Reader identity and deployment context
The Siemens 6GT2811-7DD20-2AA0 is a SIMATIC RF695R CMITT UHF RFID reader from the RF600 family, designed for industrial identification applications. It connects via Ethernet RJ45 with Power over Ethernet (PoE) and supports up to eight antennas, plus one digital input and one digital output on 24 V DC.
Sourcing and cross-reference notes
The group code is R322 and the product group is 4371 — these are internal Siemens classification fields useful for cross-referencing in legacy BOMs or when searching alternative stocking locations. No pin-compatible alternative is listed on the record; the RF695R is a specific variant within the RF600 family, distinguished by its CMITT certification for the Chinese market and its eight-antenna port count.