This edition of techblog is about a new tech gadget- A Portable Phone Jammer. You can use this in any conference room, concert hall or class room since it is having a maximum range of action upto about 8-10 meters. Interestingly it works well even in 3G and CDMA networks. The first generation of this product supported only GSM, DCS, PCS, PHS and DECT based technology. This means that just by having this device you can block your friends iPhone!

The gadget comes with in package which contains the  Cell Phone Jammer (which is Hand-held and Portable), Adaptor and Rechargeable Li-ion Battery. If it is fully recharged, it powers it for 1 hr 30 mins continuously.

This product was developed by Brando and you can buy this from their website.

It is interesting to note that this device is extremely light in weight (about 100g). And it costs only US$246.00. But a word of warning before you buy – it is illegal to use these types of devices without necessary permissions.