That hobby shop is not only wrong but should hold no further creditbility with you. Its irresponsible acts like that telling the customers what they want to hear contrary to federal regulation that puts our free and unlisensed use of all the bands avaliable to us at risk. It has nothing to do with whether or not it just works in your radio but has everything to do with the posibility of us stepping on the toes of 'Paid up to six figures' primary users interspersed beween each of the 72 Mhz hobby channels and we are lowly secondary users which means quite simply if we are a problem to primary user we are 'out of there' according to FCC protocol.

Your Tx is a module type. They were developed precisely for this reason to allow very simple tx frequency changes by replacing the single frequency module with one of another frequency or a synth type. This requires no tuning. Its a no brainer do the right thing purchase a module on your desired freqency.

Don't become the known crystal swapper at you field, the one who will always be suspect because he insist on flying a Dirty Tx.

John