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The 4G antenna is based on smart antenna technology to IPEX 400MM
Classification:
Wire and Cable
- Product Description
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- Commodity name: The 4G antenna is based on smart antenna technology to IPEX 400MM
The 4G antenna is based on smart antenna technology to achieve signal optimization, and the core principles include:
Spatial Division Multiple Access (SDMA): By dynamically adjusting the beam direction through multiple antenna arrays, the target signal is enhanced and interference is suppressed to improve spectrum utilization.
MIMO technology: uses multiple antennas to transmit data in parallel, and improves speed and reliability through spatial multiplexing (multi-path transmission) and spatial diversity (anti signal attenuation). For example, in densely populated areas such as stations, multiple user requests can be processed simultaneously to avoid network congestion.
Workflow:
Transmitting end: The user equipment modulates the data into an RF signal, which is transmitted to the base station through the antenna.
Receiver: The antenna captures the base station signal, which is then demodulated, decoded, and restored to data (such as video or text).
Main technical parameters and indicators
Key parameters directly affect antenna performance and need to be selected according to the scenario:
Gain (unit: dBi): measures the signal amplification capability, the higher the gain, the farther the coverage (e.g. outdoor requires ≥ 5dBi).
Frequency range: It needs to cover mainstream 4G frequency bands (such as LTE B1/B3/B5/B8), and all network antennas support multi band compatibility.
Protection level (IP standard): IP67 or above waterproof and dustproof is required for outdoor scenarios (such as charging stations and car antennas).
Radiation performance: including beamwidth (horizontal/vertical half power angle) and front to back ratio, affecting signal directional accuracy.
Classification and Application Scenarios
Divided into four categories based on structure and purpose:
External antenna:
Rod antenna: High gain (5-10dBi), suitable for routers and CPE devices (such as Huawei B315).
Suction cup antenna: magnetic suction installation, used for vehicle and cabinet (such as logistics vehicle GPS tracking).
Built in antenna:
PCB patch antenna: integrated into mobile phones/tablets, saving space but with low gain (≤ 3dBi).
FPC antenna: flexible design, pasted on non-metallic shell (such as shared bicycle scanning terminal).
Typical scenario:
Indoor: Flat panel antenna (WiFi router).
Outdoor: Waterproof cannon barrel antenna (base station, ship)
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