2.4GHZDUCKANTENNARP-SMA 2.4GHz频段陶瓷天线smd 2.4G-RX2 2.4K/242 2.4KR/J0805 2.4L RACING YEAR 0000 STARTER 2.4M 2.4MHZ(DIP-2P) 2.4MR 2.4nH