RF-Elements TP-ADAPTOR-RB-S, The TwistPort Shielded Adaptor for MikroTik RouterBoardTM RB92x, RB91x, RB71x and RB41x. makes the Rocket RouterBoard compatible with all TwistPort Antennas. Shielded Adaptor for MikroTik RouterBoard is equipped with additional metal cage hidden inside the enclosure to improve the co-location performance and low noise emmission. 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.