ShindaiSat, aka Ginrei, is a 300x300x350mm micro satellite, launched 27 Feb 2014 at 1807 UTC from the Yoshinobu Launch Complex at the Tanegashima Space Center aboard an H-IIA-202 launch vehicle.
ShindaiSat is a project of the Shinshu University, Wakasato, Nagano Prefecture, Japan. This satellite is an educational / experimental satellite. The primary use of the satellite is to provide experiments in using visible light as a means of long distance communications via a series of light emitting diodes.
Call sign: JR0ZST
NORAD catalog number: 39572
Frequencies are as follows:
– 437.485 (X.251k2 AFSK)
– 437.305 (CW Beacon)
An english language article can be found here