Signal Hero Ultra 300 Pro

  • Application:

    4 Band
  • Coverage:

    up to 300 sqm
  • Ideal For:

  • Provider:

  • Frequency:

    700/1800/2100/2600 MHz
Free Trackable Delivery In AU Delivery time: 5-7 Business Days

Benefits and Features:

  • Instant Signal Boost of up to 5 bars
  • CE & RoHS ISO Certified Product
  • Easy Installation
  • Instant Technical Assistance
  • 2 -Year Warranty

$ 1095

Units Sold: 2542

Free Shipping

We provide 2 Years warranty on all our products
Upgrade your booster kit with our internal antenna for optimal performance in larger spaces.
Price Match Guarantee

  • Technical Sheet
  • NETWORK COVERAGE
    All Networks - Band 28, Band 8, Band 1 and Band 7 - 700/1800/2100/2600 Mhz
  • MAX GAIN
    72 decibels (dB) amplification
  • IMPEDANCE
    50 Ohm
  • POWER
    DC6-9V/AC100-220V
  • BOOSTER WEIGHT
    ≤0.9 kg
  • BOOSTER DIMENSIONS
    220 × 145 × 55 mm

FAQ

Reviews:

5.0

127 customer reviews

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Reviews (127) Questions (0)
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Noah B. Verified Customer2026/09/01

Working from the staff room was frustrating in the country cottage, where 4G appeared on the screen but was too unstable to use. The result is strongest near the indoor antenna, which is what we expected around the staff room in our country cottage. The strongest change is consistency rather than a dramatic number of bars across the staff room of our country cottage. Following the signal test carefully saved us from mounting the outdoor antenna in the wrong place during normal use in the staff room of the country cottage.

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    Ian F. Verified Customer2026/08/23

    The side office showed how poor the indoor coverage was, as the phones constantly searched between available bands. The Ultra 300 Pro has been a good fit for the side office in our converted shed without making the setup unnecessarily complicated. The supplied components suited the job, although choosing the correct antenna location took patience around the side office in our converted shed. 4G performance is much more stable, and compatible 5G service no longer disappears immediately across the side office of our converted shed. Video meetings are more stable, and ordinary web pages load without repeated refreshes during normal use in the side office of the converted shed.

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      Jack H. Verified Customer2026/08/08

      Inside our two-storey residence, the metal-roofed room was the worst spot because incoming calls often went straight to voicemail. The ordering process was straightforward and the technical guidance was practical around the metal-roofed room in our two-storey residence. The improvement is practical: clearer calls, faster messages and usable mobile internet across the metal-roofed room of our two-storey residence. Messages, banking apps and navigation updates now work from inside the building during normal use in the metal-roofed room of the two-storey residence.

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        Amelia P. Verified Customer2026/07/27

        The ground-floor workspace in our timber house had become difficult to use because the rear part of the building had no practical service. Phones connect faster, stay online longer and recover more quickly after a weak patch around the ground-floor workspace in our timber house. Both Telstra and Optus phones improved, though the exact result still varies by available outdoor signal across the ground-floor workspace of our timber house. The price gave us pause, but the day-to-day improvement has justified it during normal use in the ground-floor workspace of the timber house.

          Z
          Zoe R. Verified Customer2026/07/13

          Around the Toowoomba region, for months, the family room had poor reception because one room had service while the next had none. A quick reply from support resolved a cable question before we started drilling around the family room in our farmhouse. Supported 5G now reaches indoors more often, and 4G provides a stable fallback across the family room of our farmhouse.