Można kupić 2 szt. to wychodzi nawet taniej niż było:
https://pl.aliexpress.com/store/product/2pcs-Radioddity-GD-77-Dual-Band-Dual-Time-Slot-Digital-Two-Way-Radio-Walkie-Talkie-Transceiver/1482106_32829991755.html?spm=a2g17.12010108.1000016.1.7ac89a81re6xEC&isOrigTitle=true
https://pl.aliexpress.com/store/product/2pcs-Radioddity-GD-77-Dual-Band-Dual-Time-Slot-Digital-Two-Way-Radio-Walkie-Talkie-Transceiver/1482106_32829991755.html?spm=a2g17.12010108.1000016.1.7ac89a81re6xEC&isOrigTitle=true
Piotr SP2SWR