I'm trying to distinguish among all these options.. TADD-2 and TADD-3 are 5/10 in, multi out - 3 is just a new 2? TADD-2 mini is 1,2.5,5,10 in and one out PP has a way to solder a packaged oscillator on the board, lower power, and puts out 1, 10, and 100pps.