Yes, all four iPhone 12 models support 5G connectivity.
Apple has launched four new iPhone models under the iPhone 12 lineup, including two standard models and two "pro" models. The lineup features various price points, screen sizes and camera options. The standard models include 5.4- and 6.1-inch display options. The Pro line will also include a 6.1-inch model in addition to a larger 6.7-inch model.
Yes, all iPhone 12 models are rated splash, water, and dust resistant to IP68 under IEC standard 60529 (maximum depth of 6 meters up to 30 minutes).
Yes, each of the iPhone 12 models have 4G LTE connectivity in addition to 5G. The iPhone 12 lineup has the most 5G bands of any smartphone.