40dBm dual band repeater Devices that make up 40dBm dual band repeater are ferrites, PIN tubes, FeTs, or BJTS. Ferrite and PIN are classic switching devices. The performance of the two devices is compared. Ferrite is characterized by high power and low loss, while PIN is characterized by high speed and low cost. Fets or BJTS have gain and have become the main devices of low and medium power...