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General Questions

Q1Why do some digital TV programme channels need to use new transmitting frequencies starting from 1 April 2021?
A1
It is a necessary step to facilitate the development of next generation telecommunications services and smart city applications in Hong Kong. It will help to vacate valuable spectrum in the 600/700 MHz bands (i.e. 614 – 806 MHz) to address the growing demand for spectrum supporting high value-added mobile telecommunications services, such as the fifth generation (5G) services.
Q2Which digital TV programme channels are affected?
A2
These six digital TV programme channels are affected –
  • RTHK TV 31
  • RTHK TV 32
  • RTHK TV 33
  • Jade 81
  • ViuTVsix 96
  • ViuTV 99
Q3When will the change of transmitting frequencies happen?
A3
From 1 April to 30 November 2021, the six digital TV programme channels will be transmitted on both the existing and new frequencies.

From 1 December 2021, 00:00 onwards, these digital TV programme channels will be transmitted on the new frequencies (i.e. UHF Channels 27 and 37) only.
Q4What is the Digital Simulcast? Why is it needed?
A4
Digital Simulcast refers to the transmission of the six digital TV programme channels at both the existing and new digital terrestrial television (DTT) frequency channels over a period from 1 April to 30 November 2021. This is to facilitate owners of buildings using common antenna broadcast distribution (CABD) systems / in-building coaxial cable distribution systems (IBCCDS) to arrange necessary reconfiguration work within the Digital Simulcast period.

From 1 December 2021, 00:00 onwards, these six digital TV programme channels will be transmitted on the new DTT frequency channels only.
Q5What should I do to continue to receive the relevant digital TV programme channels transmitted on the new frequencies?
A5
If you are living in private residential estates / buildings / housing courts of various subsidized home ownership schemes currently receiving TV signals using common antenna broadcast distribution (CABD) system / in-building coaxial cable distribution systems (IBCCDS), please go to Q13.

If you are living in public housing estates, please go to Q22.

If you are living in village houses / bungalows / old tenement buildings, etc. using self-provided TV antenna, please go to Q23.

If you are a subscriber of Hong Kong Cable Television Limited, please go to Q26.
Q6What are common antenna broadcast distribution (CABD) systems and in-building coaxial cable distribution systems (IBCCDS)? How can I know whether I am using these systems for TV reception?
A6
CABD system refers to a system installed at a housing estate or multi-storey building to receive free-to-air broadcasting signals transmitted via radio spectrum and distribute them to individual households.

IBCCDS refers to a coaxial cable system installed inside a housing estate or multi-storey building for distributing and relaying signals for telecommunications, broadcasting and security services. It may include CABD system, Satellite Master Antenna TV system, closed circuit TV system, cable TV system or any combination of these.

In general, if you have not installed a self-provided TV antenna and you are connecting your TV set / digital terrestrial television (DTT) receiver to a wall socket similar to the one shown below, you are very likely using the CABD system / IBCCDS installed in the building you reside in for TV reception.

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Q7Do I need to replace my TV set / digital terrestrial television (DTT) receiver?
A7
No, you do not need to replace your TV set / DTT receiver to receive the digital TV programme channels concerned.
Q8Do I need to rescan the digital TV programme channels on my TV set / DTT receiver?
A8
If you are using the CABD system / IBCCDS to receive TV signals, please check with your building management office whether and when you should rescan the digital TV programme channels on your TV set / DTT receiver.

If you are using a self-provided TV antenna to receive TV signals, in case you cannot receive any of the six digital TV programme channels on your TV set / DTT receiver on or after 1 December 2021, you will need to rescan the digital TV programme channels.
Q9How can I rescan the digital TV programme channels on my TV set / DTT receiver?
A9
Please refer to the user manual of your TV set / DTT receiver for the procedures of rescanning or consult the equipment supplier directly. You may also click here (to be available soon) for step-by-step instructions or video clips on how to rescan the digital TV programme channels on major brands of TV sets / DTT receivers.
Q10When should I perform the rescanning?
A10
If you are using the CABD system / IBCCDS to receive TV signals, please check with your building management office whether and when you should rescan the digital TV programme channels on your TV set / DTT receiver.

If you are using a self-provided TV antenna to receive TV signals, in case you cannot receive any of the six digital TV programme channels on your TV set / DTT receiver on or after 1 December 2021, you will need to rescan the digital TV programme channels.
Q11What if I do not perform the rescanning?
A11
Only six digital TV programme channels will be affected in the Channel Migration. If you have not performed the rescanning or the CABD system / IBCCDS of the building you reside in has not been reconfigured on or after 1 December 2021, you can still watch the unaffected digital TV programme channels, viz. J2 82, TVB News 83, Pearl 84 and TVB Finance & Information 85, as well as Hong Kong International Business Channel 76 and Hong Kong Open TV 77 (if currently already receivable).
Q12I would like to obtain more information. Whom should I contact?
A12
For any enquiry about the Channel Migration or DTT reception, please contact our hotline at 2961 6333 or email to .

