Infographic: How Blackfoot Designs Point-to-Point RF
Blackfoot's wireless network is designed as an enterprise-class solution. We engineer every link to 99.999% reliability or greater, exceeding industry standards.
Our wireless services are designed to operate in all climates and seasons. Wireless systems work on shared radio frequencies, which means interference like weather can impact bandwidth. Therefore, we specifically design for all weather conditions. Signal loss due to weather is calculated off of the Crane rain rate model, which lists Montana as 19 mm/hr. However, the Crane model often does not account for cloud bursts, rain events and heavy spring/fall snows. We work and live in Montana, which means we have a better understanding of the climate. So, when factoring in the weather we design our links at a higher model rate of 37 mm/hr.
Blackfoot engineers all of our wireless PTP links utilizing wireless propagation software to ensure both link performance and reliability. Generally, links are designed with a >25 dB fade margin to ensure operation even during signal fade. In addition, each path is verified against topological data, weather models and any physical obstructions identified during the Line of Sight (LOS).
We perform a pre-sale LOS for every wireless link. Blackfoot technicians collect all of the necessary information about the link and site, including:
- Physically verifying the LOS to the tower site.
- Identifying the required mounting location and mount type.
- Identifying the cable path and cable entry point at the customer premise.
- Verifying indoor equipment mounting, power and grounding.
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