3 Results for

long-range acoustic devices


Amp your iDevice with Kubxlab acoustic amplifier case

Cases called Ampjackets claim to double the audio volume of the iPhone 5, iPad Mini, and iPod Touch without requiring any power.

By January 7, 2013


Sound as a 'weapon'

Long-range acoustic devices (LRADs) are also called sonic cannons and can be used in wars and to repel pirates on the high seas.

By January 7, 2010


E-mail device released

PocketMail on Friday introduced a $99 e-mail device. The PocketMail Composer doubles as an organizer and an e-mail machine. It offers e-mail management applications, an address book and a calendar, the company said. PocketMail's service, which costs $14.95 per month, uses an 800 number to transfer e-mail. However, instead of plugging into a phone line, it is held against a phone receiver--similar in design to the acoustic coupler used on early modems--to transfer and receive e-mail. PocketMail is a start-up based in Sydney, Australia, and Santa Clara, Calif.

By September 14, 2001