This is the Fat Shark 5.8GHz Dominator Receiver Module. This Receiver Module for Dominator Headsets is an audio/video wireless RF receiver designed for use with the Dominator and DominatorHD headsets that is compatible with both NTSC and PAL video formats. It features integrated audio/video inputs and outputs on a single PCB and provides seven selectable channels. 

Features: 

• 5.8GHz audio/video wireless RF module
• Compatible with both NTSC and PAL video formats
• High efficiency frequency modulation (FM) / demodulation scheme
• Integrated audio and video input and output on one module base PCB
• Provides 7 selectable channels
• Received signal strength indicator (RSSI)
• Contains a MAC4090 sync-IC
• RX sensitivity ≤ -90dB
• Pin out compatible with Fat Shark and ImmersionRC designs
• SPI mode for channel control

Specifications: 
Frequency Band: 5.8GHz 
RX Sensitivity: ≤ -90 dB 
Channels: 7 selectable channels 
Dimensions: 0.98x1.66" (24.81x42.10mm)