Huawei 03030BMY BTS3012 embedded power and signal cabinet Telecom System Card / Module

The 03030BMY (documented board designation GM51DTMUO) is a DTMU board for the Huawei BTS3012 base station’s embedded power and signal cabinet, confirmed via independent Huawei equipment reseller listings referencing the same material code and board designation together. DTMU-family boards in Huawei’s BTS3012/embedded power ecosystem typically handle transmission and monitoring interface functions within the cabinet, working alongside the GM51-family connection and monitoring cards documented elsewhere in this same equipment range. As with other cabinet interface boards in this family, the specific internal signal path of the DTMU is not independently documented beyond its confirmed board designation and platform, so exact function should be confirmed against your site’s technical documentation if precise interface behaviour matters for your application. Operators maintaining legacy BTS3012 GSM sites keep boards like this as spares as the platform ages out of active production. Tech-Star (UK-based, shipped worldwide) supplies this as a tested spare. Get in touch with our team to confirm compatibility before ordering.