6.7.5.2 Power considerationsCampbell Scientific recommends using either AC power or a 10-watt solar panel and the PS24power supply. Refer to PS24 24 Ah power supply with 10 x 12 inch enclosure (p. 91) for mountingoptions and information on the PS24.6.7.5.3 AntennaCampbell Scientific recommends the 2 dBd 4G/3G Multiband Omnidirectional Antenna for thecell modem in an ET107 station. This antenna is ideally suited for use with 4G and 3G cellulargateways.NOTE:Mounting hardware that comes in the box with some antennas will not be used. The cellphone kit provides the hardware needed to mount the antenna to the ET107 pole.6.7.5.4 Establishing cellular service and configuring the cellular modemTo use a cellular modem, you must first establish cellular service. The modem then needs to beactivated and programmed for use with Campbell Scientific equipment. Procedures for doingthese tasks are provided in the cellular modem manual.NOTE:Campbell Scientific recommends testing the modem in the office (assuming there is cellularcoverage) prior to installing it in the field.6.7.5.5 Internal installation of the cellular modemNOTE:If the cellular phone accessory kit and cellular modem were ordered with the ET107, skip thissection and go directly to External installation of a cellular modem (p. 54).For installation inside the enclosure, the following components are provided in the cell phoneaccessory kit:(1) mounting bracket(1) null modem cable(1) 10 cm (4 in) Velcro hook—used with the Velcro strap to secure the radio(1) 30 cm (12 in) coaxial cable with SMA-to-BNC connectorsSection 6. Installation 53
