The Dialogic Brooktrout TruFax 450E Intelligent Fax Board is engineered for ISDN environments, supporting ITU - T standards T.30, V.29, V.17, and V.27. This PCI Express x1 board provides four fax channels, making it ideal for small businesses and departmental workgroups that require dependable fax solutions. With a processor speed of 200 MHz and a robust design, it ensures enterprise - level quality and performance. The board is compliant with RoHS standards, emphasizing its environmentally friendly design. Backed by a 5 - year limited warranty, the TruFax 450E is a reliable choice for organizations looking to enhance their fax capabilities.