Pacemakers

Pacemaker manufacturers recommend that a minimum separation of 6 inches (20 cm) should be maintained between a handheld wireless phone and a pacemaker to avoid potential interference with the pacemaker. These recommendations are consistent with the independent research by and recommendations of Wireless Technology Research. Persons with pacemakers:

•Should always keep the phone more than 6 inches (20 cm) from their pacemakers when the phone is switched on.

•Should not carry the phone in a breast pocket.

•Should use the ear opposite the pacemaker to minimize the potential for interference.

Caution: If you have any reason to suspect that interference is taking place, switch off your phone immediately.

Hearing aids

Some digital wireless phones could interfere with some hearing aids. In the event of such interference, you might want to consult your service provider.

Other medical devices

Operation of any radio transmitting equipment, including cellular phones, could interfere with the functionality of inadequately protected medical devices. Consult a physician or the manufacturer of the medical device to determine if they are adequately shielded from external RF energy. Also contact these authorities if you have any questions.

Switch off your phone in health care facilities or where any posted regulations instruct you to do so. Hospitals or health care facilities could be using equipment that is sensitive to external RF energy.

18 Vehicles

RF signals could improperly affect installed or inadequately shielded electronic systems in motor vehicles. These could include electronic fuel injection systems, electronic anti-skid (anti-lock) braking systems, electronic speed control systems, or air bag systems.

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3390 specifications

The Nokia 3390, introduced in 1999, is a classic mobile phone that symbolizes the peak of the early mobile phone era. It took the market by storm with its robust design and a range of appealing features. As part of the Nokia 3300 series, the 3390 was designed with a focus on durability and user-friendliness, which made it a favorite among consumers during its time.

One of the standout characteristics of the Nokia 3390 is its compact and lightweight design. Weighing just 133 grams, it easily fit into pockets and purses, making it extremely portable. Its dimensions of 113 x 48 x 22 mm offered a comfortable hold and an ergonomic feel. The device was known for its resilience, featuring a strong plastic casing that could withstand everyday wear and tear.

The Nokia 3390 featured a monochrome LCD display with a resolution of 48 x 84 pixels. While this may seem primitive by today’s standards, it was perfectly suitable at the time for displaying text messages and simple menus. It also supported a variety of customizable wallpapers and ringtones, allowing users to personalize their phones to match their style.

One of the key technologies integrated into the 3390 was its GSM connectivity, which enabled users to make and receive calls and send SMS texts with ease. The model was equipped with a long-lasting battery, offering up to 5 hours of talk time and 300 hours of standby time, making it an excellent choice for on-the-go communication.

In terms of functionality, the Nokia 3390 came with several built-in features such as the iconic Snake game, which captured the attention of millions and became a cultural phenomenon. Additionally, the phone supported messaging functions, including SMS, enabling users to communicate rapidly and conveniently.

The user interface was straightforward, characterized by Nokia's signature four-way navigation key, which simplified browsing through menus and settings. Additionally, the 3390 featured a remarkable ringtone composer, allowing users to create custom ringtones, enhancing the personalization aspect of the device.

Overall, the Nokia 3390 represents a significant chapter in mobile phone history. Its combination of durable design, user-friendly features, and impressive battery life made it a beloved choice for many, paving the way for future mobile innovations while remaining a nostalgic symbol for mobile enthusiasts.
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