Is there any more info on what the differences between ORI121217050 and ORI121217040 are?
Is this a new unit, will it eventually replace ORI121217040?
ORI121217050 has a small change to decrease HF interference on certain radio channels that can sometimes affect marine communications.
ORI121217050 will replace ORI121217040, yes. 7040 is still lower-cost and is quite suitable for most RV and other mobile installations other than marine where the HF interference can sometimes be an issue, but once 7040 is sold-out then 7050 will be the only XS 1250 model available.
The new XS 1400 has the same mechanism already built-in that ORI121217050 has.
The modified version is still a bit noisy, but a firmware upgrade is expected, that will move the noise away from the critical VHF channels by changing the oscillator frequency,
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