Runtop WS4000

This is a Wireless to Serial converter.

"A/N: PCWA4350-000-RR300", "P/N: WA4350 Rev. RR", "START: 2005/05/23" is silkscreened on the wireless module.

The FCC test report lists the following units as identical (besides appearance and antenna configuration)...
 * WS4000 (integral antenna)
 * WS4001 (detachable antenna)