ECS also offers several SMD packages: the ECS-38SMF series (3.8mm x 3.8mm) 2 pole filter, available at 45MHz; the ECS-96SMF series (7mm x 5mm) 2 pole filter, available from 21.4MHz to 109.65MHz; and the 75SMF series (7mm x 5mm) 4 pole filter, available from 45MHz to 70.5MHz.