stub antenna

stub antenna

stub antennaclick for a larger image
A short, UHF (ultrahigh frequency), quarter-wavelength antenna usually used for radar beacon transponders, DME (distance-measuring equipment), and IFF (identification friend or foe).
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DAB requires only a tiny non-directional stub antenna for high quality reception without interference or distortion.
For example, The unit has a stub antenna, because consumers thought the short antenna was sturdier than retractable or longer antenna.
4GHz IA DAMD-DK1 2400 ZigBee development Kit contains: (3) H8S MCU Development Boards, (3) IA OEM-DAMD1 2400 embedded ZigBee Stack Modules with stub antennas, and (2) IA OEM-DAUB1 2400 ZigBee USB Dongles.