The ECS-DR2 Series are 2-port 180° SAW (Surface A.
DR2-3100 - Two-Port SAW Resonator
DR2-4073 - Two-Port SAW Resonator
ECS-DR2 - Two-Port SAW Resonator
DR2-4339 - Two-Port SAW Resonator
DR2-3150 - Two-Port SAW Resonator
DR2-4180 - Two-Port SAW Resonator