The 50PA-979 from JFW Industries is a Handover Test System with AC Supply Voltage 100-240 VAC @ 47-63 Hz, Attenuation 0 to 95 dB, Frequency 698 to 3000 MHz, Input Power 30 dBm, Insertion Loss 29 to 34 dB. Tags: Rack Mount, Full Fan Out. More details for 50PA-979 can be seen below.