LANCOM L-54g Wireless - LANCOM L-54ag Wireless - LANCOM L-54 dual Wireless Chapter 7: Options and accessories69EN7 Options and accessoriesYour LANCOM device has numerous extensibilities and the possibility to use abroad choice of LANCOM accessories. You find in this chapter informationabout the available accessories and how to use them with your base station. The range of the base station can be increased by optional antennas ofthe AirLancer series and can be adapted to special conditions of environs. With the LANCOM Public Spot Option option it is possible to extend theLANCOM for additional billing and accounting functions in order toupgrade it to a Wireless Public Spot.7.1 Optional LANCOM WLAN antennasTo increase the range of the LANCOM base station or to adapt the base stationto special conditions of environs, you can connect LANCOM WLAN antennasat the base station. An overview of suitable antennas can be found on theLANCOM web site under www.lancom.eu. For help with calculating the correct antenna setup for externalLANCOM AirLancer Extender antennas or for antennas of other ven-dors, please refer to www.lancom.eu When installing external antennas, ensure that you observe the statu-tory limitations of the country in which the WLAN device is being ope-rated. To help with this, you can enter the transmitting power minusthe cable loss into the LANCOM configuration. These data enableLCOS to automatically calculate the correct transmitting power for theselected country. The employment of the AirLancer Extender SA-5L for internal light-ning protection is essential under all circumstances—theAirLancer Extender SA-5L is always mounted between the AccessPoint and the antenna, preferably as near as possible to the antenna. Antennas are only to be attached or changed when the device isswitched off. Mounting or demounting antennas while the deviceswitched on may cause the destruction of the WLAN module!