Etherstack is a provider of wireless communications software for the Professional/Land Mobile Radio and defense industries in Europe, Asia, and North America. Their products encompass wireless protocol stacks, IP-based communication networks, cryptographic communications, Software Defined Radio, and Software Communications Architecture compatible waveforms. Etherstack develops and licences wireless technology to third party vendors in Europe, the United States, Canada, Japan, Korea, Australia and New Zealand and is a licensor of standards-based APCO P25, DMR, TETRA and NATO technology for emergency and defence communications. Etherstack’s subsidiary Auria Wireless uses Etherstack technology to deliver fixed and deployable secure, standards-based mission critical communications systems via VHF, UHF, LTE, and satellite. Etherstack’s technology includes waveform software and modules, SDR and radio transceiver hardware, AES256 cryptographic and key management solutions, real time MANET networking software, centralised PTT voice and data networking software, critical applications, and gateways for integration of end-to-end services over radio, C2, 3GPP MCx, LTE and satellite. Wikipedia