Vtech SB67128 User Guide - Page 7

Industry Canada Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference, including interference that may cause undesired operation. The term ''IC:'' before the certification/ registration number only signifies that the Industry Canada technical specifications were met. The Ringer Equivalence Number (REN) for this terminal equipment is 0.1. The REN is an indication of the maximum number of devices allowed to be connected to a telephone interface. The termination on an interface may consist of any combination of devices subject only to the requirement that the sum of the RENs of all the devices does not exceed five. This product meets the applicable Industry Canada technical specifications. This Class B digital apparatus complies with Canadian ICES-003. 7