Near Tingiri’s office, Rwanda’s largest telecom company, Rwandatel, is installing new wireless telephony equipment made by Huawei of Shenzen. Africa boasts the world’s fastest-growing market for wireless telephony, and Huawei – with offices in 14 African countries – is running away with the business, sending scores of engineers into the bush to bring a new generation of low-cost technology to some of the planet’s poorest people.