5.8G wireless av sender 200m transmission distance 8 Selectable channels Function and Features:1. Use 5.8GHz ISM frequency band.2. 200m transmission ... , satellite STB, digital TV STB and other AV output devices.5. Images received by means of radio are vivid and stable ... .7. Dimensions: 10cm (L) ×8.5cm (W) ×3.0cm (H). 5.8G AV Sender, Model:PAT-630