This is EMAX's compact, FC-stack-style Video Transmitter. It's output power goes up to 200mw, and it features an MMCX connector as well as an MMCX-to-SMA pigtail adapter. It requires a supply of 5V power for operation.
Replacement part for Buzz Freestyle quadcopter.
Frequency band: 5362-5945MHz
Channel Count: 37
Transmit power: 14dBm/23dBm (25mW/200mW)
Supply voltage: 4.5V-5.5V
Antenna Port: MMCX