Hesse said Sprint management is discussing whether to release the carrier's 4G subscriber numbers. "There's one real good surrogate," he said. "Take a look at Clearwire. When they talk about their number of 4G subscribers, the lion's share of that is Sprint. We may or may not break out 4G, or what we call dual-mode numbers." During the first quarter Clearwire added 283,000 net new subscribers, including 172,000 retail additions and 111,000 wholesale additions. Read more: Sprint may break out 4G subscriber numbers - FierceWireless Sprint may break out 4G subscriber numbers - FierceWireless Still seems low to me.