[ntp:hackers] u-blox reference clock driver

[Udo van den Heuvel]

On 16-08-18 16:06, MLewis via devel wrote:
> Do note that that the 4722 and 2712 are the pre-filtered versions.
> 
> "The TW4722 is the pre-filtered version of the TW1721. The pre-filter 
> provides protection from near frequency or strong harmonic interfering 
> signals."

TW2920: High rejection pre-filter
But then it comes down to features...
(or rather: bands we can or should have)

Udo