I am looking for schematics for a few SCADA type transceivers I recently
purchased as surplus.

I would like to get the schematics for the transceiver so I can modify them
to work within the Amateur radio frequencies.

The transceivers I have currently operate on 172 MHz.
Markings on the transceiver are as follows:
Model # 030261-0114
Unit GND

Please let me know if you are able to help with this matter.

Thanks

Steve - VY2DH