Sennheiser EW-DX EM 2 U1/5, Digital 9.5" Dual Channel Receiver, EW-DX Series, Frequency range U1/5: 823.2-831.8 MHz & 863.2-864.8 MHz, Network compatible, AES 256 encryption, Dimensions (W x H x D): 212 x 44 x 189 mm, Weight: approx. 1 kg, Incl. rack mounting set, antennas and power supply with EW-DX country adapters