MOBILE SIGNAL JAMMER DEALER IN KOLKATA SGS-101A6 (6 Bands Cellphone WiFi Jammer) Features: ● It can provide 24/7/365 jamming even in a constant cooling system. ● Output power adjustable design makes the jammer more user-friendly. ● Each frequency channel can be controlled separately and simultaneously. ● Totally with a 15Watt high output power makes a more efficient jamming. ● Shielding range can be up to 30M. ● Up to 7bands frequency bands, including all the 4G 3G 2G cellular phone bands, with GPS or Bluetooth optional.