Vocopro UMH-R Single UHF- Module/Wireless Microphone VocoPro UMH Single-Channel UHF Receiver Module - Handheld Wireless Microphone - VocoPro 1 Year Limited Warranty Frequencies available: A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, PII, Q, R, S, T, U, V, W, X Comes with 1 microphone(transmitter) and 1 module(receiver)