The Duratime RC100 Master Clock is a high-quality 2.4 GHz network time server designed for reliable time synchronization in a variety of settings. With RAID levels of 10+0, this server offers enhanced performance and redundancy for critical applications. The processor speed of 2.4 GHz ensures fast and efficient operation, making it an ideal choice for enterprise networking needs. The Masterclock brand is known for its expertise in timekeeping technology, making the RC100 a dependable and accurate solution for maintaining precise network time. ITEM IS BRAND NEW OPEN BOX BUT IT IS MISSING THE ANTENNA AND THE INSTRUCTIONS MANUEL . FAST FREE SHIPPING