CPR30 is a UHF talk-back pocket receiver designed for TV studios, ENG crews and theaters. It provides 32 switchable frequencies in the 400–470 MHz band with narrow-band operation for frequency economy, high audio quality and low noise. Frequencies are reprogrammable by PC; it runs on 2 AA cells (alkaline or Ni‑MH) or an optional lithium power pack and offers a robust Fischer or 3.5 mm AF output. Variants: CPR30-F, CPR30-J, CPR30-AJ.