Selling a cell phone "interrupter". Don't want to use the "J" word.
I've used this on the train going to and coming home from work.
Technical Specifications
Primary Function: Cellphone network coverage jammer within a defined security radius
Affected Frequency Ranges (Mhz):
850-894
925-960
1805-1990
2110-2170
Affected Cellphone Standards: GSM, 3G, DCS, CDMA
Radius: 0.5- 10 meters (depends on the strength of your local place signal and no much interference)
Total output power: 0.5Watts
Onboard Controls: ON/OFF
Power Source : Wall plug, Nokia rechargeable Lithium-Ion (LI-ION) battery
Battery
-Type: LI-ION
-Capacity: 1200mAh
-Charging Indicators: YES (Red: Charging, Green: Full Charged)
-Usage: 2-3 hours continuously
Certification: CE, FCC, RoHS,etc
Color: Black
Dimensions: 97 x 47 x 18 mm (L x W x D)
*** This will not work on 4G phones ***
Keep in mind, if you turn this on, your cell phone will not have a signal either unless you have 4G.
$60 shipped