SENNHEISER ADN-W AM Table microphone Conference Wireless Antenna module Features: Automatic frequency selection mode Rugged metal housing Powered via ADN bus or NT 12-50C DC power supply AES 128-bit encryption Specifications: Width: 226 mm, Length: 58 mm, Height: 181 mm Weight approx. 1660 g Power consumption 6 W Operating temperature 5° … +45° C RF output power 25 to 100 mW Power supply 12 to 15 VDC Antenna connector 3 rod antennas / omni-directional with R-SMA connector Frequency range 2.4 / 5.1 - 5.9 GHz Max. coverage area 30 m radius Thread 5/8" and 3/8" insert Operating relative humidity 20 ... 95%