The CelluCORE 20 Dual Sim delivers the established performance and dependability of the original CelluCORE 20, now featuring dual carrier connectivity. With the Dual SIM setup of the CelluCORE 20, it effortlessly connects to either AT&T or Verizon, automatically selecting the strongest cellular network according to your camera's location. No need to consult network strength maps Plus, its enhanced antenna ensures you consistently receive the most powerful cellular signal available.