Atlona HDMI booster is designed to correct few standard problems with long hdmi cables that may appear.

DVI Booster requires no power supply, additional wiring or sender and receiver system. It's an inconspicuous single box solution that makes extending HDTV over copper cables a breeze.

Extending the super high resolutions of dual link DVI displays over a
long dual link DVI cable is nearly impossible with full visual clarity
and precision, primarily due to the DVI specification, which limits
distance to about...

Very similar to DVI Booster, but has a power supply for longer range
and better transfer. It's an inconspicuous single box that makes
extending HDTV over copper cables a breeze.

HDMI Repeater unit is connected at end of a long HDMI cable or used to
chain two cables together and create a longer HDMI extension.

HDMI Super Booster enables HDMI cable to transmit gorgeous HDTV visuals
plus multichannel digital audio in a single cable way beyond the
limited HDMI specification of 15-feet.

The Firewire Repeater 400 works by repeating the Firewire signal and doubling the distance of any Firewire 400 cable. It enables Firewire devices to be placed far from the computer for those who prefer to work in a quiet, non-intrusive environment.

The Firewire Repeater 800 works by repeating the Firewire signal and doubling the distance of any Firewire 800 cable. It enables Firewire devices to be placed far from the computer as needed.