As part of IMDA's ongoing efforts to provide a platform for industry feedback on the technical requirements for IMDA regulations, IMDA invites comments from the public on the following:
| Open for comments | ||||
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| S/N | Title | Date opened for comments | Date closed for comments | |
| 1 |
This revision updates the following:
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28 Mar 2024 | 12 Apr 2024 | |
All views and comments should be submitted in soft copies (Microsoft Word or PDF Format) to Telecoms_Standards@imda.gov.sg by 12 noon of the closing date. Please be informed that for public comment, while IMDA would not publish the respondent’s name and comment made, IMDA may respond to the respondent via email and/or seek further clarification on the comment, where needed.
For enquiries, please email to Telecoms_Standards@imda.gov.sg.
| Closed for comments | ||||
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| S/N | Title | Date opened for comments | Date closed for comments | |
| Released on 9 November 2023 | ||||
| 1 |
This revision updates the existing technical Specifications for cellular base stations and repeater systems. |
27 Sep 2023 | 11 Oct 2023 | |
| Released on 1 September 2023 | ||||
| 1 |
Draft Technical Specifications for Short Range Devices (IMDA Issue 1, Revision 3) (618.82KB) The invitation for public comment for this revision is an extension to the one that was closed on 25 Apr 2023. There are specifications for the 6GHz band that have been inserted in this latest update. |
30 Jun 2023 | 18 Jul 2023 | |
| Not Released | ||||
| 1 |
Draft Technical Specifications for Short Range Devices (IMDA Issue 1, Revision 3) (1.06MB) This revision updates the existing Technical Specifications for Short Range Devices (TS SRD) with the following changes:
For more detailed changes to the specifications, please refer to Annex B in the document. |
11 Apr 2023 | 25 Apr 2023 | |
| Released on 6 June 2023 | ||||
| 1 |
Draft Reference Specification for Quantum Key Distribution Networks (IMDA RS QKDN Issue 1) (1.67MB) This reference specification provides a general fundamental guideline for QKDNs deployment. It defines the general framework and functional architecture of QKDN. It also specifies the main functions and related specifications in the different layers of QKDNs, such as quantum layer, key management layer, QKDN control and management layer and service layer.
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10 Apr 2023 | 24 Apr 2023 | |
| Released on 1 July 2022 | ||||
| 1 |
This Specification defines the minimum technical security requirements for the design and management of Devices implemented on cellular networks to better safeguard communication networks from security threats in the area of connection efficiency. It also sets out to minimise the vulnerability of the individual cellular Devices, ensuring that these devices are better protected and secured in the areas of Access Control and Over-The-Air (OTA) updating. This Specification is applicable to cellular Devices which support Section 7 on Connection Efficiency Requirements of the GSMA TS.34 v5.0: IoT Device Connection Efficiency Guidelines, and also subject for compliance either with IMDA Technical Specification for Internet of Things (IMDA TS IOT) or IMDA Technical Specification for Cellular Mobile Terminal (IMDA TS CMT). |
13 Oct 2021 | 27 Oct 2021 | |
| Released on 10 August 2021 | ||||
| 1 |
Draft Technical Specifications for Short Range Devices (IMDA Issue 1, Revision 2) (1.07MB) This revision updates the existing Technical Specifications for Short Range Devices (TS SRD) with the following changes:
For more detailed changes to the specifications, please refer to Annex B1 in the document. |
18 May 2021 | 1 Jun 2021 | |
| Released on 30 September 2020 | ||||
| 1 |
Draft Technical Specification for Cellular Base Station and Repeat System (IMDA TS CBS Issue 1, Revision 2) (579.21KB)and Cellular Mobile Terminal (IMDA TS CMT Issue 1, Revision 2) (738.41KB) This revision updates the existing technical Specifications for cellular base stations and repeater systems and cellular mobile terminals with the following changes:
Responses Received as at Closing Date: 28 Aug 2020 |
14 Aug 2020 | 28 Aug 2020 |
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| Not Released | ||||
| 1 |
This Specification defines the minimum technical security requirements for design and management of devices implemented on cellular networks to better safeguard communication networks from security threats in the area of connection efficiency. It also includes the requirements for Access Control and Over-The-Air (OTA) updating (when implemented). |
12 Feb 2020 |
28 Feb 2020 |
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| 2 |
This Specification defines the minimum technical security requirements for design and management of devices implemented on cellular networks to better safeguard communication networks from security threats in the area of connection efficiency. It also includes the requirements for Access Control and Over-The-Air (OTA) updating (when implemented). In view of requests received from the industry for more time to review the draft IMDA TS CD-SEC Issue 1, IMDA has conducted a second round of public comments (refer to the above row). |
