Citizen RCW/SU-3 - Wave Receiver Antenna

Description: Radio wave amplifier for DCF77 station

Citizen RCW/SU-3 antenna: what it is and what it's for.

Citizen brand radio wave amplifier device for radio-controlled watches that synchronize with the DCF77 station.

• Works with all types of radio-controlled watches,
• They don't have to be Citizen brand.
• Necessary in areas where wave reception is difficult.
• Increases the watch's synchronization capability.
• It will be very useful if you live in enclosed buildings or deep valleys between mountains.
• You can use it with several watches at once.

How does the wave amplifier for radio-controlled watches work?

• It is a device that amplifies the watch's reception capability.
• It does not require electrical power or batteries.
• It does not consume electricity or watch resources.
• It is placed next to the watch you want to synchronize.
• It takes about 15 minutes to work.
• We recommend doing it once a month.

How to use the Citizen Rcw/su3 antenna?

• Consult the instructions for your watch model.
• Find a window or the most open area of the house.
• Locate the position of the transmitting antenna relative to your position. In this case, Germany.
• Place the Citizen antenna very close to the watch, so that it lightly touches it.
• Manually set the watch to reception mode. To start receiving the time signal.
• If you don't know how to force reception, leave it in that position for 24 hours so it does it automatically.

How to know if your watch has synchronized?

• Most watches have a button to check reception.
• If you don't know how to do it, simply check the time by comparing it with your mobile phone,
• The time should match exactly when it changes to the next minute.

I'm going to buy a radio-controlled watch. Do I need to buy the Citizen RCW/SU3 antenna?

The need for the amplifier device depends on several factors:

• Some radio-controlled watches receive the signal better than others, depending on the brand, the technology used, and the model itself.
• If you live in the southern half of Spain, it is usually necessary.
• You will need it if you live in a large city surrounded by tall buildings.
• It is essential in homes that have few windows or are in the lower areas of buildings or basements.
• If you live near a powerful radar signal, such as an airport, for example.

Does it really work?

• Of course, it is manufactured by Citizen, the world leader in radio-controlled watches.
• We are so confident in its effectiveness that if it doesn't work for you, you have 30 days to return it and get your money back.

Does it work for other watch brands?

• Yes, Casio radio-controlled watches and other brands are compatible.
• If you have a Citizen radio-controlled watch, it's the best investment you'll make, but also if you have a watch from other brands.

Although it was designed for Citizen Eco-Drive watches, we have verified that it works for all types of radio-controlled watches.

Does it help with the reception of waves from other transmitting antennas?

• It does not amplify the signal from other transmitting antennas as it is designed for the frequency at which the DCF77 station in Germany operates.
• It is not suitable for transmitters in America or Asia.

Do you want to know what a radio-controlled watch is and how it works?

• These are watches that automatically receive the time signal from a transmitting station, so they always show the exact time.
• They have a small wave receiver inside, and the time is updated daily with the exact time from the atomic clock.
• If you live in an area with poor or bad wave reception, that's when you need this Citizen rcw/su3 antenna device to improve reception.
• Here's a great article from our blog that talks about how a radio-controlled watch works.

Is the antenna necessary for it to work?

• The amplifying antenna is not necessary for a radio-controlled watch to function.
• It is necessary to receive the signal well in difficult places.
• It is not necessary to change the time; the time can be changed manually.
• It is very useful for winter and summer time changes, as it does so automatically on the night of the change.