ICOM AH-705 Compact Antenna Tuner
Brand:
ICOM
ICOM AH-705 Compact Antenna Tuner
ICOM AH-705 Compact Antenna Tuner
ICOM AH-705 Compact Antenna Tuner
The ICOM AH-705 is a compact automatic antenna tuner designed specifically for seamless integration with the ICOM IC-705 portable transceiver. Covering 1.8 MHz through 54 MHz, it provides fast automatic tuning for wire antennas, dipoles, verticals, and portable antenna systems. Featuring IP54-rated construction, battery or external DC operation, and low-power latching relay technology, the AH-705 is optimized for portable, field, and emergency communication applications.
Key Features
- Designed specifically for the ICOM IC-705 portable transceiver
- Fully automatic antenna tuning operation
- Covers HF and 6-meter amateur bands from 1.8 MHz to 54 MHz
- One-touch tuning directly from the IC-705 TUNER button
- Supports long-wire, dipole, vertical, and portable antennas
- 45 memory channels for rapid retuning of previously matched frequencies
- Fast tuning cycle with typical tuning times of 2–3 seconds
- Latching relay architecture minimizes power consumption
- SO-239 connector for 50-ohm coax-fed antennas
- Supplied terminal connector for long-wire antenna operation
- Compact lightweight field-ready design
- IP54-rated dust and water-resistant construction
- Suitable for portable, mobile, and outdoor installations
- Battery-powered operation using two AA alkaline batteries
- External 13.8V DC operation supported
- Low standby current consumption
- Automatic impedance matching for improved power transfer
- Supports portable wire antennas commonly used in POTA and SOTA activities
- Integrated communication interface with the IC-705
- No manual adjustment required during normal operation
- Optimized for QRP and portable HF operation
- Suitable for emergency communications and field deployments
- Weather-resistant enclosure for outdoor use
- High-quality ICOM construction and reliability
- Ideal companion accessory for the IC-705 ecosystem
Typical Uses
- ICOM IC-705 portable stations
- POTA and SOTA activations
- Portable HF and 6-meter operation
- Long-wire antenna tuning
- Emergency communications
- Field Day operations
- Temporary and expedition stations
In the Box
- ICOM AH-705 Automatic Antenna Tuner
- Control cable for IC-705
- Coaxial interconnect cable
- Long-wire terminal connector adapter
- Mounting bracket
- DC power connector
- User documentation
| Brand | ICOM |
| Model Number | AH-705 |
| Product Type | Automatic Antenna Tuner |
| Tuner Type | Automatic L-Network |
| Frequency Coverage | 1.8-54MHz |
| Maximum Input Power | 10W |
| Input Impedance | 50 Ohm |
| Power Required For Tuning | 5W-10W |
| Tuning Time | 2-3 Seconds Typical |
| Maximum Tuning Time | 15 Seconds |
| Memory Capacity | 45 Memories |
| Power Supply | 3V DC (2 x AA Batteries) |
| External Power Supply | 13.8V DC ±15% |
| Current Consumption Tuning | <300mA |
| Current Consumption Standby | <1mA |
| Connector Type | SO-239 |
| Long Wire Terminal | Included |
| Weather Rating | IP54 |
| Operating Temperature | -10°C to +60°C |
| Dimensions | 190 x 105 x 40 mm |
| Weight | 450 g |
| Radio Compatibility | ICOM IC-705 |
| Operation | Automatic |