The mAT-40  is an outdoor weatherproof long wire and vertical wire tuner.  A single wing nut antenna connector is on the tuner rear. Connection via control cables to Icom, Kenwood, or Yaesu transceivers for DC power and control of the tuner from the radio front panel.  10 meter (32.8 ft) control cable included.  Adapter cable to connect control cable to Icom (mAT-40-M), Kenwood (mAT-40-K), Yaesu (mAT-40-Y) is required to use the tuner.  Purchase one adapter along with the mAT-40 tuner.   Made for permanent external outdoor use.  Uses 50 ohm coax for the feedline. The tuner is used at the antenna feed point.  The rear panel uses  an insulated wingnut connector for attachment of a single wire antenna.  A commonly recommended length is 40-43 feet, which should be tunable on all  HF bands with the mAT-40.  Power is supplied to the tuner from the radio through the control cable.  16,000 memories, 1.8-54 MHz operation. For mounting, mAT-40 has metal tabs at all 4 corners to accommodate bolts or screws, and a separate expansion bracket is also included that can be mounted to the corner tabs if a different configuration is desired.

Specifications:- 0.1 to 120 watts SSB and CW power (100 watts max above 50 MHz).  30 watts for key down digital modes.- 1.8-54 MHz continuous coverage- 5 to 1500 ohms matching range- Minimum tunable antenna length 10 ft.  May not tune any given  length of wire on all bands, the longer the wire the better potential frequency coverage via the mAT-40.- 10 meter control cable included, requires adapter cable for Icom, Kenwood, Yaesu.- Dimensions:  7 7/8" deep x 5 1/8" wide x 1 3/4" high- Weight: 2.2 lb (1 kg). The mAT-40 is covered by 1 year parts and labor warranty administered in the USA and Canada by Vibroplex.