Logitech MK320 User manual

Y-R0009

Federal Communication Commission Interference Statement

This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are

designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate

radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications.

However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or

television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one of the

following measures:

- Reorient or relocate the receiving antenna.

- Increase the separation between the equipment and receiver.

- Connect the equipment into an outlet on a circuit different from that

to which the receiver is connected.

- Consult the dealer or an experienced radio/TV technician for help.

FCC Caution: Any changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to

operate this equipment.

This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful

interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.

Industry Canada Statement

This device complies with RSS-210 of the Industry Canada Rules. Operation is subject to the following two conditions:

1) this device may not cause interference and

2) this device must accept any interference, including interference that may cause undesired operation of the device

Product Specification

Product Name：2.4GHz Cordless keyboard

Model Name：Y-R0009

Brand Name：Logitech

Antenna Internal

Type of Antenna (Loop....) PCB printed

antenna gain 0.45dBi

Method of Frequency generation 16 MHz Crystal + PLL

Number of channels 12

Carrier frequencies

Index RF channel Index RF channel

1 2405(0x05) 7 2441 (0x29)

2 2408 (0x08) 8 2444 (0x2C)

3 2414 (0x0E) 9 2462 (0x3E)

4 2417 (0x11) 10 2465 (0x41)

5 2432 (0x20) 11 2471 (0x47)

6 2435 (0x23) 12 2474 (0x4A)

20dB channel bandwidth (Carson's rule) for modulated

carrier 2 MHz @ -20 dBm

Channel switching frequency range 2405 MHz - 2474 MHz

Modulation characteristics Digital GFSK

Transmitter aggregate data rate 2Mbits/s per second

Effective radiated power 0 dBi

If intermittent duty duty cycle:

Tx on = 0.08 ms

Tx off = 7.92 ms

Duty cycle (Tx on / (Tx on + Tx off)) = 1%

Transmission range 100m max in free space

Method of Frequency generation 16 MHz Crystal + PLL

Range 100m in free space

Power source AA Alkaline battery

Power consumption 10mW typical (typing)

Nominal DC voltage 3V

Operating voltage 2.1V 3.2V

Extreme test voltage (low) 2.1V

Applies cut off voltage (automatic switch off) 2.1V typ

DC maximum current 30 mA worst case

Extreme Temperature range 0 °C to 40°C

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