About this item

• • • • • • External Antenna: Placed outside the building to capture the weak signal.
          • Amplifier/Booster Unit: Takes the weak signal and amplifies it.
          • Internal Antenna: Broadcasts the amplified signal inside the building.
        • Installation:
          • The external antenna is installed in a location where it can receive the best possible signal, typically on the roof.
          • A cable connects the external antenna to the amplifier unit, which is usually placed indoors.
          • The internal antenna then broadcasts the boosted signal within a specified coverage area.
        • Amplification:
          • The booster unit amplifies the incoming signal, increasing its strength.
          • This amplified signal is then transmitted through the internal antenna, providing better reception for mobile devices within its range.

• • Expert Car Phone Holder】Holdersafe car vent phone holder is equipped with movable slide rails and a 360° adjustable base, never blocking the A/C air vent, allowing you to obtain the most suitable viewing angle for your phone, The vent hook is up to 1.4 inches long, compatible with 99% of square air vents. Tips: Not compatible with round vents
  • 【Thick Case Compatible】Our Car Phone Holder uses an upgraded clamp arm with a rubber pad to protect your phone from scratches, the clip arm can hold mobile phones up to 1.05inch thick, perfectly compatible with thick cases, wallet cases, and battery cases, for you The mobile phone provides better stability and protection
  • 【2025 Upgrade One-Hand Operation】The Holdersafe car phone mount holder, designed for the iPhone and other cell phones, features an innovative structure that enables easy one-handed operation and quick installation. It is compatible with both horizontal and vertical air vents, making it an ideal choice for use in a car
  • 【Protect Car Air Vent】This Car phone holder is equipped with a stainless steel hook with a maximum extension of 35mm, and the contact surface between the base and the air outlet is equipped with rubber, which can protect your air outlet from damage
  • 【High Quality Car Phone Mount】Holdersafe car phone holder panel is made of soft silicone material, which provides perfect protection for the back of your phone. The holder itself is constructed with PC+ABS materials, which have better heat resistance and can withstand extreme temperatures ranging from -4°F to 194°F