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All things pertaining to wireless and RF links
By Walter Clark
I'm delighted to report that going from u-blox-GPS to XBee-on-an-Explorer with just three wires...
And then from XBee-on-a-FTDI-USB-Explorer, I was able to record flight paths of my R/C planes.

I was also able to go from u-blox-GPS to FTDI-Basic-USB to record paths directly to a laptop.

The Question:
Does that mean that u-blox output is an FTDI standard?
Is FTDI a bus protocol?

By jremington
The data transmission standard that you are using is RS232/TTL level serial, which has been around in one form or another for 60 to 70 years. It is very simple and it works, which explains why it has been around so long.

FTDI (Future Technology Devices International) is a company that makes USB serial to RS232/TTL serial converters, among other things. They are not the only company to do so.

USB serial is very complicated and changes frequently, so it may not be around so long.