Getting started5• USE OF ENHANCEMENTSDepending on the setup, a variety of optional enhancements areavailable to extend your Advanced Car Kit. Before any installation workis started, ask for professional advice on the enhancements that wouldbest suit your needs. Use only approved enhancements. Ensure that onlycompatible products are connected to your Advanced Car Kit.Phone holderA phone holder may be purchased with your car kit or separately as anenhancement.You will need a phone holder designed for a compatible mobile phone ifthe mobile phone is to be connected directly to the handsfree unit usingthe data cable.Antenna couplerAn antenna coupler may be purchased with your car kit or separately asan enhancement.An antenna coupler is required to connect an external antenna. A rangeof antenna couplers are commercially available for the mobile phonesand phone holders on the market. An antenna coupler improves in-vehicle reception of the mobile phone.GSM antennaA compatible GSM antenna enables optimized wireless connections.You may purchase a GSM antenna from an authorized Nokia dealer.If you have installed an external antenna, remember that in order tocomply with RF exposure requirements for mobile transmitting devices,a minimum distance of 7.8 inches must be maintained between theantenna and all persons.CK-7W_ENv1_9230761.book Page 5 Friday, March 26, 2004 11:17 AM