L22 WiFi+4G GSM Wireless Wired Home Security Alarm System+Alexa+Google+TUYA APP
Specifications
| Brand | KEEPWORLD |
| Model | 4G-TUYA-108A |
| Type | Multiple Room System |
| Operating Sound Rating | 110 dB |
| Custom Bundle | Yes |
| Applicable Regions | All Countries |
| Wireless Frequency | 433MHz |
| WIFI | Support(2.4G WIFI) |
| Location | Indoor Only |
| Smart Home Protocol | Wi-Fi |
| Battery Included | Yes |
| Compatible With | Android, iOS |
The advantage of 4G alarm system. Following the official closure announcement of 2G networks in United States, Canada, Mexico, Australia, Euro Union, etc. Worldwide cellular mobile network prvoides are considering ceasing 2G service with in-progress plans in coming years. Without 2G networks, 2G/GSM only alarm system will fail to achieve it's major function, remote control through calls and SMS. To provide customers with longer alarm system lifespan, our company is launching a series of it's 4G alarm system which are both 4G/3G/2G(GSM) Network compatible. Applicable Area US 4G alarm system work on United States, Canada, Mexico.(If use in USA, suggest use AT&T, T-mobile 4G Sim card). Euro 4G alarm system work on Euro Union, United Kingdom and other EU countries, Africa, Asia.