2.4G-20KM-BIDI-1310TX/1550RX 2.4G-20KM-BIDI-1550TX/1310RX 2.4G-chip(T-3518) 2.4G-chip(T-5020) 2.4GHZ 2.4GHz 2dBi-1.13-L=50mm 2.4GHZ 7635 2.4GHZ/512K/533 2.4GHZ2012LOW 2.4GHZ5200WP