The TALKSIM USA Unlimited Data Only SIM Card is a versatile prepaid solution designed for IoT devices like security cameras, routers, mobile hotspots, and GPS trackers. With its compatibility across AT&T and T-Mobile networks, this SIM card ensures seamless connectivity for your devices.

One of the standout features is its automatic carrier selection, which optimizes network performance by choosing between AT&T and T-Mobile based on signal strength. This ensures stable internet access, even in areas with fluctuating 5G coverage. However, some users reported occasional connectivity issues, particularly with T-Mobile networks in weaker signal areas.

The SIM card includes 10GB of high-speed data for 30 days, making it an excellent trial option. Beyond the trial period, users can opt for flexible data plans without hidden fees or contracts. While the initial setup is straightforward—requiring APN configuration and device restart—some users faced challenges with prolonged connectivity drops after initial use.

Compatibility is a strong suit here. The SIM card works with a wide range of unlocked 4G/5G devices, including tablets, smartwatches, and GPS trackers. It’s pre-cut into Nano and Standard sizes for convenience.

Overall, the TALKSIM SIM Card is a solid choice for those seeking a no-frills data-only solution. While it may not be perfect in every scenario, its affordability and flexibility make it worth considering for IoT applications.