rr88643 ic support model Support 4G MB and HB HPUE (Power Class 2)..13 win bet app Colour black WARRANTY Yes Manufacturing defects only Weight 8gram Compliant with mobile this IC: ic (chip ) connector Back side pin no. : Specifications Specifcae Application: Mobile Phone Brand Name: IC Type: Drive IC Place of Origin: China Model Number: Supply Voltage: 1.0-6V Dissipation Power: 0.6w Operating Temperature: 0-310 Condition: New Package: BGA tested with ...vf888 Dual Low Band RF inputs support separate transceiver outputs or interstage filtering MIPI programmable bias modes optimize best efficiency / linearity tradeoff for 3G and 4G