Sennheiser Evolution Series Wireless EW G1, G2, and G3 Transmitters
In 2009 Sennheiser released the third generation of their Evolution Wireless systems, the G3. This generation includes the EW100 G3, EW 300 G3, and EW 500 G3. All Countryman SR code microphones (e.g. E6OW5T2SR, B3FF05BSR, etc.) are compatible with G1, G2, and G3 Evolution Wireless bodypacks.