ETSI
Representing members from 54 countries, ETSI promotes worldwide standardization in telecommunications, broadcasting and information technology. The work of ETSI is closely aligned with the market needs of network operators, manufacturers, service providers, research institutions, and end users.
ETSI ETS 300 633
Transmission and Multiplexing (TM); Digital Radio Relay Systems (DRRS); Low and medium capacity poin
$11.00 $21.51
ETSI ETS 300 635
Transmission and Multiplexing (TM); Synchronous Digital Hierarchy (SDH); Radio specific functional b
$19.00 $37.00
ETSI ETS 300 636
Transmission and Multiplexing (TM); Time Division Multiple Access (TDMA) point-to-multipoint digital
$11.00 $21.51
ETSI ETS 300 638
Transmission and Multiplexing (TM); Digital Radio Relay Systems (DRRS); Fixed point-to-point radio l
$15.00 $29.50
ETSI ETS 300 639
Transmission and Multiplexing (TM); Digital Radio Relay Systems (DRRS); Sub-STM-1 DRRS operating in
$13.00 $25.50
ETSI ETS 300 640
Human Factors (HF); Assignment of alphabetic letters to digits on standard telephone keypad arrays
$7.00 $14.00
ETSI ETS 300 641
Digital cellular telecommunications system (Phase 2) (GSM); Specification of the 3 Volt Subscriber I
$9.00 $17.50
ETSI ETS 300 642
Digital cellular telecommunications system (Phase 2) (GSM); AT command set for GSM Mobile Equipment
$32.00 $63.00
ETSI ETS 300 643
Integrated Services Digital Network (ISDN); Overall network aspects and functions; Frame Relaying Se
$7.00 $14.00
ETSI ETS 300 646-1
Integrated Services Digital Network (ISDN); Signalling System No.7; Digital cellular telecommunicati
$15.00 $29.50
ETSI ETS 300 646-2
Integrated Services Digital Network (ISDN); Signalling System No.7; Digital cellular telecommunicati
$9.00 $17.50
ETSI ETS 300 646-3
Integrated Services Digital Network (ISDN); Signalling System No.7; Digital cellular telecommunicati
$9.00 $17.50
ETSI ETS 300 646-4
Integrated Services Digital Network (ISDN); Signalling System No.7; Digital cellular telecommunicati
$66.00 $131.00
ETSI ETS 300 647
Broadband Integrated Services Digital Network (B-ISDN); Signalling ATM Adaptation Layer (SAAL); Laye
$7.00 $14.00
ETSI ETS 300 648
Public Switched Telephone Network (PSTN); Calling Line Identification Presentation (CLIP) supplement
$9.00 $17.50