Legacy HDHomeRun hardware

Model numbers	Signal type
HDHR-US	8-VSB/ATSC & QAM64/256
HDHR-EU	DVB-T & DVB-C

Tuners	2
Works with DVR	No
Ports	Power, Ethernet (100baseTX), 2x antenna

HDHR-US with a Device ID of 1010xxxx to 1012xxxx:
Power supply	5Volt 2Amp regulated power adapter (higher Amp rating ok) 2.1mm ID / 5.5mm OD plug, 9-10mm depth, center positive Max 5.25V @ no-load Min 4.75V @ 2A Noise ⇐ 100mVp-p

HDHR-US with a Device ID of 1013xxxx or higher:
Power supply	5Volt 1Amp regulated power adapter (higher Amp rating ok) 2.1mm ID / 5.5mm OD plug, 9-10mm depth, center positive Max 5.25V @ no-load Min 4.75V @ 1A Noise ⇐ 100mVp-p

Model numbers	HDHR-US-T1
Signal type	8-VSB/ATSC & QAM64/256
Tuners	1
Works with DVR	No
Ports	Power, Ethernet (100baseTX), Antenna
Power supply	5Volt 1Amp regulated power adapter (higher Amp rating ok) 2.1mm ID / 5.5mm OD plug, 9-10mm depth, center positive Max 5.25V @ no-load Min 4.75V @ 1A Noise ⇐ 100mVp-p

Not to be confused with the HDHomeRun CONNECT (HDHR4-2US), which uses a similar outer enclosure.

Tuners	2
Works with DVR	No
Ports	Power, Ethernet (100baseTX), Antenna
Power supply	5Volt 1Amp regulated power adapter (higher Amp rating ok) 2.1mm ID / 5.5mm OD plug, 9-10mm depth, center positive Max 5.25V @ no-load Min 4.75V @ 1A Noise ⇐ 100mVp-p

hardware legacy

DUAL (1st and 2nd generation)