For the most part, marine electronics are waterproof. You can find great deals on waterproof marine items by visiting http://www.bizrate.com/marine-electronics/waterproof-radio/ or even Amazon.com.
Since marine electronics are designed to use in a marine environment, a majority of these devices should be waterproof, or else salt water would easily destroy electronic devices.
Marine electronics are best used for items that would be ruined if used in or near salt water. Marine electronics are almost always waterproof, as well as water resistant.
All of the Uniden Marine Radios are at least waterproof. Some models are even submersible. You can compare the different options at: http://www.uniden.com/marine-electronics/icat/marine_b2c/
A handheld marine radio can communicate no matter what the weather conditions. You can find other watercraft near you and most are waterproof. They can be used to communicate with other boaters.
There are a few sites that offer marine electronics products such as, raymarine, consumersmarine, and marinewholesales. http://www.marinewholesales.com/
The the Garmin GPS 72 is a waterproof marine GPS unit.
Some drones are waterproof, but most drones are not fully waterproof. Most consumer and commercial drones are only water-resistant, meaning they may handle light rain, mist, or moisture for a short time. Heavy rain, water landing, or internal water entry can damage the motors, ESCs, battery, sensors, and electronics. Industrial or military-grade drones can be built with sealed bodies, protected electronics, waterproof connectors, coated PCBs, and IP-rated enclosures. So the answer is: Drones can be waterproof if specially designed for it, but normal drones should not be flown in rain or wet conditions.
Companies like Liquipel (Liquipel.com) have the abilities to make products superhydrophobic (waterproof). The price of this is roughly $60 for a phone.
Amazon and Ali express is the most reliable e-commerce sites to buy cheap and reliable products in electronics?
No most drive cases are not waterproof. There are some available on computers.com that are waterproof.
Pelican makes cases that are waterproof for all types of electronic.
There are a few types of waterproof marine radios. There are radios which are used to communicate in case of emergency or need and there are radios which are used to play local radio stations for listening pleasure. They come in the waterproof variety to ensure proper functionality when out on the water. They are designed to function in wet conditions.