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Flat rectangular indoor TV antenna with 3.0m coaxial cable and USB-powered amplifier

H-2 Technik

H-2 Technik DS0025 TV Antenna 30dBi 3.0m cable USB amplifier

SKU CH-1PN9-5D5G6

Indoor digital TV antenna with 25-30 dBi gain, 3.0 m cable and USB-powered amplifier for DVB-T2, DTMB, ATSC and ISDB reception

  • Featuressupporting DVB T2/DTMB/ATSC/ISDB
  • Strong UHF reception across 470-862 MHz
  • High 25-30 dBi gain for distant signals
  • USB 2.0 powered amplifier boosts weak signals
  • 0 m antenna cable plus .6 m amplifier lead
  • F-IEC adapter connects directly to TV inputs

Indoor UHF antenna for DVB T2 and ATSC

This DS0025 antenna receives UHF signals between 470 and 862 MHz with a gain of 25 to 30 dBi. It supports DVB T2, DTMB, ATSC and ISDB standards for digital television. The 75 ohm impedance and 1.8 VSWR provide efficient power transfer. Linear polarization suits typical broadcast orientations.

USB powered amplifier with 3.0 m cable

The amplifier draws 5 V DC from a USB 2.0 port and adds 0.6 m of cable to the 3.0 m antenna lead. An F to IEC adapter connects the F male plug to standard TV inputs. Operating range spans minus 20 to plus 80 degrees Celsius for indoor placement.

Directional high gain limits multi direction needs

The 25 to 30 dBi gain indicates a directional pattern that favours signals from one direction. Buyers who need omnidirectional reception or multiple transmitter sites may find this antenna less suitable. The fixed cable lengths restrict placement flexibility compared to modular designs.

Highlights

  • Strong UHF reception across 470-862 MHz
  • High 25-30 dBi gain for distant signals
  • USB 2.0 powered amplifier boosts weak signals
  • 0 m antenna cable plus .6 m amplifier lead
  • F-IEC adapter connects directly to TV inputs

Specifications

ModelDS0025
Featuressupporting DVB T2/DTMB/ATSC/ISDB

Questions about this item

How do I install the DS0025 antenna and what step do people often miss?

Connect the 3.0 m antenna cable and 0.6 m amplifier cable via their F-Male plugs, use the F-IEC adapter for the TV input, then power the amplifier from a USB 2.0 port — the step often missed is plugging in the USB power so the 25-30 dBi gain actually works.

What maintenance or replacement will the DS0025 need over time?

The antenna itself is passive and needs no scheduled maintenance; only the USB-powered amplifier or the 3.0 m coaxial cable would be replaced if they fail or if the connectors wear out.

What limit appears first when the DS0025 runs continuously in hot conditions?

The operating temperature ceiling of 80 °C is the first hard limit; beyond that the amplifier or cable materials can degrade and reception will drop.

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