No - freq range is 50KHz to 1.5GHz on ALL NanoVNA units, except some cheap Chinese copies that were not built well or had shields.
Read the hardware section of the Wiki.
ALL NanoVNAs sold were a redesign by hugen.The original designer, edy555, asked hugen to change the name of his re-design, so he added the -H after the name.hugen also made some minor imporvements.
Use the resources on the forum - you will find A LOT of answers to what you're looking for.
Refer to the links in the Wiki to various User Guides as well for additional model info.
...Larry
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On Thursday, January 16, 2020, 2:15:58 p.m. GMT-5, SUNIL A R <sunilar85@...> wrote:
ok .only frequency range is different
nano vna 50khz-900mhz
nano vna-h 50khz -1.9ghz