Why does goTenna have limited range in open spaces?

Line-of-Sight Limitations

goTenna’s mesh network operates on the 900 MHz frequency band, using a proprietary technology that enables communication between devices up to 12 miles (19 km) in range. However, in open spaces, the signal has difficulty finding a direct path to the receiving device, leading to weakened signal strength and reduced range. This is because mesh networks rely on multiple hops to maintain communication, and in open areas, there are fewer obstacles to create a stable signal path.

Antenna Gain and Directionality

The goTenna’s directional antenna is designed to optimize signal reception and transmission, but in open spaces, the lack of obstacles can actually work against it. When a device is broadcasting a signal in an open area, the signal is dispersed in all directions, reducing its strength and making it more susceptible to interference from other devices or sources. To mitigate this issue, users can adjust the antenna’s direction to better match the direction of the target device, but this may not always be possible.

Terrain and Obstacles

In open spaces, the lack of terrain features or obstacles can make it difficult for the goTenna signal to find a stable path to the receiving device. This is because mesh networks rely on the presence of obstacles to create a stable signal path – the more obstacles, the more opportunities for the signal to bounce and find its way to the target device. In areas with dense vegetation, buildings, or other features, the goTenna signal can more easily find a stable path and maintain communication over longer distances.