The K144RFLK is showing as available on this page. However, clicking the item takes you to a page suggesting to “signup” on an interest list.
https://elecraft.com/pages/k-line-transceiver-k3-k3s Also, to use an external 10MHz reference, K3EXREF is required. My K3S is currently in Watsonville for “final upgrading”, and two items to be installed are the K144XV and K144RFLK. If your K3 has been upgraded to KSYN3A, there is an additional mod that the KREF3 Reference Oscillator should undergo. Ben W4SC Sent from Mail for Windows 10 ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com