TERNWAVES demonstrated instant bi-directional Direct-to-Device (D2D) messaging services based on its Golden Modulation™ end-to-end technology operating over widely available Ku-band geostationary satellites. On the terminal side, the service has been demonstrated with messages transmitted and received to/from space via a 3cm sphere antenna and various terminal transmit powers down to 1.9 milliwatts (2.8 dBm). Additionally the possibility to further reduce antenna size down to a tiny 1cm patch antenna while still delivering the messaging services has also been demonstrated. 3cm sphere antenna...