Electronic And Postal Communications (Digital and other Broadcasting Networks) G.N. No. 418 (contd) ______ FIRST SCHEDULE _______ TECHNICAL STANDARDS FOR MULTIPLEXER (Made under Regulation 10) (a) (b) (c) (d) (e) (f) (g) (h) Digital Video Broadcasting-Terrestrial (DVB-T EN 300 744) for free to air and subscription services and where necessary Digital Video Broadcasting-Satellite (DVB-S EN 300 421) to compliment the terrestrial service as a relaying standard to remote areas due to terrain and lack of terrestrial infrastructure; MPEG-4/H.264 AVC or its higher compression format developed for DTT after issuance of these Regulations and as may be approved by the Authority; MPEG-4 based STB and backward compatible with MPEG-2; Multiplex Operators to provide network security to prevent stolen STBs from being used outside Tanzania and the East African Community region. STB to be open and Interoperable with networks within the Republic and the East African Community region; The DVB-T Head-end shall support Standard Television (SDTV) and provisionally upgradeable to support High Definition (HDTV) programming. Standards applicable to STBs should also apply to IDTV (Integrated Digital Television Receivers)] Provision of Over The Air (OTA) capability by the STB; (i) STB-Cost, (Multicrypt vs Simulcrypt) Simulcrypt to be the option; (ii) Use of technology which shall ensure low cost to end-users 49