Unknown 2.42 GHz
From Signal Identification Wiki
Link to IQQuadrature signals form the basis of complex RF signal modulation and demodulation, both in hardware and in software, as well as in complex signal analysis. file: https://mega.nz/#!wgohWRyQ!J2vF0EvustGD1GrfUO0tPdm47T8accAV0aML5wCr6uY (2 GB size uncompressed, 16 bit PCM). Captured on a HackRF, 2.42 GHzGigaHertz (GHz) 10^9 Hz band. Submitted by MillMan