new experimental to operate on frequencies in the 18820-18920 MHz and 19160-19260 MHz range for develop- ment & testing of pre-production and production of Wireless-In-Building Network (WIN) system and for Beta testing new experimental to operate on frequencies in the 18820-18920 MHz and 19160-19260 MHz range for develop- ment & testing of pre-production and production of Wireless-In-Building Network (WIN) system and for Beta testing