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![All electronic devices have become small in size, but the walkie-talkie size is almost the same for the last 40 years, why? - Quora All electronic devices have become small in size, but the walkie-talkie size is almost the same for the last 40 years, why? - Quora](https://qph.cf2.quoracdn.net/main-qimg-e0c78780f8eb9155edc43b3880c5512e.webp)