JM135009 cell phone jammer is a kind of information security product used for blocking cell phone signal around users. It is more and more popular in the security product's market currently. Cell phone jammer causes enough interference with the communication between cell phone and stations to render the phones unusable.
This cell phone jammer can stop all bandwidth frequency from 800 MHz-2400 MHz within around 20 meters, such as GSM, CDMA, DCS, PHS, 3G, Interphone, Wireless camera, etc. The cell phone jammers are now a necessity for law enforcement and the military to interrupt communications by criminals and terrorists, and also for accomplishing a more cultured society.
Feature:
--Prevent cheating by using cell phone in the examinations
--Keeping you away from the noise or disturbance of unexpected cell phone calls or SMS in the class time or meeting time.
--Mini-size medium power cell phone jammer
--Low weight and Nice texture and color
--To block wireless phone communication links within an effective area.
--No transmissions or receptions of wireless phone call in coverage area.
--All specified frequency bands will be blocked simultaneously.
--For using at meeting rooms, conference rooms, museums, temples, mosques, galleries, theatres, concert halls, churches,   restaurants, classrooms, training centers, factories, banks, trains, buses etc.
Product Notes:
This cell phone jammer's effective jamming area is influenced by circumstance around users, such as the distance or locations of the cell tower and the obstacles, between cell tower and the cell phone jammer. In the normal condition, the cell phone jammer will work very less jamming area, when the distance is near or very close the cell tower or cell base stations. As well as, if there are obstacles and walls between the cell tower and the cell phone, the cell phone jammer will give less blocking area.
-T135009 model cell phone jammer is especially designed for using in examinations for schools, universities and test centers. It doesn't have a good cooling system, so the cell phone jammer can not be used continuously.
 
-Install the antennas corresponding to the channel label. If not, the jammer will be very hot when it works?

• Jamming Area: Up to 20meters (Depends on signal strength, at the site to be jammed)

• Cellular Systems:

• Option A for American Market
  -CDMA    850-894MHz
  -GSM    925-960MHz
  -PHS/DCS 1805-1990MHz
  -3G  1990-2170MHz

• Option B for Europe Market
  -CDMA 869-894Mhz
  -GSM  925-960MHz
  -DCS 1805-1880MHz
  -3G  2110-2170MHz
   

• Power Adapter: Input AC160V-240V,  DC5V
• Total Output Power:2Watt
• Product Antennas off: L 23x W 9 x H 3 cm
• Product weight: 1.1kg   
• Working Time: 10hrs/Day
• Relative Humidity: 20%--95%
• Working Temperature:-40~ +55 ?sp;

• Power adapter
• User manual