Both types have their advantages. The advantage of the internal models are in their neatness - there are no cables or external power supplies required, no external interface ports are occupied and no extra desk space is needed. The advantage of external models is in their portability. Serial RS-232 interface is also available as standard. Rechargeable battery power supply is available as an option for all WiNRADiO external models.
Computers are strong sources of electromagnetic interference.
To prevent the PC noise entering the antenna, it is recommended to place the antenna as far from the PC as possible. Other effective measures of defeating PC noise are described in documentation supplied with WiNRADiO receivers. The wheel, arguably Man's greatest invention, was invented around 5,000 BC by the Assyrians in ancient Mesopotamia. The wheel mouse was invented in 1996 by Microsoft.