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The present document addresses the specific RF technical characteristics and methods of measurements required by 
ECC Decision (20)02 [i.1] for base stations, cab radio user equipment and terminals other than cab radio intended to be 
used for the Future Railway Mobile Communications System (FRMCS) and operating in bands as listed in Table 1-1. 
Table 1-1: List of supported 3GPP bands and modes of operation
Band name Uplink Downlink Duplex mode RAT
n100 874,4 - 880 MHz 919,4 - 925 MHz FDD 5G NR 
n101 1 900 - 1 910 MHz 1 900 - 1 910 MHz TDD 5G NR 
The technical characteristics and methods of measurements have been derived from, and are consistent with ECC 
Decision (20)02 [i.1], Commission Implementing Decision (EU) 2021/1730 [i.2], ETSI TS 138 101-1 [1], ETSI 
TS 138 104 [2], ETSI TS 138 141-1 [3], ETSI TS 138 508-1 [4] and ETSI TS 138 521-1 [5]. 
For the clauses not specifically mentioned in the present document, compliance with the above mentioned 3GPP 
Technical Specifications (TS) is also required for BS and UE. Only BS type 1-C characteristics in the previously 
mentioned specifications apply for the base station specifications given in the present document