CIT) UWH-2HH USB WIRELESS MICROPHONE SET No. 13072332 © USER MANUAL INTRODUCTION The UWH-2HH USB Is a wireless microphone system In the registration and license-free UHF range 863-865 MHz. The set consists of 2 dynamic wireless microphones with cardio id characteristic and a USB receiver. iris a practical addition to compatible PA systems such as the Electronic 'WAMS-08BT MK2.