Quantumdata HT-180 Handshake Tester for HDMI 00-00216 B&H Photo
Q80t ps4 pro weird hdmi handshake issue. Details in the comments. : r/4kTV
Resolve Dual-HDMI Handshake Issues on AVRs – Simple Home Cinema
EDID and the HDMI Handshake – FireFold
Amazon.com: Xtreme 4ft Gold Series HDMI Cable, Supports 4K and 8K HD Quality Presentations, 48 Gigabytes Per Second Speed, Resistant Mesh Jacket for Better Durability and Flexibility. Superior Connectability : Electronics