Number of supported wireless devices: max. 150 pcs ; Enclosure included; Wireless: 868 MHz ; Operating range in open area: max. 2000 m ; Built-in modules: LAN 10/100Mb, Wi-Fi 2.4 GHz, GSM ( GPRS, 3G, 4G LTE ) ; Main features: Bidirectional communication Two SIM cards support ; Application: Indoor ; Sensor type: Passive Infra Red (PIR) ; Frequency range: 868.0 ... 868.6 MHz ; Radio communication range (at open area): max. 1600 m ; Detection range / Detection angle: 12 m / 90 ° ; Pet immunity: ≤ 18 kg ; Backup time: ~ 4 years ;