The D2006TX module is used for VHF wireless transmission market. The module consists of PLL, VCO, FM modulation, AMP, LPF and other circuits, applicable for 27~300MHz wireless audio or digital transmission products. Users could adjust D2006TX frequency according to their requirements. Frequency band is about 5% of working frequency, that is 1.5~15MHz. Users need to design audio circuit for D2006TX. Based on frequency response feature of audio circuit, wide band or narrow band transmission products could be made with D2006TX.