The Surity 3700 provides convenient and powerful protection for sending and receiving fax .

Easy to install, you simply attach the device between your fax machine and the phone jack. Designed to be compatible with all Group 3 fax machines , And they operate in real time, so there's no delay in transmission . Surity 3700 uses a powerful AT&T encryption algorithm. Designed by AT&T engineers for reliable protection .

Item : 2017-------------- U.S $ 1,950.00