Brazil’s MNOs have been working with regulator Anatel and equipment makers such as Nokia and Huawei to boost smart agriculture in a bid to increase yields and cut costs. This is critical for a country where agribusiness accounts for about 26% of GDP and which is also seeking to improve its image as a sustainable producer no longer eating into its Amazonian rainforests. Yet the country’s agricultural sector has been hamstrung by a lack of wireless connectivity, unless we count GPS, with only 19% of farmland able to access 4G or 5G. There are those low bit rate LPWAN protocols that do not require 4G or 5G, such as the cellular NB-IoT and unlicensed non-cellular LoRaWAN and Sigfox protocols. These…