TrueNorth Avionics has introduced a plug-in hardware module that lets owners of several brands of airborne telephone use their personal smartphones to send and receive e-mails worldwide over the Iridium satcom network. Compatible with the single-channel Aircell ST3100 and multichannel Aircell Axxess systems, as well as phones from ICG and EMS Aviation, the TrueNorth Express unit supports any Wi-Fi-enabled smartphone, including the BlackBerry, iPhone and Android. The introductory price is $10,995. TrueNorth Express modules are available through TrueNorth or its exclusive North American distributor, Dallas Avionics.