Dose that mean the  RB911G-5HPnD-QRT-US (USA) and  RB911G-5HPnD-QRT (International) will not work for Larch?

    RB911G-5HPnD-QRT-US (USA) is factory locked for 5170-5250MHz and 5725-5835MHz frequencies. This lock can not be removed.

    RB911G-5HPnD-QRT (International) supports 5150MHz-5875MHz range (Specific frequency range can be limited by country regulations).

https://mikrotik.com/product/RB911G-5HPnD-QRT

73 David WA9ONY