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6669 wireless serial modules products are offered for sale by suppliers on Alibaba.comAbout 23% % of these are other ics, 9%% are other communication & networking product, and 4%% are bluetooth modules. A wide variety of wireless serial modules options are available to you, such as china, guangdong china.You can also choose from bluetooth 5.0, nrf52832 and nrf52840 wireless serial modules,As well as from odm, original manufacturer wireless serial modules,

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