The 2502B from Giga-tronics is a Signal Generator with Frequency 100 KHz to 2.5 GHz, Output Power 13 dBm, Phase Noise -77dBc at 100 Hz -96dBc at 1KHz -109 dBc at 10 kHz. Tags: Analog Signal Generator, RF Signal Source. More details for 2502B can be seen below.