Welcome to the Poly community!
INOGENI 4K2USB3 is tested solution for G7500 and it is recommend to use the same.
Let us know if you get any issue with the device.
Please ensure you always check the FAQ's.
Please remember, if you see a post that helped you, and it answers your question, please mark it as an "Accept as Solution".
This forum reply or post is based upon my personal experience and does not reflect the opinion or view of my employer. Poly employee participation within this community is not mandatory and any post or FAQ article provided by myself is done either during my working hours or outside working hours, in my private time, and may be answered on weekends, bank holidays or personal holidays.