Zephyr Xport is a portable broadcast codec that allows use of an ordinary analog telephone line in the field to connect with the Zephyr Xstream ISDN codec at your studio. Your remote site has ISDN? Great! Zephyr Xport connects to ISDN phone lines as well. No matter which connection you use, you'll get great-sounding remotes using the highest fidelity low-bitrate coding available: AAC plus (MPEG AAC + Spectral Band Replication enhancement) Or, choose AAC-LD coding for exceptional quality with amazingly low delay. Features include a mixer with mic and line inputs, an internal power supply and selectable DSP processing by Omnia. The built-in ISDN interface has an internal NT-1 for use worldwide.