inputs.text: bit disappointment - vertex vxa 220 bit lehemon time performance got worse worse no amount shielding ignition interference causing devices seehems work gets near aircraft engine running squelch locks open goes silent reset default settings work soon falls fiddly use way many toy functions anl noise limiting function not seehem help custom built antenna improved reception transmit always dodgy manufacturer not appear help desk allin unfortunate experience blighted enjoyment flying aircraft used hopefully experience not representative looks good lot good reviews net