Brand: Gemini. MPN: UHF-01HL-F2. The Gemini Single-Channel UHF Wireless Microphone System with Headset and Lavaliere Microphones is the ideal solution for entertainers who need a wireless lavalier microphone or a headset microphone and freedom to move on stage. The UHF-01HL-F2 offers high-quality voice reproduction with incredible clarity and reliability. There are multiple bandwidths offering you multiple frequencies to ensure you ll always have an excellent sound reproduction.