Because carriers have figured out how to sell consumers a Femtocell device at the customer's expense, while offloading traffic to wireline transports, thus nega

Because carriers have figured out how to sell consumers a Femtocell device at the customer's expense, while offloading traffic to wireline transports, thus negating the need for network upgrades. AT&T version: http://www.att.com/standalone/3gmicrocell/?fbid=FQSS3QyGy51 http://www.att.com/standalone/3gmicrocell/?fbid=FQSS3QyGy51 Verizon version: http://www.verizonwireless.com/b2c/device/network-extender http://www.verizonwireless.com/b2c/device/network-extender This, and what rayiner said. Cell networks are really difficult.