ALFAtron B20K User manual

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User Manual
ALFAtron B20K
HDMI 2.0 Booster
All Rights Reserved

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Statement
Thanks for purchasing this product, please read this user manual carefully
before use. We reserve the right to make function or parameters changes
without notice or obligation.
Safety Precaution
▪Do not dismantle the housing or modify the module to avoid electrical
shock or burn.
▪Using supplies not meeting the products' specifications may cause damage,
deterioration or malfunction.
▪Do not expose the unit to rain, moisture or install this product near water.
▪Install the device in a place with fine ventilation.
▪Do not twist or pull by force ends of the optical cable. It can cause
malfunction.
▪Do not use liquid or aerosol cleaners to clean this unit.
▪Always unplug the power to the device before cleaning.
▪Unplug the power when not used for a long period of time.
▪Refer all servicing to qualified service personnel.
After-Sales Service
We provide limited warranty for the product within 7 years

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Introduction
B20K is an HDMI 2.0 booster designed to extend 4k×2k@60Hz 4:4:4 signal up
to 20m, and 4k×2k@30Hz signal up to 35m over HDMI2.0 cables, being
powered by HDMI source, and the HDMI cables should support 18Gbps.
Feature
▪Supports HDMI2.0, HDCP2.2 compliant.
▪The total transmission distance of 4k@60Hz 4:4:4 signal is up to 20m, and
the maximum distance from HDMI output to display supports 10m.
▪The total transmission distance of 4k@30Hz signal is up to 35m, and the
maximum distance from HDMI output to display supports 15m.
▪The total transmission distance of 1080p signal is up to 50m, and the
maximum distance from HDMI output to display supports 30m.
▪▪No need of any external power supply, simplifying the installation and
operation.
Package Content
▪1 x B20K
▪1 x Velcro Tape
▪1 x User Manual

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Panel Description
①INPUT: Connect with HDMI source
②Power LED: GREEN when powered on
③OUTPUT: Connect with HDMI display
System Diagram
IN
TVDVD

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Specifications
Input & Output
Input
(1) HDMI
Input Connector
(1) 19-pin type-A female HDMI
Output
(1) HDMI
Output Connector
(1) 19-pin type-A female HDMI
General
Transmission Distance
4Kx2K@60Hz 4:4:4≤20m;
4Kx2K@30Hz 4:4:4≤ 35m;
1080p≤50m
HDMI Standard
HDMI2.0
HDCP Standard
Input supports HDCP2.2
Bandwidth
18Gbps
Work Temperature
0~40℃
Storage Temperature
-10~55℃
Relative Humility
10%-90%
Dimensions (W*H*D)
35.5mm x 12 mm x 49 mm
Weight
52g
1) Product Limited Warranty: We warrants that our
products will be free from defects in materials and
workmanship for seven years, which starts from the first
day the product leaves warehouse (check the SN mark

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on the product).
Proof of purchase in the form of a bill of sale or receipted
invoice must be presented to obtain warranty service.
2) What the warranty does not cover:
Warranty expiration.
Factory applied serial number has been altered or
removed from the product.
Damage, deterioration or malfunction caused by:
Normal wear and tear
Use of supplies or parts not meeting our
specifications
No certificate or invoice as the proof of warranty.
The product model showed on the warranty card
does not match with the model of the product for
repairing or had been altered.
Damage caused by force majeure.
Servicing not authorized
Other causes which does not relate to a product
defect
Delivery, installation or labor charges for installation
or setup of the product
3) Technical Support: Email to our after-sales department
or make a call, please inform us the following information
about your cases.
Product version and name.
Detailed failure situations.
The formation of the cases.
Remarks: For any questions or problems, please try to get

