in rechargeable lithium battery
Charging via AC adapter or car charger
Frequency selectable operation
Safe for human body and electronic devices
4 watts total power with 20-meter range

Technical Specifications

Jamming Frequencies	CDMA800: 850-894MHz GSM900: 925-960MHz DCS/PCS: 1805-1990MHz 3G: 2110-2170MHz GPS: 1570-1610MHz WiFi: 2400-2485MHz LOJACK: 168-178MHz 4G(LTE): 2620-2690MHz or 2300-2400MHz
Jamming Radius	Up to 20 meters
Power Supply	Power plug or built-in battery
Built-in Battery	4000mA/H battery
Battery Life	1-2 Hours
Total Output Power	4W
Voltage	AC100-240V DC12V
Operating Temperature	-10℃ to +50℃
Operating Humidity	5% to 80%
Device Size	130mm × 80mm × 38mm
Device Weight	800 g

Usage Precautions

Jammers are customized for specific country frequency bands - ensure purchase and usage countries match
Low power jammers may have poor performance against high-power signal devices like WiFi routers or Bluetooth equipment
Forbidden to use while charging
Do not use handheld jammers as desktop jammers
Do not operate before connecting antennas

Package Contents

1 × Portable Wireless Signal Jammer
1 × Power Adapter (100-240V)
1 × Car Charger
1 × Manual

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

3 stars

2 stars

1 stars

All Reviews

A*x

Russian Federation Mar 20.2026

Helpful (56)

quality is good and competitive price. Good after sales service. Fast shipment

R*o

Poland Feb 1.2026

Helpful (85)

good factory, each time answer questions fast. Thanks Jena

Tag:

Contact Person: Ms. Jena

Tel: +86-15818561923

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8 Antennas 20m Range 4W Output Power Signal Jammer Mobile Phone Blocker WiFi Jammer

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