The New PRO version is a improved version of the V4, where running temperature, design, quality and optimization have been the main focus 

The receiver board is 32 x 54mm, weight: 10.5 gr. Receiver 12ch, optimized input filter so it can co-exist with strong 2.4Ghz on board video transmitters. Wire antenna mounted directly on the RX. 

RX Long Range Diversity: Improved input filter, now even better attenuation for 900 - 1300 - 2400 video transmitters, virtually impossible to jam. 

Here is the NEW PA Booster version 5 PRO, again like on the TX, running temperature, materials, and improved design has been the main goal of the new improved version. The black anodizing protects the aluminum for oxidization, higher strength and ... 

Antenna for Scherrer Long Range Receiver.