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NanoVNA-H

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The NanoVNA-H is very compact and I like it for portable operation.
Table of Contents

I leave the BNC adapter on because I usually only have BNC connectors on my portable rigs and antennas.

This is the analyzer that is in the same bag as the TX-500.

Firmware update #

Get latest firmware from https://github.com/DiSlord/NanoVNA-D.

Set device into DFU mode and flash firmware. Reset when finished.

$ dfu-util -d 0483:df11 -a 0 -s 0x08000000:leave -D Downloads/NanoVNA.H.v1.2.46.bin
dfu-util 0.11

Copyright 2005-2009 Weston Schmidt, Harald Welte and OpenMoko Inc.
Copyright 2010-2021 Tormod Volden and Stefan Schmidt
This program is Free Software and has ABSOLUTELY NO WARRANTY
Please report bugs to http://sourceforge.net/p/dfu-util/tickets/

dfu-util: Warning: Invalid DFU suffix signature
dfu-util: A valid DFU suffix will be required in a future dfu-util release
Opening DFU capable USB device...
Device ID 0483:df11
Device DFU version 011a
Claiming USB DFU Interface...
Setting Alternate Interface #0 ...
Determining device status...
DFU state(10) = dfuERROR, status(10) = Device's firmware is corrupt. It cannot return to run-time (non-DFU) operations
Clearing status
Determining device status...
DFU state(2) = dfuIDLE, status(0) = No error condition is present
DFU mode device DFU version 011a
Device returned transfer size 2048
DfuSe interface name: "Internal Flash  "
Downloading element to address = 0x08000000, size = 95528
Erase     [=========================] 100%        95528 bytes
Erase    done.
Download  [=========================] 100%        95528 bytes
Download done.
File downloaded successfully
Submitting leave request...
Transitioning to dfuMANIFEST state