OTA modual for 722k

[handymantoo]

I would like to purchase an OTA modual for 722k. From reading threads it appears there are two. One $29.99 another $39.99 Are there two? and if so what is the difference?

 

[navychop]

One, containing 2 OTA tuners for $29.99

 

[Centex]

Shipping puts it just shy of $40.00