help with RX 40 mhz ariel

[fil6907]

iam setting my losi 22 up ready to start racing again and iam using my Ko Propo Vantage Esprit II 40 Mhz which ive always used but when lookin at the lenght of the ariel on the rx seems very long can any1 help me with what 40 mhz rx i shold look at buying with shorter ariel thanks