{"product_id":"techoman-atu100-antenna-tuner-with-built-in-battery-maximum-100-watts-and-usb-charging","title":"TECHOMAN ATU100 ATU-100 Antenna Tuner With Built in Battery Maximum 100 Watts and USB Charging","description":"\u003cp\u003eThis popular TECHOMAN ATU-100 is an automatic antenna tuner based on the well-known open-source project by N7DDC. It's designed for HF transceivers and is designed for use for portable operations (POTA\/SOTA), mobile or low power temporary base station use.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eImportant Usage Tips\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eTo keep your gear in top shape and ensure you’re covered by your warranty, please keep the following in mind:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eWatch the Watts: Never exceed 20W while the tuner is actively seeking a match. High power during the tuning process can damage the internal components and circuit board.\u003c\/li\u003e\n\u003cli\u003eThe \"Perfect\" Match: Tuning aims to significantly improve your SWR for safe operation, though it may not always reach a flat 1:1.\u003c\/li\u003e\n\u003cli\u003eBest Fit: This unit excels at tuning antennas that are already near-resonant or harmonics of your target frequency.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIf you’re working with a non-resonant \"wet noodle\" antenna or high-impedance wires, we recommend checking out our range of \u003ca rel=\"noopener\" title=\"Antenna Tuners at Techoman\" href=\"https:\/\/techoman.co.nz\/search?q=antenna+tuner\" target=\"_blank\"\u003eManual tuners and Automatic Tuners available here at Techoman\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGeneral Specifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFrequency Range: 1.8 – 54 MHz (covers all amateur HF bands plus 6m)\u003c\/li\u003e\n\u003cli\u003eMaximum Working Power: 100 Watts Peak (SSB\/CW)\u003c\/li\u003e\n\u003cli\u003eTuning Power: 10 Watts required to trigger an auto-tune)\u003c\/li\u003e\n\u003cli\u003eMaximum Tuning Power: 20 Watts (Do not exceed this during the tuning process to avoid internal component damage)\u003c\/li\u003e\n\u003cli\u003eMinimum Measured Power: 0.1 Watt\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eHardware \u0026amp; Power:\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDisplay: 0.91-inch or 0.96-inch OLED (Monochrome).\u003c\/li\u003e\n\u003cli\u003eInternal Battery: Typically includes a 3.7V \/ 1800mAh Lithium-ion battery.\u003c\/li\u003e\n\u003cli\u003eCharging: Micro-USB port (visible on the front panel).\u003c\/li\u003e\n\u003cli\u003eCurrent Consumption: 100–400 mA (during tuning); negligible in standby.\u003c\/li\u003e\n\u003cli\u003eCase Material: Aluminium alloy.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eOperational Modes:\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAutomatic Mode: Triggers tuning when the SWR is detected above a set threshold (usually 3:1).\u003c\/li\u003e\n\u003cli\u003eManual Mode: Tuning is initiated by a long press of the green TUNE button.\u003c\/li\u003e\n\u003cli\u003eReset: A short press of the TUNE button resets the relays to a \"straight-through\" (bypass) position.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eTechnical Note:\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eTo ensure longevity, it is recommended to drop your transceiver's power to 10-20 Watts while the tuner is actively clicking through its relay cycles, then increase to your full 100 Watts once the \"TUNE\" indicator on the screen stops.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePlease Note:\u003c\/strong\u003e Be very careful when tuning (keep to 10-20 watts) and once tuned maximum of 100 watts.  Warranty is void if the ATU is opened, tuning has been undertaken at power above 20 watts or if the circuit board and\/or components on the circuit board are burnt or damaged with too high power input .\u003c\/p\u003e","brand":"TECHOMAN","offers":[{"title":"Default Title","offer_id":46028430278827,"sku":"TM2989 K6","price":129.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0277\/1661\/6275\/files\/TM2989_TECHOMAN_ATU100_2.png?v=1775854661","url":"https:\/\/techoman.co.nz\/products\/techoman-atu100-antenna-tuner-with-built-in-battery-maximum-100-watts-and-usb-charging","provider":"Techoman Electronics Ltd","version":"1.0","type":"link"}