[amsat-bb] Re: Educate the Manufacturers

[Nigel Gunn G8IFF/W8IFF]

Full Duplex means that you can both receive and transmit simultaneously.
Half Duplex means that you can both receive and transmit but only one at a time.
Simplex means that you can either receice or transmit but not both.
Frequency and bands are irrelevent to the definitions.

On 16-Dec-10 21:47, Trevor . wrote:
> Clint,
>
> Can you name a specific manufacturer that claims their equipment is "Full Duplex" when it isn't ?
>
> I note Yaesu say the FTM-350 as well as being "Full Duplex" does:
>
> "For emergency work, or to extend the range of a hand-held unit, the FTM-350R includes Cross-Band Repeat capability."
>
> Now it seems to me the Cross-Band Repeat facility wouldn't work if it wasn't full duplex.
>
> 73 Trevor M5AKA
>