The ATX GigaXtend HFC amplifier portfolio is a family of 1.2GHz and 1.8GHz Line Extenders (LE), System Amplifiers (SA), Booster amps, accessories and band-split upgrade kits that offer MSOs both an upgrade path for their current installed base of amplifiers and the opportunity to invigorate their outside plants with technology built to accommodate future spectrum increases and bandwidth demands.

The only authorized successor to the venerable GainMaker® family of HFC amplifiers, ATX GigaXtend GMC 1.2GHz and 1.8GHz amps build upon a reliable and well-trusted technology foundation to provide cable operators with a cost-efficient and friction-free path to delivering multigigabit symmetrical services that will meet consumer demand and fend off competitors for decades to come.

GigaXtend GMC Series 1.2GHz and 1.8GHz Amplifiers

GigaXtend GMC amps, the only authorized GainMaker-compatible devices on the market, provide a seamless upgrade path for a large percentage of currently installed outside plant actives, enabling MSOs to increase the speed and capacity of their HFC networks with minimal…

GigaXtend GMC Amplifier Accessories

The ATX GigaXtend™ GMC Series amplifier accessories are plug-in devices common to all Cisco or ATX GainMaker System Amplifiers and Line Extenders. They are typically field-installed in accordance with system design.

GigaXtend GMC 1GHz Mid- and 1.2GHz Mid- and High-Split Amplifier Upgrade Kits

Increases in the sophistication of online gaming, an uptick in the transfer and storage of large files to the cloud and an explosion of video conferencing activities instigated by COVID-related Work-From-Anywhere policies have contributed to a steady increase in upstream…