ARLA/CLUSTER: Guia para o PMR Digital.

[João Gonçalves Costa]

[http://www.underwoodelectronics.co.uk/digital_pmr/DP3600-3601.png][http://www.mrscomms.co.uk/ICF4029_files/image001.gif]
Guide to Digital PMR

The digital Private Mobile Radio (dPMR) web site contains a guide to this digital Voice/Data mode for 6.25 kHz channel spacing.

dPMR is a digital technology designed for VHF/UHF that uses 4FSK/FDMA modulation and supports both voice and data. It operates with 6.25 kHz channel spacing instead of the 12.5 kHz channels required for FM (relevant ETSI standards TS 102 490 and TS 102 658).

On the dpmr-mou website under the drop-down menu "What is dPMR" are two guides titled 'I have 5 minutes' and 'I have 30 minutes', see http://www.dpmr-mou.org/

dPMR Downloads inc ETSI specs
http://www.dpmr-mou.org/dpmr-downloads.htm

The Gadget Show tests digital and analog walkie talkies
http://www.southgatearc.org/news/november2008/
gadget_show_radio_tests.htm

ETSI Standards available as free downloads
http://www.southgatearc.org/news/february2009/
etsi_standards.htm

Icom (UK) Ltd - Digital PMR in just 5 minutes!
http://www.icomuk.co.uk/categoryRender.asp
?categoryID=3508&cCID=16480
-------------- próxima parte ----------
Um anexo em HTML foi limpo...
URL: http://radio-amador.net/pipermail/cluster/attachments/20090825/0795af67/attachment.htm