The AT-130 is a high-performance HF antenna tuner manufactured by Kenwood. It is a modified version of the popular AT-200 antenna tuner. The AT-130 is small and light, and is suitable not only for use in your HAM shack but also for mobile or field operation.
The AT‑130 is a compact HF antenna tuner designed for amateur radio bands from 3.5 MHz to 30 MHz. It includes an antenna coupler, SWR meter, and antenna switch, and can be used in shack, mobile, or field installations.
The manual covers preparation, control functions, operation procedures, adjustment of the coupler, mobile mounting, and specifications. It also lists required accessories and provides wiring diagrams for proper installation.
| Frequency range | 3.5 MHz – 29.7 MHz |
|---|---|
| Maximum power | 150 W (3.5 MHz band, 120 W) |
| Insertion loss | < 0.5 dB at optimum match |
| Input impedance | 20 Ω – 3002 Ω, unbalanced |
| Dimensions (H × W × D) | 60 mm × 152 mm × 159 mm |
| Weight | 1.6 kg (≈3.5 lb) |
Set the CAL/SWR switch to the CAL position and adjust the CAL control until the meter pointer swings to the CAL line.
The AT‑130 operates on amateur bands from 3.5 MHz to 29.7 MHz.
It can handle up to 150 W (120 W at 3.5 MHz).
The meter lamp is illuminated by an external 12 V DC source using the supplied 2‑pin plug.