This is a replacement remote control for the original 142301 #1 infra-red and the #2 UHF remote control that shipped with DISH Network 211 & 411 Receivers.
This IR / UHF remote includes the tabs necessary to select IR or UHF for either Room #1 or #2)

Dish Network Type – 5.3 IR / (6.4 IR / UHF)
Dish Network Part # 142301 / 166926 / 154075
Originally supplied with models: 211, 411