TRENDnet´s TFM-560X is the latest in communication innovation. The TFM-560X is V.92 fast 56Kbps voice/fax modem that provides users with the highest possible data communication rates, reliable error-free transmissions, and widespread interoperability with other users. The TFM-560X also supports Group 3 fax send-and-receive functions. Free communication software and serial cable are included with the TFM-560X for quick and easy startup. TRENDnet´s TFM-560X is also compatible with virtually all communication software and capable of utilizing the AT command set. Data, fax and TAM, as the product name says, are what this box is doing for you. Like an old friend, this modem does everything reliable and as fast as it can be. Interface: RS-232 (Serial Port) Cable Interface: 2 x RJ11 ports Standards: V.92 56 Kbps ITU standard V.90 56 Kbps ITU standard V.34 33.6 Kbps ITU standard V.32bis, V.32, V.22bis, V.23, V.21, Bell 212A, Bell 103 Max Fax Speed: 14.4 kbps Features: ITU-T V.92/V.90 Auto Detection and Auto Rate Adaptive High Speed 56kbps Data Transfer Rate with Maximum Degree of Interoperability V.44 and V.92 Features Support Quick Connect, PCM Upstream and Modem On Hold Robust Hardware Component Supports Software-Only Upgrades Supports High Speed Analog Data and High Speed Fax Fax Transfer Rate up to 14.4 kbps with ITU-T T.31 Fax Standard Compatible with Windows 95/98/ME/NT4/2000/XP/2003/Vista Operating System Supports TAM (Telephone Answering Machine) for Remote Message Retrieval Free Communication Software