3 and the ground electrodes gp 1 and gp 2 the capacitor c 43 see fig5 includes the capacitor electrode cp 2 and the ground electrodes gp 1 and gp 2 and the capacitor c 44 see fig5 includes the capacitor electrode cp 1 and the ground electrodes gp 1 and gp 2 the inductor l 51 see fig6 of the first lc filter 15 includes the stripline electrodes st 8 st 18 and st 26 and the inductor l 52 see fig6 includes the stripline electrodes st 9 and st 19 the capacitor c 51 see fig6 includes the capacitor electrodes cp 11 and cp 14 the capacitor c 52 see fig6 includes the capacitor electrodes cp 11 and cp 15 and the capacitor c 53 see fig6 includes of the capacitor electrode cp 11 and the ground electrode gp 2 the inductor l 61 see fig7 of the second lc filter 16 includes the stripline electrodes st 16 and st 24 the capacitor c 61 see fig7 includes the capacitor electrodes cp 10 and cp 13 the capacitor c 62 see fig7 includes the capacitor electrode cp 9 and the ground electrode gp 2 and the capacitor c 63 see fig7 includes the capacitor electrode cp 10 and the ground electrode gp 2 the operation of the high frequency module 10 having the circuit structure shown in fig1 will be described next when a transmission signal is transmitted from the dcs 1 8 ghz band or from.