mAT-125E Antenna tuner, 120 watts (includes 2x 18650 battery)

Description

mAT-125E Antenna Tuner

The mAT-125E is an automatic antenna tuner intended for use with just about any transceiver. No data cable needs to be connected to the tuner, only a 50 ohm RF cable to the transmitter and a coaxial cable to the antenna

The mAT-125E has a range of 1.8 MHz to 54 MHz. The maximum acceptable PEP power is 120 watts. So this applies to SSB and CW. For PSK and Digimodes, the maximum acceptable power is 30 watts. It can tune virtually any coax-fed antenna. Use the HF kits ATU Choke BalUn to use the mAT-125E for a symmetrical antenna.

The antenna tuner has a wide tuning range, much larger than some other tuners, including the built-in tuners on many radios.

Operation

The mAT-125E operates independently without being controlled from a transceiver. The tuner contains two 18650 Li-ion batteries, so it does not require an external power supply. For charging the mAT-125E batteries, the tuner has a USB-C connection. The tuner uses a bi-stable relay to ensure long battery life.

The mAT-125E has 16,000 frequency memories. When you tune to or near a previously tuned frequency, the mAT-125E uses “Memory Tune” to recall the previous tuning parameters in a fraction of a second. If no memory is available, the tuner performs a full tuning cycle and stores the parameters for recall from memory on subsequent tuning cycles on that frequency. In this way, the mAT-125E “learns” as it is used and, over time, quickly adapts to previously used frequencies.

For your information:

Note that tuning is always done with limited transmit power (Max 10 Watts). This antenna tuner can also be manually adjusted, so you can manually search for an optimum, the correct setting can be saved with the “save” key. This will be linked to the frequency of work. This tuner also features three LEDs that roughly display the SWR. Use the HF kits ATU Choke BalUn to use the mAT-125E for a symmetrical (feedline) antenna.

Specifications

• 0.1 – 120 watts PEP (SSB and CW)
• 0.1 – 30 watts Continuous (Digimodes, PSK, FM, FT8)
• 1.8 – 54 MHz frequency range
• 16,000 Memory Places
• 0.1 -5 second tune time (full tune)
• 0.1 second from memory (memory tune)
• >500 mA current usage
• Dimensions: 20 x 13 x 4 cm
• Weight: 0.8 kg
• including 2x 18650 battery

User Manual

mAT-125E Operation_manual_en_v3.pdf