Sennheiser EW-D SKM-S BASE SET Digital Wireless Handheld Microphone System | Frequency: Q1-6 (470 to 526 MHz)System is available in different frequencies. Part of the Evolution Wireless Digital family of gear, the EW D SKM S BASE SET from Sennheiser is a handheld microphone system comprised of an EW D EM wireless receiver and an EW D SKM S digital handheld transmitter. Also included in this system are two rod antennas, a power supply with country adapters, a rackmount set for installation, and four rubber feet. This system is available in different