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Technical Specifications Date Title IMDA TS CD-SEC July 2022 Security Requirements to Guard against Network Storms for Cellular Devices (278.75KB) In-force 2 Jan 2023 IMDA TS RG-SEC Oct 2020 Security Requirements for Residential Gateways (222.36KB) IMDA TS IOT Nov 2017 Technical Specification for Internet of Things (447.01KB) IMDA TS DSRC Oct 2017 Technical Specification for Dedicated Short-Range Communications in Intelligent Transport Systems (833.24KB) In-force 5 Oct 2017 IMDA TS WSD Oct 2016 Technical Specification for Television White Space Devices (690.15KB) IMDA TS DVB-T2 IRD Nov 2017 Technical Specification for DVB-T2 Integrated Receiver Decoder (IRD) (1.28MB) In-force 1 Jun 2018 IMDA TS CT-CTS Oct 2016 Technical Specification for Cordless Telephone and Cordless Telecommunication Systems (495.13KB) IMDA TS SRD Aug 2021 Technical Specification for Short Range Devices (SRD) (1.06MB) IMDA TS AR Oct 2016 Technical Specification for Amateur Radio Equipment (334.39KB) IMDA TS GMPCS Oct 2016 Technical Specifications for Global Mobile Personal Communication Satellite (GMPCS) Terminals (331.74KB) IMDA TS CMT Sep 2020 Technical Specification for Cellular Mobile Terminal (738.19KB) IMDA TS CBS Sep 2020 Technical Specification for Cellular Base Station and Repeater System (579.22KB) IMDA TS UWB Oct 2016 Technical Specification for Ultra Wideband (UWB) Devices (526.90KB) IMDA TS WBA Oct 2016 Technical Specification for Wireless Broadband Access (WBA) Equipment (413.80KB) IMDA TS LMR Oct 2016 Technical Specification for Land Mobile Radio Equipment (408.47KB) For enquiries, please email to Telecoms_standards@imda.gov.sg