The AT-BBLF-0043-2720C from AT Microwave is a Broadband Optical Modulator Driver Amplifier that operates from 50 kHz to 43 GHz. It provides an output power of 20 dBm with a small signal gain of 27 dB and has a noise figure of 6 dB. The amplifier requires a DC supply of 8-12 V and draws up to 430 mA of current. It has a high gain, high linearity, low input/output return loss, and flat gain response. The amplifier is available in a module that measures 59 x 30 x 9.5 mm with 2.92 mm Female and Male connectors and is ideal for 5G communications, test equipment, RF over fiber, and radar communications applications.