Fortress Technologies ES2440-3555

Overview
This device has four wireless modules in the FCC photos.
 * Ubiquiti Networks SR71-M25
 * There does not seem to be any reference to this device on the (current) internet.
 * AR9220 (AR9220-AC1A), 00:15:6D OUI (on the label, anyway)
 * Per Fortress' specs, this radio is a/b/g/n w/ 250mW transmit power
 * Ubiquiti Networks SR71-M5
 * There does not seem to be any reference to this device on the (current) internet.
 * AR9220, 00:15:6D OUI (on the label, anyway)
 * Per Fortress' specs, this radio is a/n w/ 50mW transmit power

This device has a 1GB Netlist Industrial Grade CompactFlash card. There are three Ethernet ports on the board and one serial port.

There are a total of 8 Winbond RAM chips on the board, two Spansion Flash chips, two IDT chips, and a Trimble GPS module.

Links of Interest
ES2440 on Fortress Technologies' site