Freitag, 24. Oktober 2014

Which one is better? ImmersionRC Duo5800 vs Black Pearl Video Diversity receiver comparison

In this comparison video I wanted to find out if the Black Pearl (all in one - Display with diversityRX) is compareable to the dedicated ImmersionRC Duo5800 receiver. On paper they both have 90dbi sensitivity. See in the second part how they look in comparison. For my test setup I seperated video TX and RX with a few thick walls at home.
Also I measured all my antennas with the ImmersionRC RF Powermeter. You see the values at 2:24.
The normal ones were affected by alignment (horz vs vert) and the SPW ones were "immune" to different alignment - as expected. The directional antennas had great antenna-gain in the cone and somewhat less optimal outside of it.
Btw. you can also measure the mW of your video TX. You plug a 30dB attenuator in between and set it in the powermeter. Great to measure the advertised milliwats vs the real output!
Sorry for this not being super scientific but it gives you an idea of the image quality.
EQUIPMENT as seen in the video:
Circular-Wireless.com Antennas
5.8 SPW Antenna    5.8 Helical Antenna
...more in my "Hangar"
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