FrSky Tandem X18S Dual Band Transmitter - DiscontinuedWhen you are investing in a new radio and considering what requirements are important to you, if weight and comfort are primary considerations, followed by the benefit of the excellent system features of ETHOS, then the FrSky Tandem X18 radio is an obvious appropriate choice. The Tandem X18 series dual band telemetry radios benefit from an enhanced ergonomic design with rounded and more comfortable hand grips, along with an improved case design to