Wlan directional antenna wireless lan standards ieee 80211b ieee 80211g frequency range 2 4 2 48 ghz gain 24 dbi impedance 50 ohm application outdoors range 56 000 m aerial terminal n type f length of cable 30 cm polarisation linear vertical vertical beamwidth 10 horizontal beamwidth 14 dimensions hxwxd 100 x 60 cm transfer rate 54 mbps series tp link tl ant