DigiKey carries Mini-Circuit RF amplifier chip PMA-5456+
However we do not currently carry the eval board. The correct eval board part number for this chip would be TB-PMA-5456+.
Summary
3157-PMA-5456+TR-ND - Tape & Reel (TR)
3157-PMA-5456+CT-ND - Cut Tape (CT)
3157-PMA-5456+DKR-ND - Digi-Reel®
IC AMP CELLULAR 50MHZ-6GHZ 8QFN
3157-PMA-5456+TR
3157-PMA-5456+CT
3157-PMA-5456+DKR