1.100% Brand New, High Quality

2.DB9 Null Modem Male to DB9 Null Modem Male Connector

3.Null modems are used to connect two computers or other devices together to achieve file transfer.

4.Null modem connectors are different from straight through connectors because the receive and transmit conductors are crossed.

5.This is a miniature null modem with male connectors on each side.