A testing bench can be used while testing wireless telecommunications devices. In some examples, the testing bench includes a first surface and a second surface that houses a patch panel, a combiner, and/or an attenuator. The testing bench can be located in a shielded enclosure with at least two conductive radio frequencies (RF) shield layers separated by an insulator material. In some examples, the testing bench may receive a radio signal from a radio source located outside of the shielded enclosure and provide the radio signal to a wireless (UE) device under testing via the patch panel, the combiner and/or the attenuator.