schmalbandiges
Schmalbandiges is a German term that translates to "narrow-banded" in English. It is most commonly used in the context of telecommunications and radio frequency engineering. In this field, "schmalbandiges" refers to a signal or a device that operates within a relatively narrow range of frequencies. This is in contrast to wideband signals or devices, which utilize a broader spectrum of frequencies.
Narrowband communication systems are often employed when efficient use of the radio spectrum is a priority
The term can also appear in other technical contexts. For instance, in optics, a narrowband filter would