RF-Elements TP-ADAPTOR-RB-S, The TwistPort Adaptor for MikroTik RouterBoardTM RB92x, RB91x, RB71x and RB41x. makes the Rocket RouterBoard compatible with all TwistPort Antennas. TwistPort Adaptors are equipped with our original quick locking waveguide port. Connecting and disconnecting the RouterBoard into the TwistPort Adaptor is very simple and requires no tools. Više informacija na linku