K3: KXV-3 for bandscope only - add later?

[KM5Q]

My K3 is due in about a month. I wonder if I should order the KXV-3  
(RF I/O option) for the initial build, or consider adding it later.  
The ONLY purpose I expect to have for it is to connect the bandscope,  
when available. It seems to make sense to wait and add it later,  
unless it is hard to do after the assembly. Any advice from you  
builders?

Or, an option might be to instal an IF output for the scope without  
purchasing the KXV-3. Is it just a cable and jack, or is there some  
isolating circuitry? (If it's very involved, I'd just get the whole  
KXV-3.)

Thanks!
Windy KM5Q
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[rkayakr]

Windy

   I would get the KXV-3 with the K3. I didn't order one with my K3. I then ordered a KXV-3 in January and I am still waiting.  Yes, in theory you can add options at any time. In practice there may be long waits for delivery of even simple options. There has also been a price increase since I placed my order, so waiting may cost you more.

  The KXV-3 does not provide isolation. K8ZOA has considered making an isolation product for the K2 and K3. Search for his call in the reflector and you'll find his post from March 18 on this topic.

    Bob
      KD8CGH