The remote control ... The older HR20 had these, but the HR21 dropped them, presumably for cost reasons. DirecTV will soon introduce another gizmo called the AM21 that hooks up to the HR21 ...

We liked the pretty black design of the HR21, and the touchwheel-shaped control ... And look at that tacky remote, looking more like a kid’s toy from Fisher Price than a pro-installed remote ...

Remember that gorgeous new DirecTV HD DVR that stirred the pot at ... with a 500GB Seagate drive and the same software set as the HR21-200. Also of note, the HDMI socket is v1.2 (with HDCP 1.1 ...

If you are one of the 160,000 DIRECTV customers with a Wi-Fi connection to an HR20, HR21, R22, R23 ... need to execute the following steps on your remote control: Menu button > Parental Fav's ...

The HR20 and the HR21 share the same capacity for recorded shows, the same remote control, and the same features otherwise. For more information, refer to our full review of the DirecTV HR20.

According to DIRECTV, the following boxes are supported: DIRECTV PLUS HD DVR (models HR20, HR21, HR22, HR23, HR24 and H21, H23, H24). The box must also be connected to a home WiFi network.