Since introducing its first ComBlocks in 2001, ComBlock has made modular electronics boards, FPGA/VHDL/IP cores, and ready-to-use transceivers for rapidly prototyping complex communication equipment. Its portable VHDL source cores and compact commercial off-the-shelf modules cover communication links from LANs over radio-frequency, satellite, wireless, and cable connections. Customers in more than 55 countries have used tens of thousands of its modules and IP cores.