usb接口，150mbps模块，3.3v供电，天线可内置也可外置 top-cp318 a. general description top-cp318 is a wlan 11 b/g/n usb module, which fully supports the features and functional compliance of ieee 802.11 b/g/n standards. it supports up to 150mbps high-speed wireless network connectio. it is designed to provide excellent performance with low power coumption and enhance the advantages of robust system and cost-effective. it is targeted at competitive superior performance, better power management applicatio. b. features general 4-pi 1.5 x 1.2mm pin, total size 23 x 11.2 mm ieee 802.11b/g/n compatible wlan complete 802.11n solution for 2.4ghz band 72.2mbps receive phy rate and 72.2mbps tramit phy rate using 20mhz bandwidth 150mbps receive phy rate and 150mbps tramit phy rate using 40mhz bandwidth compatible with 802.11n specification backward compatible with 802.11b/g devices while operating in 802.11n mode host interface complies with usb specification revision 2.0 standards supported ieee 802.11b/g/n compatible wlan ieee 802.11e qos enhancement (wmm) ieee 802.11h tpc, spectrum measurement 802.11i (wpa, wpa2). open, shared key, and pair-wise key authentication services standards general specification table 1. standards general specification model top-cp318 product name wlan 11b/g/n usb module standard 802.11b/g/n, 802.3, 802.3u data trafer rate 1,2,5.5,6,11,12,18,22,24,30,36,48,54,60,90,120 and maximum of 150mbps modulation method bpsk/ qpsk/ 16-qam/ 64-qam frequency band 2.4ghz ism band spread spectrum ieee 802.11b: dsss (direct sequence spread spectrum) ieee 802.11g/n: ofdm (orthogonal frequency division multiplexing) rf output power