Survey at Parappana Agrahara finds weak mobile and wifi signal for around 2.5 km radius
2 weeks, 2 days ago

Survey at Parappana Agrahara finds weak mobile and wifi signal for around 2.5 km radius

The Hindu  

The Telecommunication Consultants India Limited, a public sector undertaking, found weak mobile and wifi signals around for about 2.5 km radius of the central prison at Parappana Agrahara during its survey that concluded on Thursday. The survey that was conducted for about two days found that 19 jammers installed in the prison are causing network disruption for mobile network and wifi. Last year, the residents began to face network issues after the prison department installed T-HCBS in January. A source in the DoT talking to The Hindu said as the survey has found the problem is linked to the jammers, these devices have to be recalibrated to reduce the reach of the jammer as these jammers are affecting wifi networks too on which residents are relying in the absence of mobile networks.

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History of this topic

Officials to fix mobile signal woes near Bengaluru Central Prison
3 weeks ago

Officials to fix mobile signal woes near Bengaluru Central Prison

New Indian Express  

BENGALURU: Due to mobile signal disruptions caused by jammers installed at Bengaluru Central Prison, residents in and around Parappana Agrahara have been facing connectivity issues. After the report- ‘Phone jammers in jail trap residents near Bengaluru Central Prison in a digital blackout,’ was published on February 24, a joint inspection was conducted by the Additional Inspector General of Prisons, Bengaluru, …

Phone access in Parappana Agrahara jail: Notices to be served on telecom service providers and DoT
6 months, 3 weeks ago

Phone access in Parappana Agrahara jail: Notices to be served on telecom service providers and DoT

The Hindu  

The Department of Prisons and Correctional Services is all set to issue show-cause notices to telecom service providers and the Department of Telecommunication seeking an explanation on how their networks are still available within the Parappana Agrahara Central Prison Complex, despite installation of three Tower-Harmonious Call Blocking System to act as network jammers. But the fact that inmates have shared …

EXCLUSIVE | Mobile towers equipped with high-end technology to block signals installed in Tihar Jail
3 years, 4 months ago

EXCLUSIVE | Mobile towers equipped with high-end technology to block signals installed in Tihar Jail

India TV News  

Several big changes are taking shape in the Tihar Jail in light of several incidents reported, due to which the authorities have installed mobile towers in the jail premises. Three big mobile towers have been installed in Tihar Jail, not for giving signals but for jammers. While ordinary jammers restrict phone signals in a limited area, these three towers will …

Unable to block Jio 4G signals in Tihar jail: Authorities tell HC
5 years, 1 month ago

Unable to block Jio 4G signals in Tihar jail: Authorities tell HC

India TV News  

Prison authorities informed the Delhi High Court Tuesday that mobile signals, especially of Jio 4G, could not be blocked inside Tihar Jail with the technology they have and state-run C-DOT has been asked to develop a prototype jammer to prevent illegal communications by prisoners. The high court was hearing a PIL initiated by it after receiving a letter from a …

Rajasthan jail officials want all jammers shifted to three prisons to curb mobile usage by inmates
6 years, 6 months ago

Rajasthan jail officials want all jammers shifted to three prisons to curb mobile usage by inmates

Hindustan Times  

Worried over ineffectiveness of jammers installed at central jails in Rajasthan and use of mobile phones by prisoners, the state jail administration has requested the home department to shift the devices worth Rs 20.12 crore to three prisons for better results. “Not only the administration is facing difficulties to curb the use of phones but the security of the jails …

Jammers in Nabha jail disrupt signals of cell phone users nearby
12 years, 6 months ago

Jammers in Nabha jail disrupt signals of cell phone users nearby

Hindustan Times  

Mobile phone jammers in the high-security Nabha Central Jail to detect and prevent use of mobile phones by prisoners have disrupted services in colonies nearby. Two days after jammers became functional, mobile subscribers living in the vicinity of the jail started facing network problems. He said the jail authorities should change the range and frequency of the jammers so that …

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