Atheros AR7240（400 MHz） Network Processor 32MB（max 64MB optional）DDR SDRAM 8MB（max 16MB optional） 1 x 9.2 mm Mini PCIe slot 2 X 10/100 base-T Ethernet Port（with Auto MDI / MDIX） Passive PoE （range 9V-28V DC） 100 x 70 x 16（mm） ① The input power can come from an Ethernet port and it is fed to the other Ethernet port so that it can in turn drive another Passive PoE device. ② Serial Converter available to change the TTL signals on board to RS232 signals for debugging Configurations are subject to change without notice. ③ Please contact Redwave sales representatives for other available configurations. 具体应用方案请浏览官方网站：