Graupner-8-channel-receiver-GR-16-Ho TT2-4-GHz-FHSS-Graupner-33508-P-The-GR-16-receiver-from-Graupner-can-control-up-to-8-servos-P-P-With-Ho TT-2-4-GHz-technology-the-receiver-obtains-a-new-high-frequency-hopping-telemetry-transmission-unit-with-latest-components-&-advanced-software-while-the-hardware-antenna-diversity-switches-for-reception-of-yet-better-antenna-signal-&-is-used-for-transmitting-to-the-antenna-that-was-last-used-for-reception-This-ensures-that-the-reverse-channel-d