BUSINESS TELECOMMUNICATIONS (BTC). ORDINARY QUALITY VOICE BANDWIDTH 2-wire analogue leased line (A20). Connection characteristics and network interface presentation.
€84.00
BUSINESS TELECOMMUNICATIONS (BTC). SPECIAL QUALITY VOICE BANDWIDTH 2-Wire analogue leased line (A2S). Connection characteristics and network interface presentation.
€94.00
BUSINESS TELECOMMUNICATIONS (BTC). ORDINARY AND SPECIAL QUALITY VOICE BANDWIDTH 2-WIRE ANALOGUE LEASED LINES (A2O AND A2S). TERMINAL EQUIPMENT INTERFACE.
€77.00
BUSINESS TELECOMMUNICATIONS (BTC). ORDINARY QUALITY VOICE BANDWIDTH 4-wire analogue leased line (A40). Connection characteristics and network interface presentation.
€85.00
BUSINESS TELECOMMUNICATIONS (BTC). SPECIAL QUALITY VOICE BANDWITH 4-WIre analogue leased line (A4S). Connection characteristics and network interface presentation.
€96.00
BUSINESS TELECOMMUNCATIONS (BTC). ORDINARY AND SPECIAL QUALITY VOICE BANDWIDTH 4-WIRE ANALOGUE LEASED LINES (A4O AND A4S). TERMINAL EQUIPMENT INTERFACE.
€76.00
TRUNKED PRIVATE LAND MOBILE RADIO SYSTEMS. SPECIFICATIONS OF SIGNALLING OF THE SYSTEM.
€162.00
TRUNKED PRIVATE LAND MOBILE RADIO SYSTEMS. PERFORMANCE SPECIFICATION. SYSTEM INTERFACE SPECIFICATION FOR RADIO UNITS.
€140.00
TRUNKED PRIVATE LAND MOBILE RADIOSYSTEMS. RADIO INTERFACE SPECIFICATION.
€78.00
ATTACHMENTS TO PUBLIC SWITCHED TELEPHONE NETWORK (PSTN). GENERAL TECHNICAL REQUIREMENTS FOR EQUIPMENT CONNECTED TO AN ANALOGUE SUBSCRIBER INTERFACE IN THE PSTN. PART 1: GENERAL.
€20.00
ATTACHMENTS TO PUBLIC SWITCHED TELEPHONE NETWORK (PSTN). GENERAL TECHNICAL REQUIREMENTS FOR EQUIPMENT CONNECTED TO AN ANALOGUE SUBSCRIBER INTERFACE IN THE PSTN. PART 2: ATTACHEMENT REQUIREMENTS TO THE SPANISH PSTN.
€194.00
RADIO EQUIPMENT AND SYSTEMS. RADIOTELEX EQUIPMENT OPERATING IN THE MARITIME MF/HF SERVICE. TECHNICAL CHARACTERISTICS AND METHODS OF MEASUREMENT.
€102.00
RADIO EQUIPMENT AND SYSTEMS. LAND MOBILE SERVICE. TECHNICAL CHARACTERISTICS AND TEST CONDITIONS FOR RADIO EQUIPMENT WITH AN INTERNAL OR EXTERNAL RF CONNECTOR INTENDED PRIMARILY FOR ANALOGUE SPEECH.
€105.00
RADIO EQUIPMENT AND SYSTEMS (RES). SHORT RANGE DEVICES. TECHNICAL CHARACTERISTICS AND TEST METHODS FOR RADIO EQUIPMENT TO BE USED IN THE 25 MHZ TO 1 000 MHZ FREQUENCY RANGE WITH POWER LEVELS RANGING UP TO 500 MW.
€99.00
INTEGRATED SERVICES DIGITAL NETWORK (ISDN). 3,1 KHZ TELEPHONY TELESERVICE. ATTACHMENT REQUIREMENTS FOR HANDSET TERMINALS.
€115.00
