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400W 4 Bands Prison Jail Signal Jammer for Mobile Phone and RF Blocking

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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 4 Bands Prison Jail Signal Jammer for Mobile Phone and RF Blocking

400W 4 Bands Prison Jail Signal Jammer for Mobile Phone and RF Blocking
400W 4 Bands Prison Jail Signal Jammer for Mobile Phone and RF Blocking 400W 4 Bands Prison Jail Signal Jammer for Mobile Phone and RF Blocking

Large Image :  400W 4 Bands Prison Jail Signal Jammer for Mobile Phone and RF Blocking

Product Details:
Place of Origin: China
Brand Name: Sacontelecom
Certification: ISO9001
Model Number: SA-004H
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: 15 working days after received your payment
Payment Terms: L/C,T/T,Western Union,Paypal
Supply Ability: 100pcs/month
Contact Now

400W 4 Bands Prison Jail Signal Jammer for Mobile Phone and RF Blocking

Description
Product Name: 400w Prison Jail Signal Jammer Antennas: Omni-directional Or Directional
Operating Temp: -10 To 55℃ Shielding Area: 100~300(m) @according To Signal Density Mobile
Weight: 22kg Dimension(L*W*H): 39cm*39cm*25cm
Highlight:

4 Bands Mobile Phone Scrambler

,

CDMA Mobile Phone Scrambler

,

GSM DCS Prison Jail Signal Jammer

400W 4 Bands Mobile Phone Scrambler CDMA GSM DCS Prison Jail Signal Jammer
This high-power 4-band mobile phone signal jammer is specifically designed for prison and jail environments. Equipped with special high-gain directional planar antennas or fiberglass omni-directional whip antennas, this wireless jammer effectively blocks CDMA, GSM, DCS, 3G, LTE, and WiMAX signals.
Technical Specifications
Description Specifications
CDMA 851~894MHz
GSM 925~960MHz
DCS 1805~1880MHz
PCS/3G 1930~1990MHz/2110~2170MHz
Average Output Power 50dBm
Shielding Area 100~300 meters (depending on signal density)
Output Power 400W
Power Supply AC 110-240V
Energy Consumption 450W
Running Temperature -10 ~ 55℃
Dimensions 39×39×25cm
Weight 10-12Kg
Key Features
  • Light weight with very high output power
  • Advanced cooling system for continuous operation
  • Comprehensive circuit, shock, temperature and voltage protection
  • 400W output power with extended jamming range
  • 4 channels with different frequency ranges, customizable for various cellular standards
  • Individual channel control with manual power adjustment
Competitive Advantages
  • Advanced cooling system enables long-term continuous operation
  • Digital interference technology for effective spectrum suppression
  • Independent modular design for easy maintenance and upgrades
  • Comprehensive alarm system with circuit protection
Applications
  • Prisons, jails, and correctional centers
  • Government facilities and military bases
  • Homeland security operations
  • Petrochemical industry facilities
  • Educational institutions and libraries
  • Healthcare facilities and religious places
  • VIP protection and bomb prevention operations
  • Sports venues and theaters
Package Contents
  • 1 × Mobile Signal Jammer Master Unit
  • 1 × English User Manual (digital version available)
  • AC Power Charger (region-specific)
  • Mounting Screws
  • 2 × External Directional Antennas (Dual Band) or 4 × Omni Antennas
  • 1 × Car Charger
400W 4 Bands Prison Jail Signal Jammer for Mobile Phone and RF Blocking 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:

mobile phone scrambler,

mobile phone blocker jammer,

mobile phone signal blocker

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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