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Automatic Antenna Tuner AT-500

Suitable for various vessels
The versatile AT-500 can be used with a variety of vessels, even smaller boats that cannot use a long antenna element

For varies HF marine transceivers
AT-500 easily matches various HF marine transceivers such as Icom, Kenwood etc. AT-500 installation is simple. No adjustments are necessary. Just connect the control cable and antenna wire .

Automatic tuning
No manual tuning is needed. Just push the [TUNE] switch on HF marine transceiver; the AT-500 adjusts the antenna and the Transceiver to the minimum SWR in any frequency on an HF marine band. The AT-500 allows you to transmit with strong RF output power, and is perfect for maritime mobile operations.

PRODUCTS CATEGORIES
PRODUCT DESCRIPTION

 

  • Dimensions: 230(W) x 340(H) x 80 (D) mm; 9.1(W) x 13.4(H) x 3.1(D) in (projections not included)
  • Weight: 2.5 kg; 5.5lb
  • Usable Temperature Range: -30 o C ~ +60 o C
  • Rated Voltage: 13.6 V DC +/-15% (negative ground) (supplied from an HF marine transceiver)
  • Current Drain (at 13.6 V DC): 2 A
  • Frequency Coverage: 1.6~30 MHz
Lowest Frequency in use Length of antenna
1.6MHz 12 meters or longer
4MHz 3 meters or longer
8MHz 2 meters or longer
  • Input Impedance: 50 ohms (unbalanced)
  • Max. Input Power: 150 W (PEP)
  • Input Power During Tuning: 10 W
  • Auto Tuning Time: 1.5 sec. (returning for a memorized frequency), typically 2~3 sec. (when operating band has been changed)
  • Auto Tuning Accuracy: VSWR 2.0:1
  • Insertion Loss: 0.5 dB (with a 50 ohms load, after tuning)
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