This part is a kind of semiconductor called ARE10A4H.

Function of this product has (ARE Series) 2.6 GHz SMALL MICROWAVE RELAYS.

Manufacturers : Panasonic

Image and pinout :

Some of the text within the PDF file :

RE (ARE) 2.6 GHz SMALL MICROWAVE RELAYS RE RELAYS (ARE) TYPICAL APPLICATIONS 1. Broadcasting and video markets. • Digital broadcasting market • STB/tuner market, etc. 2. Communications market • Antennae switching • All types of wireless devices If you wish to use in applications with low level loads or with high frequency switching, please consult us. FEATURES • Excellent high frequency characteristics (to 2.6GHz) Type Frequency V.S.W.R. (Max.) Insertion loss (dB, Max.) Isolation (dB, Min.) V.S.W.R. (Max.) Insertion loss (dB, Max.) Isolation (dB, Min.) 900MHz 1.3 0.2 60 1.2 0.2 60 2.6GHz 1.7 0.7 30 1.5 0.5 30 Impedance 50Ω Impedance 75Ω RoHS compliant • Surface-mount type also available • Compact and slim size Size: 20.2(L) × 11.2(W) × 8.9(H)* mm .795(L) × .441(W [ ... ]

ARE10A4H PDF Datasheet Download