With the Jelcer technique, it is easy to provide fast internet in remote villages and where it is impractical or uneconomical. Besides that it is possible to allow fast internet excess to: residences, power plants and GSM masts to be connected to a fiber optic network. Ultimately, the technique has been developed to make profitable unprofitable connections. Jelcer not only makes use of the sewer system. The technique is also suitable for connecting to bridge large distances from the waterworks or companies. Finally, it is easy for sewer operators to take measurements (heat, chemicals) into the existing infrastructure.