SKY13370-374LF GaAs pHEMT SPDT High Power Switch Skyworks Solutions Inc. SKY13370-374LF GaAs pHEMT SPDT High Power Switch offers 50Ω terminated outputs in a compact, 1.5mm x 1.5mm x 0.45mm 6-pin Dual Flat No-Lead (DFN) package. With high linearity performance and low insertion loss, the SKY13370-374LF is an ideal choice for WiMax and higher power WLAN applications such as access points.