Sources told HT that put aside jammers that can’t control the newer and faster 4G networks, but many jammers aren’t even equipped to interfere with 3G.
When it comes to blocking signals of illegal cell phone use by prisoners, Punjab’s prisons are still blocked in the era of 2G reception. So far this year, inmates in state prisons have seized 600 cell phones, but gangs in particular continue to update their Facebook pages in their cells, except for activities aimed at profiting. the security of their operations.
The source told HT that put aside jammers that can’t control the latest and fastest 4G networks, but many jammers aren’t even equipped to interfere with 3G. Only Kapurthala Prison and Nabha High Security Prison have 3G jammers.
Senior Mobile Network Engineer Sandeep Law explained his technicality: “A wifi jammer with a capacity of up to 900 megahertz (MHz) can only control 2G networks. However, the 2100 MHz frequency used in 3G and 4G technologies is more powerful. Make these jammers obsolete. Upgrading is expensive. ”
Police sources said that after Nabha escaped prison in November last year, a group of gangs released their five spouses and a terrorist from the Khalistan Liberation Front (KLF), but did not intensified the disruptors. It was discovered during the investigation that the gang that attacked the prison kept in touch with their accomplices in the prison by internet phone.
“In the absence of these jammers, criminals can freely use all mobile and internal means of appeal, many of which can even freely manipulate gangs and other activities from inside the prison.” With the rapid expansion of mobile networks, the market is very easy. 4G SIM card, “the head of the prison department declined to be named.
It should be noted that prison officials have repeatedly admitted that it is “almost impossible” to control the use of cell phones in prisons as inmates manage to transport them to prison through various illegal means (including bribery). guardians).
While acknowledging this problem, IPS Sahota police, the director general of the prison said: “We have submitted a proposal of Rs 8 crore to the Interior Ministry to upgrade the phone jammer to the 4G network of the Nabha central prison, Patiala. , Bathinda and Amritsar. We hope to be sanctioned soon. “