Dish Network 4.0 IR UHF Version Remote Control is the direct replacement Remote #2 for Model numbers 322 Dish Network Receivers. Features: In UHF Mode it will work threw walls does not need to be in line of sight to work. It also can be converted to an IR. remote. In IR. Mode it will control all Dish Network (IR) (Infrared) Receivers except Dishplayer 7100 - 7200 Receivers Compatible with Dish Network Legacy Receivers Model number 1000, 2150, 2700, 2800, 2900, 3000, 3500, 3700, 3900, (Infrared only) Compatible with Dish Network Dishpro Receivers Model number 301, 311, (Infrared only) (will not work with 4000 receivers in IR. or UHF) Four function Remote Control will operate; TV, DVD, VCR, Sound System, ETC.