8.4W 12 Antennas Handheld Signal Jammer with 20m Shielding Radius for Cell Phone and Mobile Signal Blocking

Name: 8.4W 12 Antennas Handheld Signal Jammer with 20m Shielding Radius for Cell Phone and Mobile Signal Blocking
Brand: Shenzhen Sacon Telecom Co., Ltd
SKU: SA-PJ12
Price: 5.00 USD
Availability: InStock

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8.4W 12 Antennas Handheld Signal Jammer with 20m Shielding Radius for Cell Phone and Mobile Signal Blocking

Large Image : 8.4W 12 Antennas Handheld Signal Jammer with 20m Shielding Radius for Cell Phone and Mobile Signal Blocking

Product Details:

Place of Origin:	China
Brand Name:	Sacontelecom
Certification:	ISO9001, CE
Model Number:	SA-PJ12

Payment & Shipping Terms:

Minimum Order Quantity:	10PCS
Price:	negotiation
Packaging Details:	Carton with PE Foam
Delivery Time:	Within 3 working days after received your payment
Payment Terms:	L/C,T/T,Western Union,Paypal
Supply Ability:	10000pcs/month

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8.4W 12 Antennas Handheld Signal Jammer with 20m Shielding Radius for Cell Phone and Mobile Signal Blocking

Description

Product Name:	5.8G Mobile Phone Jammer	Channels:	12
Frequency System:	2G 3G 4G WiFi GPS 5.8G Lojack VHF UHF	Output Power:	8.4W
Shielding Radius:	(2-20) Meters At -75dBm Still Depends On The Strength Signal In Given Area	Dimensions:	1659646mm (not Include Antenna)
Highlight:	cell phone signal blocker , cell phone signal scrambler , 8.4W 5.8g mobile phone jammer

8.4W 12 Antennas Handheld Cell Phone Signal Jamming Device Block 2.4G 5.8G Up To 20m

Product Overview

This 12-antenna handheld signal jammer SA-PJ12 features high-gain antennas with a shielding radius of 2-20 meters at -75dBm. Equipped with an advanced cooling system and individual band control via DIP switches, it offers versatile operation with car charging capability.

Portable jammer SA-PJ12.pdf

Key Features

12 independent frequency bands including 2G, 3G, 4G, 1.2G, 2.4G, 5.8G, GPS, WiFi, VHF, UHF, 315, 433, 868, and Lojack
Total output power: 8.4 watts
Built-in 10000mAh battery with 120 minutes working time
Dual power supply: AC charger (110-220V to DC12V) and car charger (DC12V)
Individual band control via DIP switches
Advanced cooling system with internal fans and large heat sink
Customizable frequencies available

Technical Specifications

Total Output Power: 8.4W
Battery: 10000mAh, 120 minutes working time
Power Supply: AC Charge (110-220V to DC12V) & Car Charge (DC12V)
Shielding Radius: 2-20 meters @ -75dBm (dependent on local signal strength)
Package Size: 245×235×70mm, 2.0kg

Type A Frequency Specifications

Channel	Output Port	Frequency Range	Average Output Power
1	4GLTE 700	700-803 or 790-862MHz	28.5dBm/0.7W
2	CDMA or RC868	851-894 or 868MHz	28.5dBm/0.7W
3	GPSL1	1570-1610MHz	28.5dBm/0.7W
4	Wi-Fi 2.4G	2400-2500MHz	28.5dBm/0.7W
5	3G	2110-2170MHz	28.5dBm/0.7W
6	4G2600 or 2300	2500-2690 or 2300-2400MHz	28.5dBm/0.7W
7	LOJACK or VHF	167-175 or 135-175MHz	28.5dBm/0.7W
8	RC315	315MHz	28.5dBm/0.7W
9	RC433 or UHF	433 or 400-470MHz	28.5dBm/0.7W
10	GSM	925-960MHz	28.5dBm/0.7W
11	DCS or PCS	1805-1880 or 1920-1990MHz	28.5dBm/0.7W
12	Wi-Fi 5.8G	5725-5850MHz	28.5dBm/0.7W

Type B Frequency Specifications

Channel	Output Port	Frequency Range	Average Output Power
1	4GLTE 700	700-803 or 790-862MHz	28.5dBm/0.7W
2	CDMA or RC868	851-894 or 868MHz	28.5dBm/0.7W
3	GPSL1	1570-1610MHz	28.5dBm/0.7W
4	GPSL2L5 or PCS	1170-1280 or 1920-1990MHz	28.5dBm/0.7W
5	3G	2110-2170MHz	28.5dBm/0.7W
6	4G2600 or 2300	2500-2690 or 2300-2400MHz	28.5dBm/0.7W
7	LOJACK or VHF	167-175 or 135-175MHz	28.5dBm/0.7W
8	RC315	315MHz	28.5dBm/0.7W
9	RC433 or UHF	433 or 400-470MHz	28.5dBm/0.7W
10	GSM	925-960MHz	28.5dBm/0.7W
11	DCS or PCS	1805-1880 or 1920-1990MHz	28.5dBm/0.7W
12	Wi-Fi 2.4G	2400-2500MHz	28.5dBm/0.7W

Note: Shielding radius depends on signal strength in the given area. Both types include 1-year warranty from delivery date.

Applications

This high-power handheld signal jammer is designed for Public Security, Bomb Squad, S.W.A.T, security forces, Anti-terrorist units, Border control units, Checkpoints, and personal use. Its portable design with built-in large capacity battery ensures flexible deployment in various operational scenarios.

Installation Steps

Charge battery for at least 8 hours before first use
Turn off power switch before charging. Charging indicator lights RED during charging and turns GREEN when complete
Install antennas and tighten according to number indicators
Turn on power switch - Power LED lights green and band LEDs illuminate (default). Use DIP switches to disable individual bands
Do not use while charging to prevent damage from high temperatures (up to 75°C)

Packing List

Main unit jammer x 1
Power adapter x 1
Car charger x 1
Omni antenna x 12
Nylon cover x 1

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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8.4W 12 Antennas Handheld Signal Jammer with 20m Shielding Radius for Cell Phone and Mobile Signal Blocking

8.4W 12 Antennas Handheld Signal Jammer with 20m Shielding Radius for Cell Phone and Mobile Signal Blocking

8.4W 12 Antennas Handheld Signal Jammer with 20m Shielding Radius for Cell Phone and Mobile Signal Blocking

cell phone signal blocker

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Overall Rating

Rating Snapshot

All Reviews

cell phone signal blocker,

cell phone signal scrambler,