The HDM-4150 from Hoatech can distribute 4 HD video signals to all TVs through the existing coax cables. Available for DVB-T off air (combine with antenna channels) & QAM (Combine with cable operator’s channels), can change the standard at any time via software.This solution is ideal for anyone looking for a simple and cost-effective way to support a large number of displays such as a hotel, sports bar, shopping mall or digital signage. Multiple HDM-4150 units can be combined to create headends for more channels as needed.