On April 24 several cubesats are to be deployed from the ISS
Kibo module, (NanoRacks NRCSD-25).
At 12:05 UTC: ARKSat 1 and LightCube.
At 12:15 UTC: AuroraSat, Ex-Alta 2, NEUDOSE and YukonSat.
(The deployment order may change.)

Youtube link:
https://t.co/l3kuQhHA3k

All these cubesats will use IARU coordinated frequencies.
ARKSat 1: 435.450 MHz, 9k6 NBFM AX25 packet
LightCube: 437.175 MHz, 1k2 AFSK with AX25
NEUDOSE: 436.050 MHz, 9k6 downlink using 2-GFSK
AuroraSat, Ex-Alta 2 and YukonSat will use the same frequencies:
437.875 and 2428.000 MHz, CW beacon on UHF together with
GMSK/GFSK or 4GFSK telemetry downlinks using 9k6 data rate
with capability to operate between 0.05- 32.8 kbps.

73,
Nico PA0DLO