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Signal Distribution. Skip to the end of the images gallery. Skip to the beginning of the images gallery. In stock, shipped in 3 to 4 days.
Add to Cart. Add to wishlist Wishlist Recommend article. Product description Technical Data. Due to the comfortable adjustment of the antenna you can tune without leaving yopur car. With the supplied cm radiator the antenna has a total length from cm 3. With the optional radiator OPE 77cm the antenna has a length from to cm. With this short radiator operation is possible from 7 to 52MHz. With a parked car not while driving a smaller PL magnet base can be used as well, with the huge triple magnet base operation may be possible even while driving.
As any mobile antenna the SD requires the body of the car as counterpoise. If the grounding is not sufficient especially on the low bands 80 and 40m an additional magnet mat MAT can help. If the antenna is used at home a suitable counterpoise system must be built with wires.
The supply voltage 12V is taken from the cigar lighter. To change frequency you first tune the antenna to maximum noise on the receiver, then start transmitting with low power 10W and tune for best SWR.
With a goood counterpoise an SWR equal or better than is possible. Tuning takes max. Technical Data Supported Bands 10m, 12m, 15m, 17m, 20m, 30m, 40m, 80m. Follow us. All rights reserved. Europe International.
Diamond Antenna Mobile Screwdriver Antennas SD330
DIAMOND ANTENNA CORPORATION