It is probably a safe bet that the board was designed with the layout of the 13cm transverter in mind! Again, no disrespect to CT1DMK and VE1ALQ; what distinguishes this design is the fact that initial configuration is completely automatic and it can handle a wide range of Local Oscillator frequencies without the need for any preset links.
The heart of the design is a PIC12F1840 8-
Once lock is achieved for the first time, the settings are automatically stored in the CPU … thereafter, lock is obtained almost instantly as long as the GPSDO reference is locked.
More information (price etc.) on the OZ5N Auto-