Inovonics JUSTIN 808 maintains time alignment between analog FM and HD1 channels to within 23 microseconds (1 sample). No more lost words, stuttering, echoes, or level shifts. The entire sync process is 100% automatic. Nothing for you to do but sit back and watch in awe as it does its thing. The JUSTIN 808 uses your actual off-air signal and powerful auto-correlation algorithms to keep analog and digital modes faultlessly in step, hour after hour, day after day.Main Features:Precise time alignment between analog FM and HD1Automatic phase correction and RMS gain levelingInsert in either the FM or HD Radio AES digital feedFull Web interface for remote control, metering, etc.SMS/email alarms for loss of signal and loss of audioExtensive data logging with graphic displayAuto failover with relay bypass