[Elecraft] K3 options compatible with K4D

[Nr4c]

I doubt it. Where the TX MON board go?  There’s no O3 and no SVGA module. 

I too wonder about the sensor. 

Sent from my iPhone
...nr4c. bill


> On Aug 21, 2019, at 7:09 PM, Charlie T <pincon at erols.com> wrote:
> 
> 
> Sorry if this has been already answered, but are there any K3/K3S options that are compatible with the K4?
> 
> For example, should I keep the transmit monitor board and sensor?
> 
> 73, Charlie k3ICH
> 
> 
> 
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