Private Residential Estates / Buildings / Housing Courts of various Subsidized Home Ownership Schemes using CABD Systems / IBCCDS

Q13I am living in a private residential estate / building / housing court of various subsidized home ownership schemes, what should I do?
A13
Please stay tuned to the announcement of your building management offices / incorporated owners (BMOs / IOs) for the arrangement of the relevant CABD system / IBCCDS reconfiguration, and whether rescanning of digital TV programme channels on your TV set / DTT receiver is required after the system reconfiguration.
Q14Why should CABD Systems / IBCCDS need to be reconfigured?
A14
In general, TV signals are received by CABD systems / IBCCDS of buildings and then distributed to individual households or units therein. If your CABD system / IBCCDS could not receive the six digital TV programme channels transmitted on the new frequencies, the CABD systems / IBCCDS will need to be reconfigured.
Q15How to get a CABD system / IBCCDS reconfigured?
A15
Building management offices / incorporated owners (BMOs / IOs) may engage CABD system / IBCCDS contractors to reconfigure their systems for reception and distribution of the relevant digital TV programme channels transmitted on the new frequencies. The reconfiguration may involve retuning the existing headend equipment and / or installing two channel amplifiers at maximum, depending on the setup of the CABD system / IBCCDS. Addition of low-pass filters may also be required to protect the CABD system / IBCCDS from any interference incurred by future mobile services operating in the 700 MHz band.
Q16When should building management offices / incorporated owners (BMOs / IOs) start to arrange reconfiguration of their CABD systems / IBCCDS?
A16
The relevant digital TV programme channels will be transmitted on both the existing and new frequencies within the period from 1 April to 30 November 2021. BMOs / IOs should get prepared for arranging CABD system / IBCCDS contractors to reconfigure their CABD systems / IBCCDS within the abovementioned period so that residents / users are able to continue receiving the relevant digital TV programme channels from 1 December 2021 onwards.
Q17How long will it take to reconfigure a CABD system / IBCCDS?
A17
The reconfiguration of a CABD system / IBCCDS will normally be completed within one day.
Q18How much will it cost to reconfigure a CABD system / IBCCDS?
A18
In general, the reconfiguration of a CABD system / IBCCDS may cost from about HK$ 5,000 to HK$ 20,000. The actual cost would depend on the actual design and configuration of individual CABD system / IBCCDS. CABD system / IBCCDS users (i.e. owners or tenants of the building) would need to bear the cost of reconfiguration, but the cost to be borne by individual user is expected to be much lower after sharing (around HK$ 20 to HK$ 400 per household or unit).
Q19Why do CABD system / IBCCDS users need to bear the cost of reconfiguration?
A19
Since CABD system / IBCCDS is part of the building facilities owned by BMOs / IOs for receiving and distributing free TV broadcasting signals to premises, it is a common practice that BMOs / IOs to bear the maintenance fees for the normal operation of the CABD system / IBCCDS. In this connection, consistent with the arrangements adopted in the past similar exercises, BMOs / IOs will need to arrange the reconfiguration of their CABD systems / IBCCDS at their own costs. Based on the latest market information collected by OFCA, the relevant cost should be in the region of HK$ 5,000 to HK$ 20,000 per system, depending on the actual design and configuration of individual systems. Such cost will usually be shared among individual households or units, at around HK$ 20 to HK$ 400 per household or unit. As the cost is not high, it can generally be absorbed by the management fees or maintenance funds of the buildings.
Q20What should be done after the reconfiguration of a CABD system / IBCCDS?
A20
BMOs / IOs may seek advice from their CABD system / IBCCDS contractors and inform their residents / users after the completion of the system reconfiguration on whether they need to rescan digital TV programme channels on their TV sets / DTT receivers. Residents / users may also rescan the digital TV programme channels on their TV sets / DTT receivers if they are not able to receive any of the six digital TV programme channels after the system reconfiguration. If they encounter any TV reception problems, they may approach their BMOs / IOs for assistance or contact OFCA&'s enquiry hotline at 2961 6333 for technical advice.
Q21What would happen if the reconfiguration of a CABD system / IBCCDS could not be completed before 1 December 2021?
A21
If the reconfiguration of a CABD system / IBCCDS is required but could not be completed before 1 December 2021, residents / users of the system will not be able to receive the six digital TV programme channels, viz. RTHK TV 31, RTHK TV 32, RTHK TV 33, Jade 81, ViuTVsix 96 and ViuTV 99, starting from 1 December 2021. As such, BMOs / IOs should take early action to reconfigure their CABD systems / IBCCDS. Having said that, the system users can still watch those unaffected digital TV programme channels, viz. J2 82, TVB News 83, Pearl 84 and TVB Finance & Information 85, as well as Hong Kong International Business Channel 76 and Hong Kong Open TV 77 (if currently already receivable).

Public Housing Estates

Q22I am living in a public housing estate, what should I do?
A22
Please check with the building management office of your estate for the arrangement of the relevant CABD system / IBCCDS reconfiguration, and whether rescanning of digital TV programme channels on your TV set / DTT receiver is required after the system reconfiguration.

Village Houses / Bungalows / Old Tenement Buildings Using Self-Provided TV Antennae

Q23I am living in a village house / bungalow / old tenement building using self-provided TV antenna, what should I do?
A23
If your existing TV antenna is working well, you do not need to change any setting of your TV antenna. In case you cannot receive any of the six digital TV programme channels on your TV set / DTT receiver on or after 1 December 2021, you will just need to rescan the digital TV programme channels.
Q24Do I need to hire a contractor to adjust my existing TV antenna? Or should I buy a new TV antenna?
A24
There is no change required on the existing TV antenna setting and therefore no need to adjust your existing TV antenna or buy a new TV antenna. In case you cannot receive any of the six digital TV programme channels on your TV set / DTT receiver on or after 1 December 2021, you will just need to rescan the digital TV programme channels.
Q25Can I take earlier action to perform the rescanning before 1 December 2021?
A25
You are advised not to perform any rescanning on your TV set / DTT receiver in advance. You will only need to do so if you cannot receive any of the six digital TV programme channels on or after 1 December 2021.

Subscribers of Hong Kong Cable Television Limited (HKCTV)

Q26I am a subscriber of HKCTV's services. What should I do?
A26
Please contact HKCTV on the steps required for continued reception of the relevant digital TV programme channels.