HDHomeRun TECH TV Tuner for Computers HDHomeRun TECH Networked Digital TV Tuner. TS Reader stream analysis (optional) Calibrated dBmV signal level display dB signal quality (MER) display Constellation plot display (HDHR-TECH-US only) Multicast support Configurable TTL Static channel 2 tuners: ATSC (8VSB) Digital Cable (QAM256/64 Annex B) 47MHz