Antennas are essential components in IoT and M2M systems, enabling strong, stable, and efficient wireless communication across various networks. Whether for cellular (GSM), navigation (GNSS), WiFi, or advanced MIMO technology, antennas ensure reliable signal transmission for seamless data exchange. GSM antennas are widely used in smart meters, remote monitoring, and industrial IoT, while GNSS antennas provide precise location tracking for fleet management, drones, and autonomous vehicles. WiFi antennas enhance wireless connectivity in smart homes, offices, and public infrastructure, and MIMO antennas boost signal strength and speed for high-performance 4G/5G applications. Combination antennas integrate multiple technologies into one unit, making them ideal for multifunctional IoT devices that require connectivity across different networks.