Wireless usb dongle suitable for projector interface usb 20 compatible with infocus in5132 infocus in5134 infocus in5135 infocus in5142 infocus in5144 infocus in5145 wi fi specifications ieee 80211b ieee 80211g ieee 80211n aerial internal data transmission rate 150 mbps dimensions wxhxd 17 x 8 x 33 mm frequency range 2 4 ghz