Lenkeng Technology 17WD388 Wireless Extender User Manual 1
Shenzhen Lenkeng Technology Co., Ltd Wireless Extender 1
User manual
1. Support HDMI1.3, compatible with HDCP1.2.
2. Highest resolution up to 1080p full HD.
3. Strong anti-interference ability by running at 5GHz
operation frequency .
4. Support point to point wireless configuration.
5. Support IR passback with 20-60KHz frequency.
6. 50 meters long range transmission distance.
7. Plug and play, easy installation.
· Package Contents
· Important Safety Notice
· Introduction
· Features
· Installation Requirement
· Panel Description
· Connection
HDMI display
HDMI Extender TX
sender x1pcs
HDMI Extender RX
receiver x1pcs
DC5V/2A power
adapter x1pcs
IR blaster extension
cable x1pcs
IR receiver extension
cable x1pcs
User manual x1pcs
This HDMI wireless extender includes transmitter unit and receiver unit,
allows to transmit and extend HDMI signal up to 50 meters long away
wirelessly, it has strong anti-interference ability by running at 5GHz
operation frequency, and supports point to point connection. IR passback
with 20-60KHz frequency helps to remote control the source device
from the receiver side. It is really a very good solution for meeting,
conference, home entertainment and multi-media education etc.
Note:
1) Transmission distance will be different due to the environment.
2) Wall, brick or glass will shorten the signal cover range or cause big
signal loss.
2. HDMI display device like SDTV, HDTV, and projector with HDMI port.
1. HDMI Extender TX sender
2. HDMI extender RX receiver
Connection instruction:
1) Connect HDMI input to HDMI source device and connect IR blaster
extension cable to IR OUT interface of the sender (TX).
2) Connect HDMI output to HDMI display device and connect IR
receiver extension cable to IR IN interface.
3) Power on the device (power led lights) and it works.
1) When the wireless signal transmits through wall, glass or other
obstacles, it will cause signal loss. Please install this device in
good environment with few obstacles.
2) The external environment wireless signal will affect transmission,
such as micro waver, wireless mouse and keyboard etc.
Note:
Please read below safety instructions carefully before installation and
operation:
1. Please pay attention to all the warnings and hints on this device.
2. Do not expose this unit to rain, moisture and liquid.
3. Do not put any stuff into the device.
4. Do not repaire the device or open the enclosure without professional
person guidence to avoid electronic shock.
5. Make sure good ventilation openings to avoid product overheating
damage.
6. Shut off power and make sure environment is safe before installation.
7. Do not plug-in/out the network cables and IR cables when it is in using
to avoid cables damage.
8. Use DC5V/2A only. Make sure the specification matched if using 3rd party
DC adapters.
IR blaster extension
cable interface
Connect with IR blaster extension cable. Please
put the IR blaster close to source device to best
transmit the IR signal from receiver
Connect with HDMI source device
HDMI input
Connections
indicator
LED indicator keep on when HDMI signal input,
blink when data is transmitted
Connect with USB power cable
Power input
Power indicator LED indicator turn on when power on
Wireless connections
indicator
It’s on when the transmitter and the receiver
connect well with each other, other wise, it’s off
Connect with DC5V/2A power adapter
Power input
USB Cable
x1pcs
【NOTE】This device can be powered from the HDMI source device (which
with USB port) directly. However, when the transmission/connection is not
stable, or the output is not fluent, please connect a 5V plug (with USB port)
to the USB cable for power supply.
Connect with HDMI display device
HDMI output
Data transmission
indicator
Led blinks slowly when it is building connection.
Led blinks fast when it is successfully connected
and transmitting data
Receive wireless signal
Antenna
IR receiver extension
cable interface
Connect with IR receiver extension cable. Please
make sure the remote control is within the required
range of IR receiver
材质：128g铜版纸
尺寸：360x124mm
1.HDMI source device like DVD, PS3, Set top box with HDMI port
3.Not suggest HDMI Extender TX sender used PC with HDMI source port.
Wireless Extender
·Specification
·FAQ
Q: Transmitter and receiver can't be connected with each other?
A: 1)Please check if the wireless connection light on product blinks
properly.
2) Restart the transmitter or receiver.
3) Reconnect the HDMI cable.
Q: The wifi LED indicator of the transmitter is off, but no signal output
on display/monitor?
A: 1) please check if there is an HDMI signal input of sender TX
2) Try to connect the signal source directly to display device to see if
there is signal output from source device or change the signal
source, HDMI cables and try again.
Q: Display not fluent and stable
A: 1) Please move the position of sender (TX) and receiver (RX) and make
sure the device is within the signal coverage.
2) Restart the transmitter or receiver.
3) Reconnect the HDMI cable.
4) Remove other wireless signal disturbance and reduce the
obstacle on the way.
Disclaimer
The product name and brand name may be registered trademark of
related manufacturers. TM and ® may be omitted on the user manual.
The pictures on the user manual are just for reference, and there may be
some slight difference with the real products.
We reserve the rights to make changes without further notice to a
product or system described herein to improve reliability, function or
design.
HDMI
performance
and interface
Audio formats Supported L/R stereo audio
Maximum transfer rate 10.2Gbps
Input and output DDC signal 5Vp-p(TTL)
Input and output TMDS signal 0.7～1.5Vp-p(TMDS)
Input cable length supported ≤5m(AWG26 HDMI1.3cable standard)
Output cable length supported ≤5m(AWG26 HDMI1.3cable standard)
Electrostatic protection
of the whole machine
1a Contact discharge level 3
Wireless
performance
and interface
Protection
level
Working temperature 0～40℃
Storage temperature -20～70℃
Humidity (no condensation) 0～90%
Material RX: Iron alloy material + crystal panel
TX: Plastic
Operating
Environment
Dimension
Finishing Grit blast
Color Black
Weight TX：30g， RX：220g
Body
properties
TX: 88.90(W) x 38.99(D) x15.17(H)mm
RX: 131.65(W) x 95(D) x 19.90(H)mm
1b Air discharge level 3
Standard: IEC61000-4-2
Mean time between failures
(MTBF) >30000 Hours
Reliability
Power
Supply
Voltage/Current
Power consumption
TX:DC5V/1A RX:DC5V/2A
HDMI
Performance
And Interface
HDCP1.2
HDMI resolution supported
480i@60Hz、480p@60Hz、
576i@50Hz、576p@50Hz、
720p@50/60Hz、1080i@50/60Hz、
1080p@50/60Hz
HDMI compliance HDMI1.3
HDCP compliance
TX＜3 W RX＜5 W
IR
performance
and interface
Support IR passback with
20-60KHz frequency
IR remote control
FCC Warning:
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:
o Reorient or relocate the receiving antenna.
o Increase the separation between the equipment and receiver.
o Connect the equipment into an outlet on a circuit different from that
to which the receiver is connected.
o Consult the dealer or an experienced radio/TV technician for help.
Caution: Any changes or modifications to this device not explicitly approved
by manufacturer could void your 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.
This equipment complies with FCC radiation exposure limits set forth for
an uncontrolled environment. This equipment should be installed and operated
with minimum distance 20cm between the radiator and your body.
This transmitter must not be co-located or operating in conjunction with
any other antenna or transmitter.
LKV388Dongle
Frequency Range 5180-5240.00MHz/5745-5825MHz
Bandwidth 20MHz
Modulation Technology IEEE 802.11ac:OFDM