The Sony WRU-8N is a PLL-synthesized UHF, diversity receiver module for use with the Sony MB-8N tuner base.

Key Features
Modular design The Sony MB-8N base tuner hosts up to four WRU-8N tuner modules, allowing four transmitters to be used simultaneously. Each WRU-8N features 188 user selectable UHF frequencies.
Stable UHF Reception PLL frequency synthesized technology provides highly stable reception resulting in minimal RF interference.
Space Diversity Reception Dual internal receivers compete for the strongest possible reception, resulting in minimal drop out and interference.