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Portable Case Cellular Blocker Built in Rechargeable Battery Directional Antennas

Place of Origin CHINA
Brand Name EST
Certification CE&ROHS
Model Number EST-805B11
Minimum Order Quantity 1PC
Packaging Details neutral packing
Delivery Time 1-3 working days
Payment Terms 100% before shipment, Western Union, T/T
Supply Ability 500pcs/week

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Product Details
Working Frequency 1-6000MHz Blocking Objects Mobile Phone, WIFI, Walkie Talkie, Remote Control And Etc.
Power Supply Built-in Rechargeable Battery, AC 100-240V, DC 24V Shielding Radius 5-80m
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Rechargeable Battery Cellular Blocker

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Product Description

High Power Portable Case Cellular Blocker with Built-in Rechargeable Battery and Directional Antennas


Product Description:

Portable Cell Phone Jammer is a compact, lightweight and portable device which can effectively block GSM signals, 5G signals, VHF UHF signals and 4G signals, making it ideal for use in almost any location. It features an internal and external antenna for maximum coverage and jamming range up to 25m, as well as a working temperature range of -20℃ to +50℃. Furthermore, it comes with a built-in battery providing 3 hours of charging time, and a dimension of 110x62x30mm for maximum portability.

This Portable Cell Phone Jammer is perfect for use in public places, office buildings, vehicles, or anywhere else where you need to block mobile phone signals. It is an ideal solution for anyone looking for a reliable, easy-to-use portable jammer.



*Fashion design, explosion-proof outer case and light weight for hand-held.
*Bi-power use in AC plug in, built-in battery or use your own DC 24V 20A power adaptor / 24V battery for emergency use.
*Four channel switch to control with OFF/Charging/AC 220V Power Supply/DC 24V Battery Power Supply.
*With power adjustable button, can switch on/off of each channel separately.
*Low battery alarm LED screen with sound and jumping to help get battery using status.
*Low noise, good cooling system with 5 high power cooling fans and big aluminum heat sink inside the box.
*High Gain antenna, power adjustable button to suit for using anywhere.
*Import original IC, SMT technology.
*With antenna fixation base to avoid damage during shipping and using.
*Effectively shielding CDMA / GSM / DCS / PHS / 3G / 4G / 5G and other mobile phone signals.
*Can shield 2.4G WIFI / 5.2G WIFI / 5.8G WIFI and wireless video transmission signal(optional).


Technical Parameters:

Parameter Value
Jamming Range Up To 25m
Frequency GSM/ CDMA/ DCS/ PHS/ 3G/ 4G/ WIFI/ GPS/ VHF/ UHF/ Lojack
Working Temperature -20℃ To +50℃
Type Small Handheld Wireless Signals Blocker
Color Black, Silver, Or Custom
Battery Capacity 2200mAh (different Models With Different Capacity)
Dimension 110x62x30mm
Charging Time 3 Hours (depends On The Battery Capacity)
Product Name Portable Cell Phone Jammer
Material Aluminum Alloy
Key Words 1-25m Blocking Radius, 5G Signals Jammer, Easy Carry Anywhere




*Bank, conference room, auditoriums, law court, library, exam room, school, cinema, theater, and hospital etc.
*At places where using mobile phones and GPS tracking is prohibited such as government, military, finance, security, police and command center etc.



* available TX frequency, or can be customized
1st Channel: CDMA850/GSM900: 869-960MHz
2nd Channel: DCS1800: 1805-1880MHz
3rd Channel: 3G2100/CDMA2000: 2010-2170MHz
4th Channel: 4G LTE2500/2600: 2496-2690MHz
5th Channel: 4G700: 738-803MHz
6th Channel: 4G450: 450-470MHz
7th Channel: 4G2300/WiFi 2.4G: 2300-2500MHz
8th Channel: 5G3300: 3300-3400MHz
9th Channel: 5G3500: 3400-3600MHz
10th Channel: 5G3700: 3600-3800MHz
11th Channel: WiFi 5.2G: 5100-5500MHz
12th Channel: WiFi 5.8G: 5500-5900MHz

*Colour: Black
*Antenna: 12 built-in omni-directional antenna
*Jamming range: Radius 1-40 M
【the Cellular signal 2G/3G must ≤-75dBm in the location】
【the Cellular signal 4G must ≤-115dBm in the location】
The jamming radius still depends on the strength signal in given area


*Available system: Include analog (AMPS,TACS,NMT) and digital (GPRS,GSM,

EST-805B12 page 2

3G,DCS,CDMA,PDC,TDMA,PHS,PCS,IDEN,W-CDMA,UMTS, 4G/5G/Wi-Fi/Blue Tooth/GPS/VHF/UHF/LoJack and etc. (optional))
*Safety regulation: AC Adapter UL (E190582) / CSA (LR112971 Level 3)
*Single output power: +37dBm / 5W±200mA
*Power Consumption: ≤320W
*Working Power Input: AC 110V-240V
*Three Power Supply Ways:
1.AC 220V
2.Li-ion Battery: DC 24V 20AH built-in battery, can work stably with 1.5-2 hours after full charging in 4 hours
3.Emergency Power Supply: any external power adapter or battery under DC 24V 20A
*Dimension: 525(L)×458(W)×198(H)mm
*Full Set Weight: 16.25kg
*Antenna Gain: ≥5dBi
*Working Temperature: -30℃ to +60℃
*Relative humidity: ≤85%(RH) (please keep the machine dry)
*Air pressure: 86~106kPa


Support and Services:

Portable Cell Phone Jammer offers the following technical support and service:

  • 24/7 Technical Support to help customers resolve any issues or inquiries.
  • Online technical support through email and live chat.
  • Troubleshooting frequently asked questions.
  • Remote assistance for setup and configuration.
  • Technical assistance for optimizing cellular connection and signal strength.
  • Warranty and repair services.




Q1: What is the brand name of this Portable Cell Phone Jammer?
A1: The brand name of this Portable Cell Phone Jammer is EST.
Q2: Where is this Portable Cell Phone Jammer manufactured?
A2: This Portable Cell Phone Jammer is manufactured in CHINA.
Q3: What certifications does this Portable Cell Phone Jammer have?
A3: This Portable Cell Phone Jammer has CE and RoHS certifications.
Q4: What is the minimum order quantity for this Portable Cell Phone Jammer?
A4: The minimum order quantity for this Portable Cell Phone Jammer is 1.
Q5: What is the packaging for this Portable Cell Phone Jammer?
A5: The packaging for this Portable Cell Phone Jammer is Neutral Packing.


Portable Case Cellular Blocker Built in Rechargeable Battery Directional Antennas 0

Portable Case Cellular Blocker Built in Rechargeable Battery Directional Antennas 1