Siemens AL21 Connectivity and Networking

Connectivity and Networking

The Siemens AL21 is built for GSM networks, supporting 2G bands including GSM 900 / 1800 / 1900, with an alternative for the US market that includes GSM 850 / 1800 / 1900 bands. This ensures a decent level of compatibility for basic voice communications across different regions. However, it lacks advanced connectivity features such as GPRS Class 8, EDGE, WLAN, Bluetooth, and positioning capabilities, underlining its focus on essential phone services rather than multitasking or internet connectivity.