Feature Gigaset Repeater V Gigaset Repeater IV  Calls Narrow band 2 2 Calls Wide band 2 - Chaining No No Number Repeaters Max. 6 (N510) / 2 (N300) 6 Multicell support No No Cat-iq 1.0 Yes No Cat-iq 2.0 No No Easy setup Yes - Encryption Yes No ECO - - LEDs 2 2 Keys 1 1 Indoor Yes Yes Outdoor Only with housing Only with housing Max. Temperature 45 45 External Antenna No No