On 9th November 2023 , IMDA had published the revision of Technical Specification for Cellular Base Station and Repeater System (IMDA TS CBS Issue 1 Revision 3)
Please refer to regulator link below：
https://www.imda.gov.sg/-/media/imda/files/regulation-licensing-and-consultations/ict-standards/telecommunication-standards/radio-comms/imda-ts-cbs.pdf
Here is the items change from the previous revision:
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