PMI Model Number: PFS-819-10K-EXT10M-5V-SFF is a frequency synthesizer covering the RF range of 8 to 19 GHz. With a nominal output power of +10 dBm. This unit features a 10 kHz step size and utilizes a 10 MHz external reference. The mechanical size is 4.5" x 2.5" x 0.6".