The OMB.915.B03F21 is a fiberglass omnidirectional outdoor antenna, operating in the 902-915MHz ISM band, is designed to offer long-distance coverage. The antenna is designed for applications such as metering, industrial/environmental monitoring, remote asset monitoring, and mesh network applications. The OMB.915 operates at 915MHz, one of the most widely used license-free ISM bands, with a 3.5dBi peak gain.

The omnidirectional antenna radiates uniformly in the azimuth. This collinear design characteristic provides the best performance, giving optimized coverage and therefore longer range in the horizontal plane over 360 degrees, thus minimizing the number of nodes needed for a mesh network. The UV resistant fiberglass housing enables the OMB antenna to be utilized in all kinds of harsh environments, making it more robust and safer than traditional whip antennas. It can be connected directly to the access point or telemetry unit or can be mounted on the wall or device surface via the N-type connector.