Tips for your Comfort and Safety, Frequency Range

About Your Phone

feature disables the handset keypad and prevents the accidental dialing of numbers that may result in nuisance calls. It also prevents accidental calls to emergency services numbers like 911, 999, or 112.

To disable the key lock feature, press the key and then press Select.

Currently, mobile IP phones do not support Enhanced 911 (E911) operation. If emergency services are required, it is necessary to keep the system administrator and location database up-to-date.

Tips for your Comfort and Safety

Don't cradle the handset!

Prolonged use of the handset can lead to neck, shoulder, or back discomfort, especially if you cradle the handset between your ear and shoulder. If you use your phone a lot, you may find it more comfortable to use a headset. See the section on headset use for more information.

Protect your hearing

Your phone has a control for adjusting the volume of the handset receiver or headset. Because continuous exposure to loud sounds can contribute to hearing loss, keep the volume at a moderate level.

Frequency Range

The handset is a radio transmitter and receiver. When it is on, it receives and sends out radio frequency (RF) energy. The handset operates on different frequency ranges depending on market and employs commonly used modulation techniques:

EU	1880-1900 MHz

USA/CAN	1920-1930 MHz

LA	1910-1930 MHz

BR	1910-1920 MHz

--1900-1920 MHz

Exposure to Radio Frequency Signals

This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This device complies with FCC SAR limit of 1.6 W/kg. The maximum SAR value measured when used at the ear, and when worn on the body using belt clip is as follows:

	SAR values

Head	0.043 W/Kg

Body worn	0.037 W/Kg

5603 specifications

The Mitel 5603 is a versatile and feature-rich desk phone designed for professional environments where effective communication is paramount. With its modern design and robust functionalities, the phone caters to the needs of businesses of all sizes, making it a popular choice for organizations looking to enhance communication efficiency.

One of the standout features of the Mitel 5603 is its high-definition audio quality. Utilizing wideband audio technology, the phone delivers crystal-clear sound that significantly improves the clarity of conversations. This feature is essential in busy office environments, where background noise can often interfere with communication. The wideband capabilities ensure that every word is heard, making it easier for employees to collaborate and engage with clients.

The Mitel 5603 also boasts a user-friendly interface, equipped with a large, backlit display that presents information clearly, even in low-light conditions. This makes it easy for users to navigate menus and access various features swiftly. The phone supports multiple programmable keys, allowing users to customize their experience by assigning frequently used functions or contacts for quick access. The intuitive layout and customizable settings aid in boosting productivity among staff.

Supporting both VoIP and traditional telephony, the Mitel 5603 offers flexibility in terms of deployment and integration with existing communication systems. Its compatibility with various Mitel solutions ensures seamless integration with unified communications, enhancing collaboration tools that many businesses rely on today.

Additionally, the phone is equipped with multiple connectivity options, including Ethernet ports that enable simple network integration. The Mitel 5603 supports Power over Ethernet (PoE), which allows the device to receive power and data through a single cable, simplifying installation and reducing clutter.

The Mitel 5603 is optimized for mobility as well. With built-in Bluetooth technology, users can connect their smartphones for hands-free calling or sync their contacts effortlessly. This feature is particularly beneficial for employees who frequently transition between their desk phones and mobile devices.

In summary, the Mitel 5603 is an advanced desk phone that merges quality audio performance with modern features. Its wideband audio, intuitive interface, customizable keys, flexibility for various telephony systems, and Bluetooth connectivity make it an excellent choice for businesses seeking a reliable communication solution to enhance productivity and collaboration among teams.

Mitel 5603 Tips for your Comfort and Safety, Frequency Range, Exposure to Radio Frequency Signals

Models: 5603