Radionics, a manufacturer of fire protection products, has released the D8125INV Wireless Interface Module that works with Radionics' 9000 Series panels. The unit is an integrated module and keypad that allows users to connect Inovonics FA400 receivers and up to 238 wireless transmitters. Each unit can support up to two FA400 receivers. The keypad is used to access the programming and diagnostics functions of the wireless portion of the system. Radionics.