ES450 South American firmware / radio module packages

Hello All,

We have an Airlink ES450 with North American firmware and a Verizon radio module that we would like to take to South America (specifically Argentina) and use with local service providers and SIM cards. In the past, I have switched units from AT&T to Verizon using the packages from the following link:

Is it also possible to switch to a South American company, for example Claro or Movistar? Thanks!