FrSky 2.4GHz Infinity 24 Directional Antenna for Tx transmitter and Module RC FPV Racing drone|Parts & Accessories| - AliExpress
2.4GHz Dipole 11dB Antenna - Detachable Base | Jaycar Electronics
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TNP 10 dBi WiFi Antenna - 2.4 GHz Antenna Network Compact Omni Directional RP SMA Connector for PC Desktop Computer Wi-Fi Router Camera Video Surveillance : Electronics - Amazon.com