Dish Network might not start up its LTE-based 4G network until as late as 2016, but that hasn't stopped MetroPCS and T-Mobile from jointly telling the FCC that the would-be carrier needs to make some concessions for small carriers to rest easy. Both of the complaints have a common proposal that would see Dish give up 20MHz of its 40MHz space in the 2GHz range to prevent the satellite giant from using its abundant airwaves as part of a cash grab: MetroPCS and T-Mobile are worried Dish will just try for a "windfall" and sell the spectrum it doesn't need to AT&T or Verizon. While it's not asking for a se
