GSM test sets (HP 8922M, for instance..)

Dieter Spaar spaar at
Mon Oct 8 08:41:38 UTC 2012

Hello John,

On Mon, 8 Oct 2012 05:59:07 +0000 (UTC), "John Case" <case at SDF.ORG> wrote:
> So do I understand that by itself, the unit handles 900 and 850, and the 
> add-on gives it 1800 and 1900 ?

The HP8922M can't simulate a GSM-850 network, only GSM-900 (E-GSM is
also possible). The optional extension unit adds GSM-1800 and GSM-1900.

However it is possible to generate various GSM test signals on the
whole frequency range the HP8922M supports (10 MHz to 1000 MHz for
the HP8922M alone) which includes GSM-850. This is uselful for
Layer-1 development like it was done for OsmocomBB.

And as hint: look for a HP8922M which has the optional spectrum analyzer
built in, it can be very usefull sometimes.

Best regards,
Dieter Spaar, Germany                           spaar at

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