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30 Watt 12 Bands Mobile Phone Signal Jammer with Good Cooling System for Conference Rooms and Exam Halls

Name: 30 Watt 12 Bands Mobile Phone Signal Jammer with Good Cooling System for Conference Rooms and Exam Halls
Brand: Shenzhen Sacon Telecom Co., Ltd
SKU: SA-012B
Price: 5.00 USD
Availability: InStock

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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.

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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.

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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.

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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.

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30 Watt 12 Bands Mobile Phone Signal Jammer with Good Cooling System for Conference Rooms and Exam Halls

Large Image : 30 Watt 12 Bands Mobile Phone Signal Jammer with Good Cooling System for Conference Rooms and Exam Halls

Product Details:

Place of Origin:	China
Brand Name:	Sacon
Certification:	ISO9001
Model Number:	SA-012B

Payment & Shipping Terms:

Minimum Order Quantity:	5pcs
Price:	negotiation
Packaging Details:	Jammer Kit 1pc,Omni Antenna 12pcs,Adapter * 1pc,Car Charger * 1pc
Delivery Time:	3~5 work days after receive payment
Payment Terms:	L/C,T/T,Western Union,Paypal
Supply Ability:	5000pcs/month

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30 Watt 12 Bands Mobile Phone Signal Jammer with Good Cooling System for Conference Rooms and Exam Halls

Description

Product Name:	12 Bands Mobile Signal Blocker	Working Time:	24 Hours
Weight:	6kg	Output Power:	30w
Jamming Range:	5 - 50meters Depend On Mobile Signal Strength	Application:	Conference Room, Auditoriums, Law Court, Library, Exam Room Etc
Highlight:	mobile phone signal blocker , mobile phone scrambler

315MHz / 433MHz Mobile Phone Network Jammer 30 Watt With Good Cooling System

Product Overview

This full spectrum 12-channel signal jammer effectively blocks cheating signals with adjustable power per channel. Designed for DC 12V power supply, it features a professional cooling system with four mute fans for stable long-term operation in high-temperature environments.

Key Advantages

Advanced cooling system with internal cooling fans
Individual band adjustment and control without affecting other bands
24-hour continuous operation capability
Exceptional stability and reliability
Direct vehicle compatibility with car charger (optional)

Product Features

12-antenna design for comprehensive signal jamming
Covers 2G, 3G, 4G mobile signals, VHF/UHF walkie-talkies, WiFi, GPS, LOJACK, and remote control bands (433MHz, 315MHz)
Total output power: 25-30W with jamming range up to 50m (10m for VHF/UHF)
External omni-directional antennas for enhanced coverage
Transmit frequency covers downlink only
ODM and OEM support with customizable band selection

Technical Specifications

Output Port	Frequency	Average Output Power	Output Power
CDMA800	851-894MHz	35dBm	3W
GSM900	925-960MHz	35dBm	3W
DCS1800/PCS1900	1805-1880MHz/1930-1990MHz	33dBm	2W
3G	2110-2170MHz	33dBm	2W
GPS	1570-1580MHz	32dBm	2W
WIFI	2400-2500MHz	32dBm	2W
4G LTE 800	791-821MHz	35dBm	3W
4G LTE700 (Optional)	725-770MHz	35dBm	3W
4G LTE2600	2620-2690MHz	33dBm	2W
4G LTE 2300 (Optional)	2300-2400MHz	33dBm	2W
VHF	135-174MHz	33dBm	2W
UHF	400-470MHz	33dBm	2W
LOJACK	170MHz-175MHz	33dBm	2W
RF	433MHz	33dBm	2W
RF (Optional)	315MHz	33dBm	2W

Total Output Power: 25-30 Watt

Power Supply: AC110-240V, DC 12V

Power Consumption: 90 Watt

Weight: 6.0kg

Size: 330*238*60mm

Running Temperature: -10℃ to +55℃

Humidity: 5% - 95%

Jamming Range (Radius): 5-50 meters (dependent on local signal strength)

Important Usage Notice

Do not power on before connecting all antennas. Never remove antennas during operation.
Install in well-ventilated areas. Avoid large obstructions for optimal shielding effect.
Take waterproofing precautions when using outdoors.
Always position antennas vertically to the ground.
For vehicle use, ensure the car output adapter is DC12V compatible.

Package Contents

1 x Mobile Signal Jammer Master Unit
1 x English User Manual (digital version available via email)
AC Power Charger (region-specific standard)
Mounting Screws
Band Specific Antennas x 12
1 x Car Charger

Application Areas

Primary Applications: Meeting rooms, conference rooms, museums, galleries, theaters, concert halls, churches, temples, restaurants, classrooms, training centers, factories, banks, trains, buses.

Special Note: For sensitive locations like hospitals and gas stations, conduct field testing first to ensure no interference with normal equipment operation.

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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30 Watt 12 Bands Mobile Phone Signal Jammer with Good Cooling System for Conference Rooms and Exam Halls

30 Watt 12 Bands Mobile Phone Signal Jammer with Good Cooling System for Conference Rooms and Exam Halls

30 Watt 12 Bands Mobile Phone Signal Jammer with Good Cooling System for Conference Rooms and Exam Halls

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