Amazon.com : 4CH 5MP Lite 5-in-1 HD Analog Hybrid DVR&NVR Supports Up to 5MP IP Camera+5MP AHD/TVI/CVI Camera and 960H Analog Camera Standalone DVR CCTV Surveillance Security System Video Recorder (No HDD) :
Coaxial HD XVR
LabGuy's World: Extinct Video Equipment Service Manuals for purchase
XVR - 8CH Hybrid 8MP Digital Video Recorder - XR-8108N
Hanwha XRN-420S-2TB 4K NVR (Intel based), 4CH with 4 PoE/PoE+ ports (PoE Budget 50W) - Network Camera Store
1080p AHD 4/8/16CH Digital Video Recorders
Sony Hvr-A1j, A1u, A1n, A1e, A1p, A1c Service Manual Ver 1.3 2007.03 (9-876-892-11) | PDF | Pixel | Electronic Engineering
LabGuy's World: Extinct Video Equipment Service Manuals for purchase