This tiny (30x21mm) adapter board converts the 10 pin JST-GH (1.25mm pitch) to the Amphenol RJ45 IP67 connector (MRJR-5381-01). Designed to be used with the X400, JNX33i and other carrier boards. The second 4 pin JST-GH connector expose the 2 LEDs in the RJ45 connector.