Icom AH-705

Icom AH-705


Compact Antenna Tuner for the IC-705, Tunable 50Ω Antenna and Long Wire Antenna

Icom AH-705Covers the 1.8 MHz to 50 MHz bands

30 m, 98.4 ft or longer antenna: 1.8 – 54 MHz,

7 m, 23 ft or longer antenna: 3.5 – 54 MHz

* Depending on operating conditions or environments, the tuner may not be able to tune the antenna.

SO-239 antenna connector for 50Ω antenna such as dipole or Yagi

“Terminal connector” binding post socket adapter supplied for a long wire antenna

2-way power sources using alkaline batteries or external 13.8 V DC*

* 13.8 V DC should be taken directly from an external power supply, not through the IC-705.

IP54 dust-protection and water resistance construction*

* The connectors should be covered with an adhesive tape or a jack cover to prevent water seeping into the connection

Full automatic tuning, just push the [TUNER] button on the IC-705

Latching relays used for saving power consumption

190 x 105 x 40 mm; 7.5 x 4.1 x 1.6 in, 450 g; 15.8 oz* compact design

* Battery cells are not included.



Icom AH-705



Tunable frequency range1.8 – 54 MHz (with a 30 m, 98.4 ft or longer antenna) 3.5 – 54 MHz (with a 7 m, 23 ft or longer antenna)
Maximum input power10 W
Input impedance50 Ω
Power requirement for tuning5 W, 10 W
Tuning time (approximate)Average: 2 – 3 seconds Maximum: 15 seconds
Power supply requirementBattery: 3.0 V DC (LR6 (AA) alkaline x 2 cells)
DC Input: 13.8 V DC (±15%)
Current drainLess than 300 mA (at tuning) Less than 1 mA (stand-by)
Electric polarityNegative ground
Operating temperature range-10°C to +60°C, 14°F to +140°F
Tuning accuracyLess than 1: 2.0 VSWR

(except X/2 of antenna length and its multiples)

Number of tuned memories45 memories
Dimensions (W x H x D) (projections not included)190 x 105 x 40 mm; 75 x 4.1 x 1.6 in
Weight (approximate)450 g, 15.8 oz (battery cells are not included)
All stated specifications are subject to change without notice or obligation. Applicable IP Rating
Ingress Protection Standard
IP ratingIP54 (Dust-protection and water resistant)


Icom AH-705

  • Coaxial cable (2 m, 6.6 ft, BNC connectors, between AH-705 and IC-705)
  • Control cable (2 m, 6.6 ft, between AH-705 and IC-705)
  • Terminal connector, PL-259 to binding post socket adapter for a long wire antenna
  • Mounting bracket (with a screw and washer)
  • DC plug


OPC-2474 (5 m, 16.4 ft) CONTROL CABLE between AH-705 and IC-705

OPC-2475 (5 m, 16.4 ft) COAXIAL CABLE between AH-705 and IC-705 (BNC connectors)


The AH-705 fits into the LC-192 multi-function backpack


Icom Inc. and the Icom logo are registered trademarks of Icom Incorporated (Japan) in Japan, the United States, the United Kingdom, Germany, France, Spain, Russia, Australia, New Zealand and/or other countries,

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