Can't remember if this link has been posted before
http://www.iss-reshetnev.com/?cid=news&nid=136
It's concerning Yubileiniy-2 which is slated for a December 28 launch into a 1400 km orbit. It mentions Aerospace Vehicle Laboratory ROSTO providing the radio system, didn't they also do RS-15 ?
The first Yubileiniy used 435 MHz.
73 Trevor M5AKA