Asus ANT-4G-9/2 External Wi-Fi Antenna Omnidirectional 2dBi with SMA Connection
Connection SMA, Frequency 850 – 2170GHz, Gain 2dBi
Filters
- Omnidirectional: They emit signals in all horizontal directions (360 degrees). Suitable for networks where users or devices are located around the antenna. Not efficient for long-distance communication.
- Directional: They focus the transmission in a specific direction. Greater range compared to Omnidirectional. Requires precise alignment with the target device.
- Sectorial: They emit in a specific arc (e.g., 60°, 90°, 120°). Good balance between coverage and directionality. Multiple antennas are required for full 360° coverage.
- Parabolic: They use a parabolic reflector for highly concentrated transmission. Excellent performance for long-distance communication. Require precision in alignment.
- Indoor Signal Boost: Ideal for replacing the router's factory antennas, offering wider coverage in all directions within the space.
- Point-to-Point Connection: Designed to send a "beam" signal to a specific point (e.g. from a house to a warehouse or an opposite building) over long distances.
- 4G/5G Router Signal Enhancement: Special external antennas that connect to routers with a SIM card for more stable internet and higher speeds in areas with weak mobile signal.
- Low (up to 5dBi): Ideal for replacing internal router antennas. They offer uniform coverage at a short distance (same room).
- Medium (5-10dBi): For improved coverage in adjacent rooms or floors. They increase range by more easily penetrating obstacles such as walls.
- High (10dBi and above): Designed for long distances and outdoor use (Point-to-Point). Recommended for connecting buildings or remote locations.
- (802.11ax Extended) Adds the new 6 GHz band. Almost zero interference and next-generation speeds. Requires a compatible Wi-Fi 6E router/card.
- Wi‑Fi 6: (802.11ax) Modern standard for 2.4 GHz & 5 GHz. Offers stability in areas with many connected devices and reduced lag.
- Wi‑Fi 5: (802.11ac) High speeds on the 5 GHz band. Ideal for HD streaming and gaming. Requires line of sight or short distances for maximum performance.
- Wi‑Fi 4: (802.11n) Basic coverage. Operates mainly at 2.4 GHz. Suitable for simple browsing, smart home devices, and long distances with low speed.
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