Tanzania Communications Regulatory Authority (TCRA) recently publish the updates of Minimum technical specifications for IoT devices.              

    This Specification defines the minimum technical requirements for Internet of Things (IoT) devices that use Low Power Wide Area Network (LPWAN) technologies to operate in one of the authorized frequency bands or frequencies stated in this specification.

    The following documents are necessary for the application of this specification

1) ETSI TS 136 521-1: LTE; Evolved Universal Terrestrial Radio Access (E-UTRA); User Equipment (UE) conformance specification

2) ETSI TS 136 101: LTE; Evolved Universal Terrestrial Radio Access (E-UTRA); User Equipment (UE) radio transmission and reception

3) ETSI EN 301 489-1: EMC standard for radio equipment and services; 

4) ETSI EN 301 489-24: EMC standard for radio equipment and services

5) ETSI TS 136 521-1: LTE; Evolved Universal Terrestrial Radio Access (E-UTRA); User Equipment (UE) conformance specification

6) IEC 62368-1:  Audio/video, information and communication technology equipment 

7) IEC/IEEE 62209-1528:2020: Product standard to demonstrate the compliance of wireless communication devices, with the basic restrictions and exposure limit values related to human exposure to electromagnetic fields in the frequency range from 300 MHz to 6 GHz: devices used next to the year

8) EN 50360: Product standard to demonstrate the compliance of wireless communication devices, with the basic restrictions and exposure limit values related to human exposure to electromagnetic fields in the frequency range from 300 MHz to 6 GHz: devices used next to the year

9) IEC 60215: Safety requirements for radio transmitting equipment – General requirements and terminology

10) ETSI TS 136 141: LTE; Evolved Universal Terrestrial Radio Access (E-UTRA); Base Station (BS) conformance testing

11) ETSI TS 137 141: Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); LTE; 5G; NR, E-UTRA, UTRA and GSM/EDGE; Multi-Standard Radio (MSR) Base Station (BS) conformance testing

12) ETSI TS 136 104: LTE; Evolved Universal Terrestrial Radio Access (E-UTRA); Base Station (BS) radio transmission and reception 

13) ETSI TS 137 104: Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); LTE; E-UTRA, UTRA and GSM/EDGE; Multi-Standard Radio (MSR) Base Station (BS) radio transmission and reception TU Rec. ITU-T X.1364: Security requirements and framework for narrowband Internet of things

       IoT device (UE) may be AC powered or DC (Battery) powered. For AC powered IoT device (UE), the device shall operate using an AC mains supply of voltage, 220V – 240V, and frequency, 50 Hz ± 2%.Official publication is Here