Tangreat » Mini Portable Cell Phone Signal Jammer / Blocker with Built-in Antenna and replacable battery (2G/GSM/CDMA/DCS/PCS/PHS/3G/4G LTE 1800 [Band 3]) Tangreat » Mini Portable Cell Phone Signal Jammer / Blocker with Built-in Antenna and replacable battery (2G/GSM/CDMA/DCS/PCS/PHS/3G/4G LTE 1800 [Band 3]) Tangreat » Mini Portable Cell Phone Signal Jammer / Blocker with Built-in Antenna and replacable battery (2G/GSM/CDMA/DCS/PCS/PHS/3G/4G LTE 1800 [Band 3])

• It doesn't look like a normal jammer, this is smaller, top hidden!
• Internal antenna, and insulate per antenna, it can working more efficiently!
• Battery can be replaced very easily by hand, same with mobile phone.
• Can be charged by Nokia charge!
• High Quailty Design, low consumption.
• It can work for 120 minutes after being charged (be able to work and charge simultaneously).

Specifications:

• Frequencies blocked (independent of the service providers):
  • GSM/CDMA: 850 ~ 960 MHz (2G/CDMA800 [identical CDMA850]: 850 ~ 894 MHz, 2G/GSM850: 869 ~ 894 MHz, 2G/GSM900: 925 ~ 960 MHz)
  • DCS/PCS: 1805 ~ 1990 MHz (2G/DCS [GSM1800]: 1805 ~ 1880 MHz, 2G/PCS [GSM1900 & CDMA1900]: 1930 ~ 1990 MHz)
  • PHS (DECT): 1880 ~ 1920 MHz
  • 3G/WCDMA 850: 869 ~ 894 MHz
  • 3G/WCDMA 900: 925 ~ 960 MHz
  • 3G/WCDMA 2100: 2110 ~ 2170 MHz
  • 4G LTE 1800 (Band 3): 1805 ~ 1880 MHz
  (The jammer block the cell phone downlink frequencies!)
• Battery: Replacable Li-ion Battery (1200 mAh)
• Typical Battery Life: 2 hours
• Total output power: 1 W / 30 dBm
• Typical Coverage: ~ 5 - 8 meters (depends on the weather and the mobile network signal strength, signal <= -75 dBi in the given place)
• Dimension: 90 mm x 50 mm x 15 mm (L x W x D)
• Weight: 80 g

Pack including:

• 1 × Mini Portable Mobile/Cell Phone Signal Shield Blocker Jammer
• 1 × Li-ion Battery
• 1 × AC Wall Charger
• 1 × Car Charger