Tetra Spectrum This topic has 2 replies, 1 voice, and was last updated 8 years, 5 months ago by Benoit. Viewing 3 posts - 1 through 3 (of 3 total) Author Posts 26th March 2008 at 07:00 #51691 WaliGuest Can anyone describe me in detail how we make its ARFCN. TETRA Frequency band 380-400 Channel Spacing 25 khz UP 380-390 DL 390-400 RGRDS WALI 26th March 2008 at 07:35 #51692 pixGuest you can have a look into the specs : pda.etsi.org/pda/queryform.asp and search “300 392”, that’s the reference for TETRA systems. 18th April 2016 at 03:07 #51693 BenoitGuest I’m planning demo to upgrade a TETRA network 380 to 420 Mhz Author Posts Viewing 3 posts - 1 through 3 (of 3 total) The forum ‘Telecom Design’ is closed to new topics and replies.