COLUMBIA, S. C. Federal officials say they conducted a successful test earlier this year of a jamming technology hope will help in the fight against the threat of inmates with smuggled cell phones.
A report obtained Friday by The Associated Press details of the January 17 test of micro-jamming technology at a federal prison in Cumberland, Maryland. The officials say that they were able to shut down cell phone signals in a prison cell, while the phones of about 20 meters worked normally.
Prisons officials have for years spoken about the dangers of mobile phones are in the hands of the prisoners, which they can use for their criminal efforts behind the bars. Wireless industry groups oppose disturb, says that it may interfere with the legal cell signals in the area.
The officials say that they are using the data for more evaluation and preparation of recommendations for future plans.