Transmission and Multiplexing (TM); Fixed radio link equipment for the transmission of analogue video signals operating in the frequency range 24,25 GHz to 29,50 GHz
Document status: Active
Transmission and Multiplexing (TM); Digital Radio Relay Systems (DRRS); Low and medium capacity point-to-point DRRS operating in the frequency range 2,1 GHz to 2,6 GHz
Document status: Active
Transmission and Multiplexing (TM); Synchronous Digital Hierarchy (SDH); Radio specific functional blocks for transmission of M x STM-N
Document status: Active
Transmission and Multiplexing (TM); Time Division Multiple Access (TDMA) point-to-multipoint digital radio systems in the frequency range 1 to 3 GHz
Document status: Active
Transmission and Multiplexing (TM); Digital Radio Relay Systems (DRRS); Fixed point-to-point radio link equipment for the transmission of digital signals and analogue video signal operating in the frequency bands 10 GHz and 14 GHz with 20 MHz alternate channel spacing
Document status: Active
Transmission and Multiplexing (TM); Digital Radio Relay Systems (DRRS); Sub-STM-1 DRRS operating in the 13 GHz, 15 GHz and 18 GHz frequency bands with about 28 MHz co-polar and 14 MHz cross-polar channel spacing
Document status: Active
Human Factors (HF); Assignment of alphabetic letters to digits on standard telephone keypad arrays
Document status: Active
Digital cellular telecommunications system (Phase 2) (GSM); Specification of the 3 Volt Subscriber Identity Module - Mobile Equipment (SIM - ME) interface (GSM 11.12)
Document status: Active
Digital cellular telecommunications system (Phase 2) (GSM); Specification of the 3 Volt Subscriber Identity Module - Mobile Equipment (SIM - ME) interface (GSM 11.12 version 4.2.1)
Document status: Active
Digital cellular telecommunications system (Phase 2) (GSM); Specification of the 3 Volt Subscriber Identity Module - Mobile Equipment (SIM - ME) interface (GSM 11.12 version 4.3.1)
Document status: Active