EnGenius ECB600

Dual-Band, Long Range Wireless N Indoor Access Point/Client Bridge Product page
 * Datasheet

"ECB600-0.40 LFP" is silkscreened on the board in the FCC photos.
 * The 5GHz radio (AR9344) is using two Skyworks (SiGe) SE5003L / 5003L 5GHz Power Amplifier ICs

Default credentials are per the FCC manual.
 * The default SSID patterns appear to be EnGeniusXXXXXX-2.4G and EnGeniusXXXXXX-5G.