This Cellphone Signal Blocker comes with a 40W 100~240V AC Adapter. 4 channel noise emitter with dedicated operational status indicator, with Ultra hi-gain frequency specific antennas and this signal blocker covers the following frequencies:
CDMA: 869~894Mhz
GSM: 925~960Mhz
DCS:1805~1880Mhz
PHS:1900~1990MHz
If you a teacher, you can block all phones at traffic light intersections. In your office, it blocked all phones over a 1400 sq feet.
Cellphone Signal Blocker Specifications details:
Dimensions: 9.84 in x 5.67 in x 2.17 in
Weight: 70.05 oz
Four antennas for four frequencies.
Wall mountable.
Blocks any signal within ~ 10 meters range.
Blocks any but 3G signal ~ 40 meters even with walls.
Range is superior. totally kills the signal of phones.
Smaller would be nice.
What you get if buy this Cellphone Signal Blocker:
Cell Phone Signal Blocker
40W 100~240V AC Adapter
You can buy this Cellphone Signal Blocker for $109.95.
