Engenius EAP-3660, pre-flashed with DD-WRT firmware and activated.

EAP-3660 "smoke detector"-style indoor 802.11b/g access point integrated 600 mW radio with embedded omni-directional antenna designed to blend in - indistinguishable from a smoke detector Power over Ethernet (802.3AF) compliant (adapter sold separately) DD-WRT firmware with Professional Activation

Please be informed that there is no way to revert back to the engenius firmware and all sales are final. Any Issues you encounter with DD-WRT firmware will be supported in the DD-WRT Forums