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help from your local distributor.
1. Limited warranty in respect of Alfatron Products Only
1.1 This limited warranty covers defects in materials and
workmanship in this product.
1.2 Should warranty service be required, proof of purchase
must be presented to the Company. The serial number on
the product must be clearly visible and not have been
tampered with in any way whatsoever.
1.3 This limited warranty does not cover any damage,
deterioration or malfunction resulting from any alteration,
modification, improper or unreasonable use or maintenance,
misuse, abuse, accident, neglect, exposure to excess
moisture, fire, improper packing and shipping (such claims
must be presented to the carrier), lightning, power surges,
or other acts of nature. This limited warranty does not cover
any damage, deterioration or malfunction resulting from the
installation or removal of this product from any installation,
any unauthorized tampering with this product, any repairs
attempted by anyone unauthorized by the Company to
make such repairs, or any other cause which does not relate
directly to a defect in materials and/or workmanship of this
product. This limited warranty does not cover equipment
enclosures, cables or accessories used in conjunction with
this product.
This limited warranty does not cover the cost of normal
maintenance. Failure of the product due to insufficient or
improper maintenance is not covered.

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1.4 The Company does not warrant that the product covered
hereby, including, without limitation, the technology and/or
integrated circuit(s) included in the product, will not become
obsolete or that such items are or will remain compatible
with any other product or technology with which the product
may be used.
1.5 Only the original purchaser of this product is covered
under this limited warranty. This limited warranty is not
transferable to subsequent purchasers or owners of this
product.
1.6 Unless otherwise specified, the goods are warranted in
accordance with the manufacturer’s product specific
warranties against any defect attributable to faulty
workmanship or materials, fair wear and tear being
excluded.
1.7 This limited warranty only covers the cost of faulty goods
and does not include the cost of labor and travel to return
the goods to the Company’s premises.
1.8 In the event of any improper maintenance, repair or
service being carried out by any third persons during the
warranty period without the Company’s written
authorization, the limited warranty shall be void.
1.9 A 7 (seven) year limited warranty is given on the
aforesaid product where used correctly according to the
Company’s instructions, and only with the use of the
Company’s components.
1.10 The Company will, at its sole option, provide one of the
following three remedies to whatever extent it shall deem

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necessary to satisfy a proper claim under this limited
warranty:
1.10.1 Elect to repair or facilitate the repair of any defective
parts within a reasonable period of time, free of any charge
for the necessary parts and labor to complete the repair and
restore this product to its proper operating condition.; or
1.10.2 Replace this product with a direct replacement or
with a similar product deemed by the Company to perform
substantially the same function as the original product; or
1.10.3 Issue a refund of the original purchase price less
depreciation to be determined based on the age of the
product at the time remedy is sought under this limited
warranty.
1.11 The Company is not obligated to provide the Customer
with a substitute unit during the limited warranty period or at
any time thereafter.
1.12 If this product is returned to the Company this product
must be insured during shipment, with the insurance and
shipping charges prepaid by the Customer. If this product is
returned uninsured, the Customer assumes all risks of loss
or damage during shipment. The Company will not be
responsible for any costs related to the removal or re-
installation of this product from or into any installation. The
Company will not be responsible for any costs related to any
setting up this product, any adjustment of user controls or
any programming required for a specific installation of this
product.

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1.13 Please be aware that the Company’s products and
components have not been tested with competitor’s
products and therefore the Company cannot warrant
products and/or components used in conjunction with
competitor’s products.
1.14 The appropriateness of the goods for the purpose
intended is only warranted to the extent that the goods are
used in accordance with the Company’s installation,
classification and usage instructions.
1.15 Any claim by the Customer which is based on any
defect in the quality or condition of the goods or their failure
to correspond with specification shall be notified in writing to
the Company within 7 days of deliver or (where the defect or
failure was not apparent on reasonable inspection by the
Customer) within a reasonable time after discovery of the
defect or failure, but, in any event, within 6 months of
delivery.
1.16 If delivery is not refused, and the Customer does not
notify the Company accordingly, the Customer may not
reject the goods and the Company shall have no liability and
the Customer shall pay the price as if the goods had been
delivered in accordance with the Agreement.
1.17 THE MAXIMUM LIABILITY OF THE COMPANY
UNDER THIS LIMITED WARRANTY SHALL NOT EXCEED
THE ACTUAL PURCHASE PRICE PAID FOR THE
PRODUCT.