Nubia Technology WK220S 2.4G Wireless Keyboard User Manual
- June 6, 2024
- Nubia Technology
Table of Contents
USER MANUAL
User Manual VER: 1.0
PRODUCT NAME: 2.4G Wireless Keyboard and dongle combo
MODEL NO.: WK220S (Keyboard), WR220S (dongle)
VERSION: 1.0
DATE: 2022.1.10
| Version. # | Revised Date | PIC | Remark |
|---|---|---|---|
| 0.1 | 10/1/2022 | Bob | Preliminary |
Electrical Specification
-
Operating Voltage
keyboard supply voltage: 1.5V (1AA battery) -
Current Consumption
Keyboard Current use :<5mA
Dongle Current use < 35mA -
Sleep Mode
3.1 Electrical Current: 0.1mA;
3.2 Wake Up: Press any button -
LED Indicating Functions
When the battery power is low (battery voltage reduce to <1.1V) the LED will glisten at the frequency of 1Hz -
Wireless specifications
keyboard&Dongle: 2.408-2.474GHz frequency coverage.
GFSK RF transceiver High Speed RF link data rate Max. 1M bit/s
Operation Process
Step 1
Open the battery cover which in the back of the Keyboard. Insert 1AA battery
which is environment-friendly and safety Close the battery cover.
Step 2
Insert Dongle in a USB port of PC. The Transceiver is pairing with the
Keyboard
Step3
Use the Keyboard freely.
FCC Caution.
§ 15.19 Labelling requirements.
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.
§ 15.21 Information to user.
Any Changes or modifications not expressly approved by the party responsible
for compliance could void the user’s authority to operate the equipment.
§ 15.105 Information to the user.
Note: 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 or more 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.
-
RF warning for Portable device: The device has been evaluated to meet general RF exposure requirement.
The device can be used in portable exposure condition without restriction.