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CC2640 Wireless Serial Port Module High Speed Smaller HM-19 CC2640R2F Module ble4.0 4.2 5.0
Speed: Asynchronous: 3-8K Bytes
Working frequency: 2.4GHz ISM band
Size: 27 * 13 * 2 MM — Ideal for IoT, education, and rapid prototyping. PAN‑India shipping with GST invoice.