9 Dec 2019 |
8 Jan 2020 |
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| Released on 17 November 2017 |
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| 1 |
Summary of Comments Received & IMDA’s Explanatory Notes (297.22KB) This revision provides clarity in the measurement techniques for radiated radio-frequency electromagnetic field immunity testing at the enclosure of the DVB-T2 IRD, and update on a SG6 transmission mode that offers a more robust modulation scheme for enhancing the indoor reception. Responses Received as at Closing Date: 13 Oct 2017 |
29 Sep 2017 | 13 Oct 2017 | |
| Released on 1 November 2017 | ||||
| 1 |
Technical Specification for Internet of Things (IMDA TS IOT Issue 1) Draft Technical Specification for Internet of Things (IMDA TS IOT Issue 1) (349.29KB) This Specification defines the minimum technical requirements for Internet of Things (IoT) devices that use low power wide area technologies to operate in one of the authorised frequency bands or frequencies and transmit within the corresponding output power levels stated. In particular, the requirements for Narrowband-IoT (NB-IoT) and Category M1 (CAT-M1) technologies are defined in this issue 1. |
29 Sep 2017 | 13 Oct 2017 | |
| Released on 5 October 2017 | ||||
| 1 |
The revision provides further clarity in requirements for implementation of the IEEE 802.11 WLAN MAC and PHY layer specifications, operating Outside the Context of a Basic service set (OCB), and a Checklist for ITS Service Providers to indicate requirements specific to their implementations for conformity assessment by suppliers of DSRC devices. |
19 Sep 2017 | 3 Oct 2017 | |
| Released on 1 July 2017 | ||||
| 1 |
Revision of the Technical Specification for Cellular Mobile Terminal (IMDA TS CMT Issue 1) and Cellular Base Station and Repeater System (IMDA TS CBS Issue 1) Proposed revision includes:
Draft IMDA Technical Specification for CMT Issue 1 Rev 1 Draft IMDA Technical Specification for CBS Issue 1 Rev 1 Responses Received as at Closing Date: 21 Jun 2017 Sony Mobile Communications International AB (172.42KB) |
7 Jun 2017 | 21 Jun 2017 | |
| Released on 22 December 2016 | ||||
| 1 |
Public Consultation on the Revision of the Technical Specification for the DVB-T2 IRD (327.36KB) IMDA is conducting a public consultation on the revision of the Technical Specification for the DVB-T2 Integrated Receiver Decoder (IRD). Draft IMDA Technical Specification for DVB-T2 IRD Issue 1 (1.26MB) Responses Received as at Closing Date: 25 Nov 2016 |
11 Nov 2016 |
25 Nov 2016 |
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| Released on 6 October 2016 |
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| 1 |
This Specification is intended for the development and implementation of an ITS architecture for Vehicle-to-Vehicle (V2V) and Vehicle-to-Infrastructure (V2I) communications envisaged in the Smart Nation
IDA invites feedback from the public on the Draft IDA Technical Specification for DSRC.
Responses Received as at Closing Date : 15 Jan 2016
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21 Dec 2015 | 15 Jan 2016 | |
| Released on 19 September 2016 | ||||
| 1 | Explanatory Memo for Revision of the IDA Electromagnetic Compatibility and Safety Framework for ICT equipment (92.68KB) Public consultation on the proposed revision of the IDA Electromagnetic Compatibility (EMC) and Safety Framework for Information and Communications Technology (ICT) Equipment (358.46KB) IDA invites feedback from the industry and the general public on the proposed revision of the IDA EMC and Safety Framework for ICT Equipment Responses Received as at Closing Date : 22 Jul 2016 Sony Malaysia (165.16KB) Wideminds (351.63KB) |
23 June 2016 | 8 July 2016 Has been extended to 22 July 2016 |
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| Released on 23 March 2016 | ||||
| 1 | Technical Specification for Television White Space Devices Draft Technical Specification for Television White Space Devices (367.40KB) This Specification defines the technical requirements of Television ("TV") Band or White Space Devices ("WSD") that may be permitted to operate on any available TV channels of the broadcast TV frequency bands. Responses Received as at Closing Date : 13 Apr 2015 StarHub Ltd (181.20KB) |
30 Mar 2015 | 13 Apr 2015 | |
| Released on 21 July 2014 |
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| 1 | Technical Specification for Coaxial Cable Home Networking Draft Reference Specification for Coaxial Cable Home Networking (374.90KB) This Specification defines the spectrum mask and isolation filter for the coaxial cable home network to coexist with the cable modem and the FTA plus CATV deployment. |
25 Nov 2009 | 10 Dec 2009 | |
| Released on 23 June 2014 | ||||
