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Extended GSM: 880 – 915 925 – 960 45 1.4, 3, 5, 10 11 FDD 1500 Lower PDC: 74 1427.9 – 1447.9 1475.9 – 1495.9 48 5, 10 Japan 12 FDD 700 Lower SMH 85 699 – 716 729 – 746 30 1.4, 3, 5, 10 13 FDD 700 Upper SMH 777 – 787 746 – 756 −31 5, 10 14 FDD 700 Upper SMH 788 – 798 758 – 768 −30 5, 10 17 FDD 700 Lower SMH 12, 85: 704 ...
Epson has released a firmware patch to bring the R-D1 up to the full functionality of its successor, being the first digital camera manufacturer to make such an upgrade available for free. [citation needed] In September 2012, Epson introduced a printer called the Expression Premium XP-800 Small-in-One, with the ability to print wirelessly. [20]
Unlimited cell size, low transmitter power permits large cells Very low density Soft No 3G: CDMA: IS-2000 (CDMA 2000) Digital: 2000 / 2002 Limited RUIM (rarely used) None Unlimited cell size, low transmitter power permits large cells Very low density Soft No EVDO / Yes SVDO [2] 3G: W-CDMA: UMTS (3GSM) Digital: 2001 Worldwide SIM card: None
GSM-1900 and GSM-850 are used in most of North, South and Central America (ITU-Region 2). In North America, GSM operates on the primary mobile communication bands 850 MHz and 1900 MHz. In Canada , GSM-1900 is the primary band used in urban areas with 850 as a backup, and GSM-850 being the primary rural band.
When the terrain is hilly, the maximum distance can vary from as little as 6 to 8 km (3.7 to 5.0 mi) due to encroachment of intermediate objects into the wide center Fresnel zone of the signal. [8] Depending on terrain and other circumstances, a GSM Tower can replace between 3 and 80 km (2 and 50 mi) of cabling for fixed wireless networks. [9]
Small cells are available for a wide range of air interfaces including GSM, CDMA2000, TD-SCDMA, W-CDMA, LTE and 5G. In 3GPP terminology, a Home Node B (HNB) is a 3G femtocell. A Home eNode B (HeNB) is an LTE femtocell.
GSM-900 and GSM-1800 are used in: Europe, Middle East, Africa and most of Asia. In South Americas these bands are used in Costa Rica (GSM-1800), Brazil (GSM-850, 900 and 1800), Guatemala (GSM-850, GSM-900 and 1900), El Salvador (GSM-850, GSM-900 and 1900). There is a more comprehensive record of international cellular service frequency assignments
Frame size (byte) Default packet interval (ms) Description References 0 PCMU audio 1 8000 any 20 ITU-T G.711 PCM μ-Law audio 64 kbit/s RFC 3551 1 reserved (previously FS-1016 CELP) audio 1 8000 reserved, previously FS-1016 CELP audio 4.8 kbit/s RFC 3551, previously RFC 1890 2 reserved (previously G721 or G726-32) audio 1 8000