This optional unit is suited for the fixed gamma monitoring stations used for environmental monitoring. When the GAMON-S or GAMON-D is installed on a fixed stainless steel stand mounted on the ground or a wall some optionals can be included.The power supply can be provided by 110/230 V or solar panel. Several option of UPS batteries allows for uninterrupted operation (6h, 24h, 48h, 72h). In addition to the ethernet connection, optional communication interfaces can be added: (Wi-Fi, cellular (LTE), etc.) Everything is installed in a stainless steel electrical cabinet including electrical protection. The robust stainless steel allow for installation in outdoor harsh environments ensuring a long life time of the system.