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300W High Power Waterproof Signal Jammer with Omni Fiberglass Antenna for Prison and Open Areas

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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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300W High Power Waterproof Signal Jammer with Omni Fiberglass Antenna for Prison and Open Areas

300W High Power Waterproof Signal Jammer with Omni Fiberglass Antenna for Prison and Open Areas
300W High Power Waterproof Signal Jammer with Omni Fiberglass Antenna for Prison and Open Areas

Large Image :  300W High Power Waterproof Signal Jammer with Omni Fiberglass Antenna for Prison and Open Areas

Product Details:
Place of Origin: China
Brand Name: Sacontelecom
Certification: ISO9001
Model Number: SA-006J
Payment & Shipping Terms:
Minimum Order Quantity: 2pcs
Price: negotiation
Packaging Details: Packed in carton firstly, and then reinforced with wooden case for outer packing
Delivery Time: 7~10 days for sample
Payment Terms: L/C,T/T,Western Union,Paypal
Supply Ability: 500pcs/month
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300W High Power Waterproof Signal Jammer with Omni Fiberglass Antenna for Prison and Open Areas

Description
Output Power: 300W Jamming Range: Up To 300m
Antennas: Omni Fiberglass Or Directional Panel Antenna Power Supply: AC220V
Name: Cell Phone Signal Jammer Feature: Waterproof
Highlight:

high power cell phone jammer

,

high power mobile phone jammer

300W Power Mobile Phone High Power Signal Jammer For Prison Open Area
Product Overview

6 Bands 300W High Power Waterproof Mobile Phone Jammer Blocker - Effectively jams GSM, 3G, 4G, WiFi mobile signals for prisons and open areas. Supplier provides 1-year warranty!

Frequency Can Be Customized!

This waterproof jammer features a high-quality waterproof case that ensures equipment stability even in adverse weather conditions. Equipped with special high-gain directional panel antennas or fiberglass omni-directional antennas, it effectively blocks CDMA/GSM/DCS/3G/4G LTE/WiMAX signals.

Utilizing advanced overseas chips and technology with independent modular design, it maintains high operational efficiency while avoiding mutual interference. With 50 watts per band and total RF power of 300 watts, plus power-adjustable switches to control the radius range, it's ideal for prisons, detention houses, bases, large oil fields, and other outdoor locations requiring signal blocking.

Technical Specifications
Output Interface Shield Band Frequency RF Output Power Output Power/Channel
CDMA 800 851 - 894 MHz 47dBm 27dBm/30KHz(min)
GSM 900 925 - 960 MHz 47dBm 27dBm/30KHz(min)
DCS/PCS 1805 - 1990 MHz 47dBm 24dBm/30KHz(min)
3G 2100 2110 - 2170 MHz 47dBm 24dBm/30KHz(min)
LTE 700 or 800 725-770MHz or 790-826MHz 47dBm 24dBm/30KHz(min)
Wimax or 4G 2600 2300-2390MHz or 2620-2690 MHz 47dBm 24dBm/30KHz(min)
  • Power Supply: AC220V
  • Shielding Area: 50-300M (Based on -80dBm signal strength)
  • Power Consumption: 800W
  • Weight: 30Kg
  • Size (L×W×H): 460×390×260mm
  • Humidity: 30%-95%
  • Operating Temperature: -20 to +55°C
Competitive Advantages
  • High-quality waterproof case ensures equipment stability even in adverse weather conditions
  • Advanced cooling system enables continuous long-term operation
  • Digital interference technology provides comprehensive suppression of target spectrum
  • Independent modular design allows separate switching, disassembly, and convenient maintenance and updates
  • Comprehensive alarm system with fully protected circuitry prevents damage from antenna disconnection
Applications
  • Prisons
  • Military Camps
  • Detention Houses
  • Oil Fields
  • Museums
  • Law Enforcement
  • Secret Services
300W High Power Waterproof Signal Jammer with Omni Fiberglass Antenna for Prison and Open Areas 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:

high power cell phone jammer,

high power mobile phone jammer,

radio frequency jamming devices

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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