This part is a kind of semiconductor called 1334.

Function of this product has SMD RF Manual Tunable Inductor.

Manufacturers : Yantel

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Some of the text within the PDF file :

1334 SMD RF Manual Tunable Inductor Patent product SMD RF Manual Tunable Inductor 1334 ‹ Operated frequency: 20~300 MHz ‹ Q value:76(no core) , 45(full core) ‹ Inductance tuning range: 158 to 214(nH) ‹ Core material: Aluminum ‹ SRF: 470MHz ‹ Operating temperature: -40 ~+125 ‹ Rotation times(min): 100 Features „ SMD package „ High temperature resistance, operating reliably from -40 ~125 and in other harsh environment „ Hermetic microstrip circuit, reliable and stable over temperature and humidity changes. „ High Q value, linear tunable, available in increasing or decreasing inductance value „ Built with advanced multi-layer processing, high consistence and high reliabilit -y in manufacturing, contributing to good consistence in tuning resonant circuit „ Anti-interference with [ ... ]

1334 PDF Datasheet Download