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400W Waterproof 4 Bands Cell Phone Jammer Signal Jammer for Prison Jail and Outdoor Use

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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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400W Waterproof 4 Bands Cell Phone Jammer Signal Jammer for Prison Jail and Outdoor Use

400W Waterproof 4 Bands Cell Phone Jammer Signal Jammer for Prison Jail and Outdoor Use
400W Waterproof 4 Bands Cell Phone Jammer Signal Jammer for Prison Jail and Outdoor Use 400W Waterproof 4 Bands Cell Phone Jammer Signal Jammer for Prison Jail and Outdoor Use

Large Image :  400W Waterproof 4 Bands Cell Phone Jammer Signal Jammer for Prison Jail and Outdoor Use

Product Details:
Place of Origin: China
Brand Name: Sacontelecom
Certification: ISO9001
Model Number: SA-004J
Payment & Shipping Terms:
Minimum Order Quantity: 3pcs
Price: negotiation
Packaging Details: Packed in carton firstly, and then reinforced with wooden case for outer packing
Delivery Time: 7~10 work days after receive payment
Payment Terms: L/C,T/T,Western Union,Paypal
Supply Ability: 100pcs/month
Contact Now

400W Waterproof 4 Bands Cell Phone Jammer Signal Jammer for Prison Jail and Outdoor Use

Description
Product Name: Waterproof Anti 400w Signal Jammer Application: Prison, Jail,
Jamming Range: 50 - 600meters,depend On Signal Strength Of Mobile Network Antennas: Omni Fiberglass Or Directional Panel Antenna
Operating Temp: -20℃ To +55℃ Weight: 28kg
Highlight:

cell phone signal blocker

,

cell phone signal scrambler

400W Waterproof Mobile Cell Phone Jammer 4 Bands For Prison Jail
Product Overview

This 4 bands 400W waterproof cell phone signal jammer is designed for prison and jail applications. Featuring a high-quality waterproof case, the equipment maintains stability even in adverse weather conditions.

Equipped with special high-gain directional planar antennas or fiberglass omni-directional whip antennas, this waterproof signal jammer effectively blocks CDMA/GSM/DCS/3G/LTE/WiMAX/WiFi/GPS signals.

Utilizing advanced overseas chip technology with independent modular design, it ensures high operational efficiency while preventing mutual interference between modules.

With 100 watts per band and total RF power of 400 watts, this signal blocker includes power adjustable switches to control the jamming radius. It is suitable for prisons, detention houses, military bases, large oil fields, and other outdoor locations requiring signal blocking.

Competitive Advantages
  • High-quality waterproof case ensures equipment stability in adverse weather conditions
  • Advanced cooling system enables extended operation periods
  • 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 circuits for antenna disconnection scenarios
Key Features
  • High-power multi-band jammer with extended jamming range
  • Modular construction for easy maintenance, repair, and upgrades
  • Capable of jamming up to 4 different frequency modules
  • Maximum 400 watts total RF output power
  • Special housing for all-weather protection
  • Independent control of different frequency bands via individual switches
  • Power amplifier protection design ensures device reliability
  • Customizable frequencies including AM/FM Radio, LoJack, VHF, UHF, Walkie-talkie, Wireless Toys, Remote Control, and various mobile and GPS frequencies
Applications
  • Prisons
  • Military camps
  • Detention houses
  • Oil fields
  • Museums
  • Law enforcement
  • Secret services
Technical Specifications
Output Interface Description Shield Band Frequency RF Output Power
CH1 CDMA800 851-894 MHz 50dBm
CH2 WCDMA 3G 2110-2170 MHz 50dBm
CH3 GSM900 925-960 MHz 50dBm
CH4 GSM1800 / PCS 1900 1805-1880 MHz / 1930-1990 MHz 50dBm

Optional Frequencies: WiFi 2.4G (2400-2485 MHz), LTE 2600 (2620-2690 MHz), GPS L1 (1570-1580 MHz), LTE 800 (790-821 MHz)

Power Supply: AC220V or 110V

Total Output Power: 400W

Power Consumption: 1200W

Weight: 28Kg

Dimensions: 592×395×265mm (L×W×H)

Humidity: 30%-95%

Operating Temperature: -20℃ to +55℃

Jammer Modules: 4

Cooling System: Systematic Smart Cooling System

System Protection: VSWR, Over-voltage Circuit, Shock, Temperature

Jamming Source: Frequency Scan Technology

Antenna Type: High Gain Directional Panel Antennas or Omni Antenna

Jamming Range: 50-600m (depending on mobile network signal density)

400W Waterproof 4 Bands Cell Phone Jammer Signal Jammer for Prison Jail and Outdoor Use 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:

cell phone signal blocker,

cell phone signal scrambler,

mobile cell phone jammer

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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