The 50AA-091 from JFW Industries is a Handover Test System with Attenuation 0 to 100 dB, Frequency 800 to 2700 MHz, Input Power 1 W, Insertion Loss 7.2 to 9.5 dB, Isolation 20 to 24 dB. Tags: Benchtop, Manual. More details for 50AA-091 can be seen below.