WH340 WH340 2-Channel All-in-One Wireless Headset Clear-Com Marketing / Monday, June 3, 2019 0 10664 Article rating: No rating The WH340 is a light-weight, single-ear, all-in-one wireless headset, operates in the license-free 2.4GHz frequency range and are used with the BS340 base station. The WH340 is compatible with the DX340ES digital wireless systems. Read more