HP MSM466 (J9621A)

Overview
"5184-5953", "©2010 Hewlett-Packard Development Company, L.P.",
 * and "[G]48RNAA0P.SGC" is silkscreened on the board.

"48DNXA07.SGB", "(XB114_030)", "2010/05/31" is silkscreened
 * on the wireless modules (Atheros XB114 reference design).

This matches with Unex's ( / Wistron NeWeb's) DNXA-H1.
 * Three SiGe SE2595L Front-ends (FEM) are used per card.

The CPU may be a Freescale chip (P1020 PSE2HPA).
 * Wistron NeWeb is the presumed manufacturer.

The same hardware is used for the MSM430, MSM460, and MSM466.
 * The MSM430 is a two-stream only device (integral antennas).
 * The MSM460 is dual-band 3x3:3 capable with integral antennas.
 * The MSM466 is dual-band 3x3:3 device (multi-5GHz capable)
 * with RP-SMA connectors.

Links of Interest
Product page Quick-start guide