Lenkeng Technology 17WM388 Wireless Extender User Manual 1
Shenzhen Lenkeng Technology Co., Ltd Wireless Extender 1
User manual
1. Smart portable design, wonderful performance.
2. Highest resolution up to 1080p full HD.
3. Support one HDMI Loop-out.
4. Strong anti-interference ability by running at 5GHz operation frequency .
5. Support point to point configuration, one to many (1 to 2) configuration
and many to many (2 to 2, 2 to 1) configuration.
6. Support IR passback with 20-60KHz frequency.
7. Supports button control to set channels and IR contoller to switch and
choose input sources from receiver side.
8. 50m long range transmission distance.
· Package Contents
· Important Safety Notice
· Introduction
· Features
· Installation Requirement
· Panel Description
HDMI Extender TX
sender x1pcs
HDMI Extender RX
receiver x1pcs
DC5V/2A power
adapter x2pcs
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. This wireless extender not only supports point to
point configuration, but also supports one to many (1 to 2) and many to
many (2 to 2, 2 to 1) configuration. This extender supports wide range IR
passback frequency 20-60KHz to realize remote control of source devices
from receiver side. With both button control and IR controller, makes
channel setting easily. It is really a very good solution for transmitting one
or more HDMI source signal to one or more screens in long distance
without running wires simultaneously, perfect for application of
conference, home entertainment and 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.
1. HDMI source device (DVD, PS3, Set top box, PC etc)
2. HDMI display device like SDTV, HDTV, and projector with HDMI port.
1. HDMI Extender TX sender
2.HDMI Extender RX receiver
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 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
better transmit the IR signal from receiver
Connect with HDMI source device
HDMI input
Connect with DC5V/2A power adapter
Power input
Launch wireless signal
Antenna
HDMI signal indicator
Wireless connections
indicator 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
Connect with HDMI display device
HDMI output
Connect with DC5V/2A power adapter
Power input
Receive wireless signal
Antenna
Wireless connections
indicator
Data transmission
indicator
Led blinks slowly when it is building connection.
Led blinks fast when it is successfully connected
and transmitting data
HDMI signal input, it always on
Input CHANNEL
indicator
Indicate the input CHANNEL as a number, and
when the CHANNEL of transmitter as same as
the CHANNEL of receiver, wireless transmission
connected
It’on when the transmitter and the receiver
connect well with each other, other wise, it’off
It’on when the transmitter and the receiver
connect well with each other, other wise, it’off
1. Point to Point connection:
2. One to two connection:
Remote controller
×1pcs
HDMI display
HDMI display
HDMI display
3) It is recommended that the distance between each unit should be more
than 5 meters.
8
8
8
9
99
8 9
CHANNEL setting
button For adjusting CHANNE
IR remote control
window Receive IR remote control signal
s
s
s
s
Output CHANNEL
indicator
Indicate the output CHANNEL as a number, and
when the CHANNEL of transmitter as same as
the CHANNEL of receiver, wireless transmission
connected
10 11
10
11 IR remote control
window Receive IR remote control signal
10
Digital control button Display CHANNEL channel parameters
10
HDMI display
HDMI display
IR remote control
window Receive IR remote control signal
HDMI loop-out for local monitoring
HDMI output
For adjusting CHANNEL
CHANNEL setting
button
W ireless E xtender
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.
Connection instruction:
1) Connect HDMI input with HDMI source device and connect IR blaster
extension cable with IR OUT interface of the sender (TX).
2) Connect HDMI output with HDMI display device and connect IR
receiver extension cable with IR IN interface.
3) Power on the device (power led lights) and it works.
Note:
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) This wireless matrix can support up to 2 transmitter work with 2
· FAQ
Q: Transmitter and receiver can't be connected with each other?
A: 1) Please check and make sure both receiver and transmitter have been
powered on
2) Please check and make sure the input channel of the transmitter and
the output channel of the receiver are the same.
Q: The wifi LED indicator of the transmitter keeps on, 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) Press “reset” button on the TX/RX panel, reset and reconnect.
3) Remove other wireless signal disturbance and reduce the
obstacle on the way.
· Specification
Power
supply Voltage/Current
Power consumption
DC5V/2A
TX＜7W Rx＜5W
HDMI
performance
and interface
Supports audio formats L/R stereo audio
Maximum transfer rate 10.2Gbps
Input and output DDC signal 5Vp-p(TTL)
Audio signal
transmission format L/R stereo audio
Input and output TMDS signal 0.5～1.5Vp-p(TMDS)
Input cable length supported ≤5m(AWG26 HDMI1.3cable standard)
Output cable length supported ≤5m(AWG26 HDMI1.3cable standard)
Wireless
performance
and interface
IR
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
Support IR passback with
20-60KHz frequency
IR remote control
Electrostatic protection
of the whole machine
1a Contact discharge level 3
Protection
level
Working temperature 0～50℃
Storage temperature -10～70℃
Humidity (no condensation) 0～90%
Operating
environment
Support many
to many
3. Matrix connections
HDMI display
HDMI display
Material Iron alloy material + cr ystal panel
Dimension
Processing technology Sandblasting
Colour black
Mean time between failures
(MTBF) >30000 Hours
Weight TX：200g，RX：200g
Body
properties
Reliability
95(W) x 120.58(D) x 20.1(H)mm
1b Air discharge level 3
Standard: IEC61000-4-2
receivers simultaneously, please make sure each device keep 5
meters away from others at least.
3) The environment wireless signal will affect transmission, such as
microware, wireless mouse and keyboard etc.
HDMI display
HDMI display
FCC Warning:
This equipment has been tested and found to comply with the limits for a Class
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.
Frequency Range 5180.00-5240.00MHz/5745.00-5825.00MHz
Bandwidth 20MHz
Modulation Technology IEEE 802.11ac:OFDM