Anybody used one of these antennas for a 433Mhz system?
http://www.ebay.co.uk/itm/SMA-Male-Plug-Right-Angle-10cm-GSM-GPRS-433MHz-Antenna-New-UK-seller-0355-/221274751326?pt=UK_Computing_Boosters_Extenders_Antennas&hash=item338500c15e (http://www.ebay.co.uk/itm/SMA-Male-Plug-Right-Angle-10cm-GSM-GPRS-433MHz-Antenna-New-UK-seller-0355-/221274751326?pt=UK_Computing_Boosters_Extenders_Antennas&hash=item338500c15e)
Cheers
This just looks like a 433 whip antenna, I've got a few, they work OK, just heavy compared to a light weight FPV style monopole.
GPRS/GSM is up towards 900mhz, I guess that would make his a half wave GSM antenna.