I don't have a link handy (on my phone), but I was involved in installs of licensed Cambium 18Ghz radios last year that were pushing >1Gbps. PTP-800 was the mod

I don't have a link handy (on my phone), but I was involved in installs of licensed Cambium 18Ghz radios last year that were pushing >1Gbps. PTP-800 was the model number, if memory serves.