| 1 | Technical Specification for Land Mobile Radio Issue 1 Revision 5 Draft IDA Technical Specification for Land Mobile Radio Issue 1 Revision 5 (193.12KB) Due to harmonisation of frequency usage within the region, the radio frequency band 477.00 - 477.25 MHz will be reallocated for television broadcasting usage and will no longer be used for Multi-Channels Radio (MCR) operation. MCR users will need to migrate to radio frequency band 446.3250 – 446.4750 MHz (446 MHz). The technical specifications for MCR have thus been revised to the new 446 MHz radio frequency band with maximum RF power set at 1 W ERP. Licence from IDA is required for the use of MCR with RF power above 500 mW ERP. No comments received
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28 May 2014 | 11 Jun 2014 | |
| Released on 5 May 2014 | ||||
| 1 | Technical Specification for DVB-T2 IRD Issue 1 Revision 2
Draft IDA-MDA Technical Specification for DVB-T2 IRD Issue 1 Revision 2 (340.35KB) MDA and IDA are jointly conducting a public consultation on the revision of the Technical Specification for the DVB-T2 Integrated Receiver Decoder (IRD). No comments received |
31 Mar 2014 | 14 Apr 2014 | |
| Released on 24 January 2014 | ||||
| 1 | Reference Specification for Next Generation Networks (NGN) Technical Framework and PSTN/ISDN Evolution to NGN Draft Revised Reference Specification for Next Generation Networks (NGN) Technical Framework (355.61KB) Draft Revised Reference Specification for PSTN/ISDN Evolution to NGN (235.88KB) These Specifications have been updated with ITU-T references for supporting the implementation of the NGN Release 2 scope of capabilities and services. NGN Release 1 adopted previously may support:
In addition to all the NGN Release 1 services, NGN Release 2 may support:
No comments received
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8 Jan 2014 |
22 Jan 2014 |
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| Released on 29 October 2013 | ||||
| Summary of Responses & IDA’s Decisions (135.24KB) New |
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| 1 | Technical Specification for Terminal Equipment connected to the Network Terminating Equipment or the Public Switched Telephone Network for access to voice band services (605.53KB) New | |||
| 2 | Technical Specification for Terminal Equipment connected to the Integrated Services Digital Network (485.97KB) New |
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| 3 | Technical Specification for Cable Modems connected to High-Speed Data-Over-Cable-Systems (575.05KB) New |
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| 4 | Technical Specification for Asymmetric Digital Subscriber Line Modems (296.10KB) New |
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| 5 | Technical Specification for Terminal Equipment connected to 2 Mbit/s, 34 Mbit/s and 140 Mbit/s Digital Leased Lines (253.32KB) New |
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| Public Consultation on Revision of Technical Specifications for Line Terminal Equipment (133.73KB) | ||||
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Draft Technical Specification for Terminal Equipment connecting to the Network Terminating Equipment or the Public Switched Telephone Network for access to voice band services (607.07KB) |
24 July 2013 | 16 August 2013 | ||
| Released on 25 April 2013 | ||||
| 1 | Technical Specification for Short Range Devices Technical Specifications for Short Range Devices - Revision (122.72KB)
Responses Received as at Closing Date : 16 Oct 2012 The following two respondents supported the proposed revision to the IDA TS SRD. |
2 Oct 12 |
16 Oct 12 |
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| Released on 15 March 2013 | ||||
| 1 | Technical Specification for DVB-T2 Integrated Receiver Decoder (Revision) (734.95KB) Clarifications issued by MDA and IDA to the IDA/MDA TS DVB-T2 IRD (295.78KB) Editorial clarifications have been carried out to the IDA/MDA TS DVB-T2 IRD to provide greater clarity to the technical requirements. |
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| Released on 19 November 2012 | ||||
| 1 |
Technical Specification for DVB-T2 Integrated Receiver Decoder (IDA TS IRD-T2) (497.06KB) Public Consultation by MDA-IDA on the Technical Specification for DVB-T2 Integrated Receiver Decoder (181.26KB) MDA and IDA have received requests to extend the deadline for the submission of comments to the Technical Specification for DVB-T2 Integrated Receiver Decoder. Having considered the requests, MDA and IDA agree to extend the submission deadline till 28 August 2012, 12pm, Singapore time. Responses Received as at Closing Date : 28 Aug 2012 Digital TV Labs (32.97KB) |
1 Aug 12 |
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| Released on 14 November 2012 | ||||
| 1 | Technical Specifications for Wireless Broadband Access Equipment Draft Technical Specifications for Wireless Broadband Access Equipment - Revision (51.32KB)
No comments received |
2 Oct 12 |
16 Oct 12 |
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| Released on 27 August 2012 | ||||
| 1 | Technical Specification for Powerline Communications (PLC) Home Networking Draft Technical Specification for Powerline Communications (PLC) Home Networking (161.30KB) This Specification defines the minimum technical requirements for the connection of PLC devices to the mains network for the purpose of data transfer and telecommunications and also possibly, for the supply of electrical energy to the devices. |
24 Apr 12 |
9 May 12 |
