Ethereal HDM-GA2 the HDM-GA2, transforms existing hard-wired passive HDMI cables bandwidth capability to 18Gbps for up to 20 meters and an expected capability of 48Gbps for up to 9+ meters. 

Ethereal HDM-GA2

• 12Gbps bandwidth x 4 channels up to 9 meters (Future-ready for rev 2.1)
• Greater than 30 dB of Gain on the high-speed video channels.
• DDC (I2C) bi-direction acceleration and recovery.
• Full output limiting to prevent input saturation of the display.
• Video data input indicators.
• System power indicator.
• 8 programmable equalization settings for distance equalization.
• Selectable input threshold control capability.
• Extends 18Gbps capability up to 20 meters (Depending on cable quality).
• Extends 48Gbps capability up to 9 meters (Depending on cable quality).
• Supports all current feature sets of the new HDMI 2.0b specification
• Supports all current feature sets of the new HDMI 2.1 specification
• 5-volt power supply and USB cable included.