The Keenetic ROAMER 4G modem is a wireless device designed to provide stable and fast mobile connectivity with support for 4G and 3G networks, ideal for environments where fixed connections are unavailable or insufficient. This model features a nano-SIM card slot compatible with multiple LTE bands (FDD-LTE B1/B3/B7/B8/B20) and HSPA+/WCDMA networks, allowing maximum speeds of up to 150 Mbps under category 4, ensuring smooth browsing, streaming, and video calls. Additionally, the device operates on the 2.4 GHz Wi-Fi band with 802.11ax technology, capable of delivering up to 230 Mbit/s wireless performance, supporting advanced security standards such as WPA3 and WPA2 Enterprise, as well as MAC address access control for enhanced protection. Its compact and lightweight design — measuring 108 × 64.2 × 17.3 mm and weighing 138 grams — includes a removable internal rechargeable 3000 mAh battery powered via a USB Type-C port. This wireless modem/router features a convenient 1.77-inch LCD screen to monitor connection and device status, facilitating use and setup. The package includes a USB cable and a quick start guide for easy setup, ideal for users requiring mobility and autonomy in their connection. It also supports wireless networks with advanced encryption to maintain privacy and security during data transmission. The Keenetic ROAMER 4G combines portability, reliable connectivity, and advanced features in a versatile device suited for various scenarios, from travel to temporary setups without fixed internet access. It is a suitable solution for those seeking an efficient, compact device that keeps mobile connection active with quality and modern functions.