The PRO-OB-572 is an OnBoard NB-IoT antenna designed for compact, surface-mount integration in cellular and IoT devices. It supports dual frequency bands spanning 791–960 MHz and 1710–2170 MHz, covering NB-IoT, LTE, GSM, and UMTS standards with linear polarization and a peak gain of 2.8 dBi. The antenna features a low profile of 10 mm, operates over a temperature range of -40°C to +125°C, and delivers radiation efficiency exceeding 50% across its operating bands. With RoHS compliance, MSL Level 1 rating, and a shelf life of up to 10 years, this antenna is well-suited for automotive, UAV, IoT, industrial, and consumer electronics applications requiring reliable broadband cellular connectivity.