Unisat, a pioneering venture in the realm of satellite communication and remote sensing, was envisioned as a global mobile communication network, leveraging satellites to provide direct satellite-to-handset telephony, data, and messaging services. Launched in the 1990s, its constellation of satellites aimed to offer a seamless, high-quality experience to users worldwide, including those in remote and under-served areas. Unisat's technologies paved the way for the modern mobile satellite services we use today, with its innovative I-5 satellite featuring a high-gain antenna that allowed for comparable terrestrial mobile phone signal quality. Although Unisat eventually filed for bankruptcy, its legacy persists in the form of technological advancements and as a lesson in the complex challenges of global satellite network operations. Its history is a testament to the relentless pursuit of connecting the planet, influencing a multitude of subsequent satellite ventures and the evolution of global communication technology.