TLF Series Products TLF40 2.92mm (40 GHz) Top Launch Connectors Top RF Launch to 40 GHz Compression contact No soldering required Transitions to a microstrip or grounded coplanar lines on the top layer of the board TLF50 2.40mm (50GHz) Top Launch Connectors Top RF Launch to 50 GHz Compression contact No soldering required Transitions to a microstrip or grounded coplanar lines on the top layer of the board