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How to Make Wireless Walkie Talkie Using Arduino at Home / 1.5 K.M Range / Optional range 15 km - YouTube
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50 Pcs Arduino Uno Nicerf Walkie Talkie Module Sa828-u In 400-480mhz Walkie Talkie Module Uhf With Antenna 134-174mhz Vhf - Replacement Parts - AliExpress
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