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| Released on 19 January 2012 | ||||
| 1 |
Reference Specification for Internet Protocol version 6 (IPv6) Profile Draft Revised Reference Specification for Internet Protocol version 6 (IPv6) Profile (909.00KB) IPv6 Standard specification has been evolving dramatically since the depletion of global free pool of IPv4 address in Feb. For this revision, we have upgraded a few specifications in the Transition Mechanism Requirement from Draft to RFC status. We have also replaced some Expired RFCs by latest RFCs in IPv6 Security Requirement and inserted new RFCs in the Address Requirement, IPv6 Security Requirement, Transition Mechanism Requirement and Link Specific Requirement. No comments received |
21 Dec 11 |
4 Jan 12 |
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| Released on 17 June 2011 | ||||
| 1 |
Technical Specification for Cellular Mobile Terminal (IDA TS CMT) (24.36KB) Incorporating the essential technical requirements for compliance formerly defined under the Specifications IDA TS GSM-MT and IDA TS 3G-MT. Inclusion of IMT 2000's E -UTRA FDD technology. |
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| 2 |
Technical Specification for Cellular Base Station and Repeater Station (IDA TS CBS) (63.84KB) Incorporating the essential technical requirements for compliance formerly defined under the Specifications IDA TS GSM-BS and IDA TS 3G-BS. Inclusion of IMT 2000's E -UTRA FDD technology. |
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| Released on 24 February 2011 | ||||
| 1 | Technical Specification for Land Mobile Radio Equipment (Revision) (181.74KB) Provision of services operating with 6.25 kHz channel spacing is intended for improving the spectrum efficiency of equipment operating in the following frequency bands:
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| Released on 14 February 2011 | ||||
| 1 | Reference Specification for Singapore Internet Protocol version 6 (IPv6) Profile (234.27KB) The purpose of Singapore IPv6 Profile is to identify the IPv6 capabilities so as to assist Singapore Government Agencies, Enterprise and Network Providers in the development of specific acquisition and deployment plans. This Profile is not designed for transition guide and policies. The objective is to define an unambiguous "working language" with respect to the suite of international standards defining IPv6 (i.e. Internet Engineering Task Force's Request for Comments, IETF RFCs). This assists in assuring quality deployment outcomes. This Profile defines the basic configuration options for IPv6 capability requirements of specific procurement. Government agencies, enterprise and network providers are expected to work closely with their hardware and software vendors to further revise the specification to meet their requirement. |
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| Released on 22 July 2010 | ||||
| 1 | Reference Documents for Optical Fibre Deployment - Chapter 1 (585.76KB) |
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| 2 | Reference Documents for Optical Fibre Deployment - Chapter 2 (800.66KB) |
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| 3 | Reference Documents for Optical Fibre Deployment - Chapter 3 (655.89KB) |
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| 4 | Reference Documents for Optical Fibre Deployment - Chapter 4 (410.44KB) |
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| 5 | Reference Documents for Optical Fibre Deployment - Chapter 5 (1.27MB) |
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| Released on 22 March 2010 | ||||
| 1 | Network Termination Architecture and Requirements (249.32KB) This Reference Specification addresses the technical requirements and references pertaining to the Network Termination Point (NTP) of the Next Generation National Broadband Network (NGNBN). |
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| Released on 15 July 2009 | ||||
| 1 | Technical Specification for Short Range Devices - Revision (182.66KB) Revision is purely editorial in nature. Short Range Devices (SRD), the usage of which requires individual IDA's approval are listed separately in a new table (Table 2). Those that do not require individual IDA's approval remains at Table 1. |
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| 3 | Technical Specification for GSM Base Station and Repeater Equipment - Revision (41.38KB) The operating frequencies for GSM900 are extended from 935 - 960 MHz / 890 - 915 MHz to 925 - 960 MHz / 880 - 915 MHz. |
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| 4 | Technical Specification for IMT-2000 Third Generation (3G) Cellular Mobile Terminals - Revision (80.00KB) Inclusion of a new provision (para 1.2.2) to highlight security measure for IMEI. |
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IMDA is conducting a public consultation on the revision of the Technical Specification for the DVB-T2 Integrated Receiver Decoder (IRD).
Public Consultation on the Revision of the Technical Specification for the DVB-T2 IRD (327.36KB) Draft IMDA Technical Specification for DVB-T2 IRD Issue 1 (1.26MB) |
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