Johansson, a part of the UnitronGroup, specializes in custom IP and Radio-Frequency (RF) solutions, offering high-quality TV preamplifiers, modulators, and filters.
Johansson, a brand of the UnitronGroup, is a leading technology partner for customized IP and Radio-Frequency (RF) solutions. They design and manufacture advanced equipment for television signal reception and distribution, including programmable filter amplifiers, universal HDMI modulators, wideband amplifiers, and smart pre-amplifiers.
Their state-of-the-art products are widely used in both residential and hospitality markets to optimize terrestrial VHF/UHF, FM, and satellite signals. By incorporating features like real-time automatic gain control (AGC) and LTE/5G rejection, Johansson ensures reliable performance, high-quality images, and minimal interference for custom installations worldwide.
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Unpower the unit, push the button and keep pushing it while repowering. Release when the display shows 'RESET FINISHED', then follow the on-screen prompts to set the region.
The default master lock code is 50. It is fixed and cannot be changed if you forget your custom code.
Most Johansson pre-amplifiers operate efficiently with a 12-24 VDC power supply, often using a dedicated power inserter or connected directly via the output connector (e.g., using Johansson Power Supply ref. 2438).
You can reach Johansson (UnitronGroup) at +32 57 33 33 63 or via email at sales@unitrongroup.com for technical support and warranty inquiries.