Sennheiser ew 100-945 G3 (archived) - - Vocal set - EM 100 G3, SKM 100 G3 with MMD 945, power supply unit NT 2-3 with adapter for countries - 626-668 mhz
Sennheiser EW 100 G3 Wireless Mic System - Everything You Need to Know - YouTube
Amazon.com: Sennheiser Consumer Audio Compatible with Sennheiser EM 100 G3 - Rackmountable True Diversity Wireless Receiver - A Range (516-558 MHz) : Musical Instruments
Sennheiser EW 352 G3 Wireless Mic System (Frequency Band A1: 470 to 516 MHz) EW 352 G3-A1-US