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Russia Requires WiFi Registration
While WiFi wasn’t as broadly unlicensed in Russia as it is in most other industrialized nations, your can not find wifi antenna anywhere a state regulator exempted indoor use in certain bands from registration. The Mass Media agency apparently believes that it has the authority to compel this, although there’s some doubt by observers as to whether it really falls in their purview.
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DAB Antenna

How useful when you take of DAB Antenna Products.
We provide a comprehensive range of DAB Antenna Products that match the strict quality requirements of International market which has earned our company the distinct reputation of being a quality oriented Taiwan Exporter of DAB Antenna Products. We are recognized as one of the leading traders in this sector due to our capability to supply impeccable DAB Antenna Products to our customers. We laid our foot years back & ever since we are striving to deliver in our products innovation, competitive pricing & quality driven customer satisfaction.

My criteria for purchase were DAB band III (UK DAB), longwave, mains power and a line-in socket to allow me use the radio as a loudspeaker for my MP3 player. Additionally I would have also liked to have spent no more than £75, to also support DAB band L (continental Europe DAB, which may also be used in the UK from next year; there is already an L-band allocation for Cheltenham) and to have an external antenna socket.

HAL1 - Screen DAB Antenna

The JVC HAL1 consists of an adhesive element which sticks to the windscreen of a vehicle and a cable terminated at one end with a minature BNC connector and the other by a small self adhesive block .

The element is "T" shaped and is designed to be mounted vertically.

When stuck to the window, the aerial looks similar to the heating element in a heated window.

Eventually I went for the Sony XDR-S1 which had been discounted from around £99-£150 to only £89 at Apollo 2000 in Gloucester. This had all the mandatory features I was looking for, including L-band, longwave and line-in, plus a remote control. It also had a very heavy, solid build and a meaty sound. The nearest Roberts rival, the RD25, was rather small and delicate looking, didn't have longwave, didn't have L-band and had a bulky external DC adaptor, although it could be picked up online for £85 including delivery. On the plus side, the RD25 can use batteries, whilst the XDR-S1 is mains-only.

Interestingly, none of the decent-brand kitchen DAB radios under £100 supported an external aerial socket- I wasn't that bothered about this, since I had got some experience wiring up crocodile-clip antenna extensions from my SW-DXing days, and in my experience a croc-clip antenna extension to an inbuilt telescopic antenna always outperforms the same external antenna wired through a dedicated socket.

Also the RD25 and XDR-S1 seemed to be the only kitchen radios with a line-in socket for MP3 players. A line-in socket is a very inexpensive feature, and I found it strange that so few DAB radios at this price bracket supported it. At the sub-40 quid end I wouldn't have been surprised, but for the best part of £100 I expected a lot more manufacturers to support this. The guy at Comet commented that the MP3 player generation (teenagers) and the DAB generation (old fogies) tended to be very seperate - I was rather surprised to hear this.

An innovative GPS/DAB and GSM hybrid antenna array is composed of an entrainer for entraining a PCB or other electric circuit boards, a GPS/DAB ceramic patch antenna entrained on a surface of the entrainer; a low noise amplifier (LNA) entrained on the other surface thereof, and an antenna for global system mobile communication (GSM). By forming the GSM antenna into a planar thin strip configuration, the height and size of this hybrid antenna array can be greatly reduced, and fabrication cost of the same can also be cut down.

 

On plugging the XDR-S1 in at home, in the worst possible location (in a kitchen cubby hole on the ground floor, against a solid internal wall, directly in front of two mains sockets), I got all the radio stations that the DAB postcode checker said I would; namely all the BBC national stations (1-5, 6 Music, BBC 7, World Service etc) plus all the Digital 1 national commerical stations (Virgin, Planet Rock, OneWord, Classic FM etc). Out of interest, I relocated it into the window of the north-facing upstairs nursery, just to see if I could get the MXR multiplex for the West Midlands which carries Kerrang Radio, as this is a favourite station of Mel's. It popped up straight away, albeit with only 20-40% signal strength and some muddy DAB burbling.

 

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