Z-Communications, Inc. is a world leader in the design and development of surface mount voltage controlled oscillator (VCO) modules & phase lock loop (PLL) frequency synthesizers for the Microwave/RF wireless market. With over 1,000 products available, these signal source solutions currently operate in the frequency range of 40 MHz to 15 GHz. PLLs are available in integer-N, fractional-N and fixed frequency (pre-programmed) models. From narrow band to octave tuning bandwidths our VCOs and PLLs can be tailored to address any specification with the highest performance available.