The SpacePort Modem (SPM) is a low cost highly integrated OEM bi-directional wireless interface module. The SPM is designed as an OEM product that can be easily incorporated into new and existing designs. The SPM uses addressable data packets with error checking, packet acknowledgements and retransmissions to achieve a reliable invisible wireless data link. Built for ease of use and rapid installation, the serial interface ensures direct connection to microprocessors and microcontrollers while remote configuration enables post installation setup of the modem.