433 MHz Antenna Switch Review

I need an RF engineer to review an existing RF schematic for a 433 MHz / 470 MHz shared-antenna switch design. The current schematic already includes the main RF chain components, and I need someone to verify the design before schematic lock... (Budget: $15 - $25 USD, Jobs: Antenna Design, Circuit Design, Electrical Engineering, Electronics, PCB Layout, Prototyping, Radio Frequency, Schematic Review, Signal Processing, Technical Documentation)