Personal Cell Phone Signal Blocker Device

- Cellock-brand time-proven build quality and reliability
- Creates enough interference to block all cell phone signals around you (GSM 930Mhz~960Mhz/CDMA 870Mhz~880Mhz/DCS 1805Mhz~1920Mhz)
- Fully metal construction - creates a solid and techie feel
- Creates a 0.5M ~ 15M (about 2 to 40 feet) radius of cell phone signal black out area
- Built-in 1500mAh battery lasts 3 to 4 hours, also works and charges on AC and Car 12V power with including adaptors
- Light (6oz) weight, fits-in-a-pocket size

Perfect for the following senarios:
- Class rooms and small seminar halls
- Meeting rooms and board rooms
- Private offices
- Bus and vehicles (imagine how you can finally have a good undisturbed nap)
- VIP and privacy-sensitive senarios

Features:

Item: Personal Cell Phone Signal Blocker Device
Type of networks blocked: GSM/CDMA/DCS/PHS/3G
Maximum EM radiation @ 1M: less than -10dBm
Transmittion/Blocked bands:

* CDMA/GSM:869-960 MHz
* 3G: 2110-2170 MHz
* DCS/PHS:1805-1920 MHz

Effective coverage radius: 0.5 ~ 12M (5M typical, depends on carrier networks)
AC Charger: AC110~220V
Weight: 150g
Operating temperature: -30~60'C
Operating humidity: 5~95%
Storage temperature: -50~+60'C
Dimensions: 4.09 in x 1.85 in x 0.71 in
Weight: 6.34 oz (transmitter unit) 12.98 oz (package weight)