Quantic PMI Model 5BRF-781M2600M-NFF is a 5 Channel Switched Band-Reject Filter Assembly designed to reject unwanted signals when performing various measurements. The selectable band reject frequencies are 0.791 to 82 GHz (LTE), 925.2-960MHz (GSM-UMTS), 1.81 to 1.88 GHz (UMTS) and 2.55 to 2.6 GHz (LTE). The switching is done via TTL control, and the unit operates on +5 & +12 VDC. Package size is 16.0" x 8.5" x 2.25" with 15 Pin Micro-D connector for power/control with Type N female connectors.