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Answer: 1.9 GHz is different in Europe so cannot use the US Transceivers, the beltpacks gets its settings from the transceiver so suggest acquiring or renting EU transceivers to use 1.9 GHz . And and use your existing base and beltpacks.
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Suggest using the EU transceivers to guarantee they work where ,
With 2.4 Ghz might be as you never know what you’re going to run into at each being a more busy RF spectrum might run into more 2.4Ghz systems in the same venue with Wi-Fi and other devices including cell phones.
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