# C-Netz - Radio Telephone Network C C-Netz was a [[1G - Analog cellular telephony|1G]] system doployed and operated in Germany by [[DeTeMobil]]. ## C-450 standard C-Netz use the C-450 standard, originally developed by [[Siemens AG]] and was the third and last update of a series of [[1G - Analog cellular telephony|1G]] systems used primarily within Germany, superseding the [[B-Netz]] and the [[A-Netz]] before it. It has been decommissioned, replaced by both the newer [[D-Netz]] and [[E-Netz]] systems, both based on [[GSM - Global System for Mobile communication|GSM]] standards (which are digital) and operating on 900 MHz and 1800 MHz bands respectively.