What should I pay attention to when installing a cell phone jammer in a prison?

  • Prison is a place isolated from our society and there is no information exchange. So what should we pay attention to when installing mobile phone jammers?
  • PerfectjammerPerfectjammer

    In recent years, prisons, labor camps, and detention centers across the country have invested money to build or modify mobile phone jammer systems to prevent illegal use of mobile phones, strengthen mobile phone management in supervision sites, and smoothly carry out supervision work.

    1. Applicable to all current domestic public communication standard mobile phones CDMA, GSM, DCS, PHS, 3G (CDMA2000/TD-SCDMA/WCDMA), and shall not affect the normal operation of other electronic equipment systems in prisons;
    2. Within the prison area (including but not limited to prison rooms, walkways, corridors, windows, etc.), the effective shielding rate should reach 99.9% or more;
    3. The effective shielding rate of mobile cell phone jammer in the production area should reach more than 99%;
    4. In confined narrow spaces (including but not limited to conversation rooms, storage rooms, toilets, etc.) and places that are more concealed and have a greater possibility of violations, the effective shielding rate should reach 99.9% or more;
    5. Unshielded areas (including but not limited to administrative buildings, armed police buildings and surrounding units or residential areas, etc.) must ensure unblocked communication;
    6. After the shielding effect is achieved, it must pass the shielding site electromagnetic radiation safety test;
    7. Fully retain the output redundancy of the equipment, increase the service life, and adapt to the needs of future development;
    8. The system must use centralized power supply.

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