Indoor distribution amplifier FTE, separate VHF/UHF amplification with LTE filter and automatic gain control, with the following features:
Number of inputs: 3 (BIII+DAB / UHF / UHF)
Outputs: 1
Gain adjustment: 20 dB on all bands
Power supply: 220/230 Vac
Consumption: 6 W
Remote power supply: 12 Vdc – 80 mA on 1 UHF input
LTE filter: Integrated (790 MHz)
Type of amplification: Separate bands
Mounting: DIN rail
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The FTE MAX25-3UU distribution amplifier is a professional device for the distribution and amplification of digital terrestrial TV (DTT) signals from multiple antennas. Equipped with 3 separate inputs (BIII+DAB / UHF / UHF), it offers high signal quality, precise gain adjustment, and an automatic output level control system (AGC). The presence of the 4G LTE filter ensures a signal free from interference from mobile networks.
This distribution amplifier is designed with independent amplifiers for the VHF (BIII+DAB) and UHF bands, allowing fine gain adjustment on each input. The maximum gain reaches 25 dB, with a 20 dB adjustment for each band, offering great flexibility to adapt the system to different installation contexts.
The AGC (Automatic Gain Control) is an advanced feature that maintains a constant output level even with variations in the input signal, avoiding overloads and distortions. Additionally, the integrated 790 MHz LTE filter eliminates 4G signal interference, preserving TV signal quality.
The MAX25-3UU is self-powered at 230 Vac, with low energy consumption (6 W). It has a 12 Vdc / 80 mA output to remotely power any preamplifiers directly from one of the UHF inputs, simplifying installation and reducing the need for additional components.
The distribution amplifier is housed in a flame-retardant ABS shell, compact and safe, and can be easily installed on a DIN rail, making it suitable for electrical panels and junction boxes. The internal shielded metal frame ensures protection from electromagnetic interference and robustness.
Medium-sized domestic and residential installations
Systems with multiple antennas (VHF and UHF) oriented on different repeaters
TV distributions in small apartment buildings or villas
Contexts subject to LTE / 4G disturbances
Installations requiring constant and stabilized signal levels
| Number of inputs | 3 (BIII + DAB / UHF / UHF) |
| Supported bands | VHF: 174 ÷ 240 MHz | UHF: 470 ÷ 790 MHz |
| Number of outputs | 1 |
| Gain | VHF: 20 dB | UHF: 25 dB (each input) |
| Gain adjustment | Up to 20 dB on all bands |
| Maximum output level | VHF: 110 dBµV | UHF: 115 dBµV |
| Noise figure | ≤ 4 ÷ 6 dB |
| Type of amplification | Separate bands |
| LTE / 4G filter | Integrated (790 MHz) |
| AGC (Automatic Gain Control) | Yes |
| Remote power | 12 V DC – 80 mA on 1 UHF input |
| Power supply | 220 / 230 V AC – 50 Hz |
| Consumption | 6 W |
| Type of frame | Shielded metal |
| Enclosure | Flame-retardant ABS |
| Mounting | On DIN rail |
| Dimensions (W × H × D) | 150 × 60 × 100 mm |
| Operating temperature | -10 ÷ +50 °C |
| Compliance | RED Compliant |
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