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Author Topic: N5BOC Duplex Hotspot. If it's transmitting DMR, will Fusion not get transmitted  (Read 41 times)

N1AUP

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I have an N5BOC duplex hotspot, that is configured for DMR.  My static groups are 91, and another one.  I also set up Fusion in Pistar.

If DMR traffic is coming through my hotspot on 91 Worldwide, will that block out any fusion traffic that might be coming in?  I'm seeing my Hotspot transmitting as seen on the meter of the Yaesu 991a.  I also see DMR stuff showing up on my dash.  I don't hear any Fusion traffic coming through.  When my hotspot stops transmitting, I then can get Fusion conversation coming through when it starts transmitting again.

Should I program in a less busy DMR talk group so that it doesn't block the fusion traffic?

What takes priority or can the hotspot simultaneously transmit Fusion and DMR?

Thanks
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WW1SS

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That is why I have 2 different hotspots. Can't receive both at the same time.
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G8FXC

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I don't know of any hotspot that can transmit two different modes simultaneously. The "duplex" in "duplex hotspot" refers to its ability to transmit and receive simultaneously - like a full repeater. Simplex hotspots can either receive or transmit, but not the two simultaneously. This normally does not matter - you are not using it as a repeater to help you talk to another local station - it is your personal gateway into the internet based communications network like Brandmeister or Phoenix. The problem with simplex hotspots is that they cannot receive commands from a local radio if they are transmitting - and many users of DMR or Fusion do not leave gaps between transmissions. It can be a real pain if you ping your simplex hotspot up on a reflector or talk group that is hosting a QSO between two stations that don't leave gaps, it can effectively be impossible to switch to another reflector or talk group without rebooting the hotspot.

A duplex hotspot should be able to both transmit the signal coming in over the internet and also receive transmissions from your HT - so it is able to receive your disconnect and talkgroup change commands. In practice, it is not always very successful - proper repeaters use sophisticated filters to stop the transmit and receive sides interfering with each other, but the MMDVM boards in cheap hotspots are far less sophisticated.

Martin (G8FXC)
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