20W Output Power 4 Bands WiFi Signal Jammer with 50m Jamming Range

Name: 20W Output Power 4 Bands WiFi Signal Jammer with 50m Jamming Range
Brand: Shenzhen Sacon Telecom Co., Ltd
SKU: SA-004S-D
Price: 5.00 USD
Availability: InStock

All Products

Anti Drone Jammer Module
(17)

Drone Signal Jammer
(95)

Mobile Phone Signal Jammer
(92)

Cell Phone Signal Jammer
(35)

Wifi Signal Jammer
(24)

Portable Signal Jammer
(32)

Prison Cell Phone Jammers
(19)

Cell Phone GPS Jammer
(30)

High Power Signal Jammer
(17)

Vehicle Mounted Jammer
(15)

Manpack Jammer
(25)

Convoy Bomb Jammer
(18)

Car Remote Signal Jammer
(16)

5G Signal Jammer Blocker
(23)

Mobile Signal Booster
(81)

Best Products

10 Channels Wifi Disruptor Jammer 100w

Cooling Fans WiFi Signal Jammer 2.4Ghz 5.2Ghz 5.8Ghz 52w For Museums Galleries

10 Bands Handheld Wifi Signal Jammer 5G 5ghz 4G 3G 2.4G GPS 10w 30m Range

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

I'm Online Chat Now

20W Output Power 4 Bands WiFi Signal Jammer with 50m Jamming Range

Large Image : 20W Output Power 4 Bands WiFi Signal Jammer with 50m Jamming Range

Product Details:

Place of Origin:	China
Brand Name:	Sacontelecom
Certification:	ISO9001
Model Number:	SA-004S-D

Payment & Shipping Terms:

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

Contact Now

20W Output Power 4 Bands WiFi Signal Jammer with 50m Jamming Range

Description

Product Name:	Wireless Wifi Jammer	Output Power:	20w
Jamming Range:	(2-50) Meters@-75dBm	Power Supply:	AC Adapter 50 To 60Hz, (AC110-240V-DC5V)
Work Time:	24 Hours	Weight:	4kg
Highlight:	wireless signal blocker , wifi signal scrambler

High Frequency 4 Bands Wifi Signal Blocker Device 50m Long Jamming Range

2 Big Fans 4 Bands Wifi Signal Jammer With 5w Per Band High Gain Antenna

This 4 antenna high power wifi phone jammer with outer detachable power supply features 20W high output power, stronger and longer omnidirectional antennas, and a powerful external power supply. The jamming distance reaches up to 50 meters depending on signal strength in the given area, effectively blocking CDMA, GSM, DCS, PCS, 3G, and 4GLTE700MHz signals simultaneously. The high-quality cooling system with internal cooling fans enables continuous 24/7 operation with stable performance.

Key Advantages

High output power: 3-5W per band, jamming up to 50m
Longer antennas with higher gain for optimal jamming effect
Built-in two cooling fans with low noise operation
Unlimited working time with continuous operation capability

Product Features

Latest high power Wifi Blocker with 4 bands for comprehensive jamming of all cellphone signals or WIFI2.4G/GPSL1 bands
Total output power: 20W with jamming range up to 50m
Enhanced external omnidirectional antennas with TX frequency covering downlink only
Advanced cooling system with internal cooling fan
Frequency options: DCS:1805-1880MHz or DCS/PCS:1805-1990MHz, plus 2.4G/GPSL1 (Optional)

Technical Specifications

Channel	Output Ports	Frequency Ranges	Average Output Power
1	CDMA / GSM	851-960MHz	38dbm/6W
2	PCS / DCS	1805-1990MHz	37dbm/5W
3	3G	2110-2170MHz	37dbm/5W
4	2.4G Wifi	2400-2500MHz	35dbm/3W

Optional Frequency Bands

Options	Frequency Ranges	Average Output Power
4G Wimax	2496-2690MHz	35dbm/3W
4G LTE	700-803MHz	37dbm/5W
GPS	1575MHz	37dbm/5W
UHF	400-470MHz	38dbm/6W
VHF	135-174MHz	38dbm/6W

General Specifications

Power supply: AC adapter 50 to 60Hz (AC110-240V-DC5V)
Dimensions: 210 x 50 x 170mm (width x height x length)
Package size: 49cm x 29cm x 15cm
Net weight: 3.0kg
Gross weight: 4.0kg
Total power: 20W
Shielding radius: 2-50 meters at -75dBm (dependent on signal strength in given area)
Warranty: One year from delivery date

OEM Customized Services

Optional frequency spreading includes: cellphone UHF/VHF walkie-talkie signals, GPSL1-L5 and more. Silkscreen OEM services are available.

Package Contents

1 desktop Wi-Fi signal jammer
1 AC outer detachable power supply
4 antennas

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

Other Products

9W Power 3 Channels Desktop Wifi Signal Jammer with 100m Range for Secure Areas

Product Name: Desktop signal jammer

Frequency: wifi 2.4G, wifi 5.2g, wifi 5.8g

Power: 9w

Jamming radius: 10-100m @depends on signal strength in the given area

AC240V 3 Channels WiFi Signal Jammer with 20m Range and 4000mAH Portable Battery

Product Name: GPS Blocker

Each band power: 1w

Jamming range: 1-20meters,depend On Mobile Signal Strength

Name: wifi handheld jammer

12 Antennas 80W Power Multi-Frequency Signal Jammer Desktop WiFi Blocker for 2G 3G 4G 5G WiFi GPS

Product Name: Desktop signal blocker

Output power: 80w

Jamming frequencies: 2G 3G 4G 5G WiFi GPS

Power Supply: AC110-240V to DC24V

Europe Type 24 Channels WiFi Signal Jammer with 150 Minutes Battery Life and 30m Shielding Radius

Product Name: Mobile phone blocker

Shielding radius: (2-30) meters at -75dBm Still depends on the strength signal in given area

Built-in battery: 7.4V/12000mAh

Battery working time: 150 minutes

Portable WiFi Signal Jammer Blocker with 3 Channels (2.4G, 5.2G, 5.8G) and 10-15m Range

Product name: Wifi jammer

Frequencies: 2.4G 5.2G 5.8G

Jamming distance: 10-15 M (depending on the signal strength of WIFI using the jammer)

Built-in battery: 12V 4ah

20W Output Power 4 Bands WiFi Signal Jammer with 50m Jamming Range

20W Output Power 4 Bands WiFi Signal Jammer with 50m Jamming Range

20W Output Power 4 Bands WiFi Signal Jammer with 50m Jamming Range

wireless signal blocker

wifi signal scrambler

Overall Rating

Rating Snapshot

All Reviews

wireless signal blocker,

wifi signal scrambler,