MODULE; MODIFIER: TRANSCEIVER; MANUFACTURER’S NAME: PHOENIX CONTACT; PART NUMBER: RAD-900-IFS; EQUIPMENT OF WHICH PART: CONCENTRATOR, PART NUMBER: RAD-900-IFS; EQUIPMENT PART OF: CONCENTRATOR; EQUIPMENT MODEL: TAG: 3221-MBO-001, 3221-MBO-0002, 3221-MBO-0002, RADORA; EQUIPMENT MODEL: TAG: 3221-MBO-001, 3221-MBO-0002 AND 3213-MSG-001;, ADDITIONAL FEATURES: RADIO 900MHZ (CONFIGURABLE AS MASTER – SLAVE – REPEATER), AS MASTER – SLAVE – REPEATER)