Advanced RF Power Amplifier Modules for Public Security Applications
nnOur RF power amplifier modules are engineered to support public security hotspot collection equipment, playing a critical role in maintaining social stability and public safety. These modules come in three specialized configurations: fallback amplifiers, APD (Avalanche Photodiode) amplifiers, and high-efficiency amplifiers. Designed for deployment in crowded urban areas and critical infrastructure facilities, they excel at accurately detecting and pinpointing abnormal signal sources. By identifying potential security threats with precision, these devices help prevent risks before they escalate, ensuring that public safety teams can respond effectively.nn
Comprehensive Protection and Monitoring Capabilities
nnThe RF power module amplifier offers a robust suite of protection and monitoring functions, making it highly reliable in demanding environments. One key feature is the VSWR (Voltage Standing Wave Ratio) alarm, which continuously monitors impedance matching. When signal anomalies occur, it triggers alerts, enabling quick isolation and repair of faults. Additionally, the built-in temperature alarm tracks internal heat levels and issues warnings during overheating, preventing costly damage to the module. These proactive safeguards ensure longevity and consistent performance.nnAnother essential capability is input and output power detection, which measures power loss across the system. This data helps technicians evaluate and optimize overall performance, maintaining peak efficiency. Over-power and current alarms work in tandem to maintain safe electrical operation, shutting down or alerting operators to potential hazards. Together, these monitoring features reduce downtime and enhance operational security.nn
High Compatibility with Multi-Standard Networks
nnThese RF power amplifier modules support a wide range of communication standards, including FDD-LTE, TDD-LTE, WCDMA, and CDMA. This versatility allows them to integrate seamlessly with various devices and network architectures, from traditional systems to modern 4G and 5G environments. As a result, public security hotspot collection equipment can operate across diverse infrastructures, fully meeting the needs of law enforcement and emergency response teams who require reliable signal detection and analysis.nn
Technical Specifications: Transmitter and Receiver Performance
nnThe following table outlines the detailed parameters for the Transmitter Channel (Power Amplifier or PA) and Receiver Channel (Low Noise Amplifier or LNA), ensuring clarity for engineering and procurement decisions.nn
| Item Indicator | Transmitter Channel (PA) | Receiver Channel (LNA) |
|---|---|---|
| Working Frequency | 925～960MHz | 880～915MHz |
| Saturated Power Output | 43±1dBm | -10±1dBm |
| Gain | 50±1dB | 25±1dB |
| Gain Adjustment Range | ≥25dB | ≥25dB |
| Gain Adjustment Step | 1dB | 1dB |
| ALC Automatic Level Control | ≥10dB | / |
| In-band Flatness | ≤2.0dB | ≤2.0dB |
| ACPR | ≤-45dBc | / |
| EVM | ≤5% | / |
| Noise Figure | / | ≤1.8dB |
| Maximum Lossless Input | 0dBm | -10dBm |
| Out-of-band Spurs | 9kHz～1GHz@≤-36dBm/30kHz; 1GHz～12.75GHz@≤-30dBm/30KHz | 9kHz～1GHz@≤-36dBm/30kHz; 1GHz～12.75GHz@≤-30dBm/30KHz |
| VSWR | ≤1.5 | ≤1.5 |
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Electrical and Environmental Operating Conditions
nnBelow are the electrical and environmental parameters for the RF power module amplifier:nn
| Parameter | Value |
|---|---|
| Working Current/Voltage | ≤3.5A / DC+28V |
| Working Temperature | -25～+55℃ |
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RF Port and Connector Specifications
nnThe module features specific ports and connectors designed for reliable integration:nn
| Port / Connector | Description |
|---|---|
| PA IN | Power Amplifier Input |
| LNA IN | Low Noise Amplifier Input |
| LNA OUT Ports | MCX-KHD |
| PA OUT Ports | SMA-KHD |
| Connector | 5569 Connector, Pitch 4.2MM, Bent Pin Block 2*3PIN |
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Monitoring Interface Details
nnFor remote diagnostics and control, the RF power module amplifier includes a dedicated monitoring interface:nn
| Pin Number | Function |
|---|---|
| Pin 1 | RS485A |
| Pin 2 | L/EN (N.C.) |
| Pin 3 | P/EN (N.C.) |
| Pin 4 | RS485B |
| Pin 5 | GND |
| Pin 6 | +28V |
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Monitoring Protocol and Physical Dimensions
nnThe module uses an RS485 monitoring protocol with a selectable baud rate of 9600 or 19200 (factory default is 19200). The compact amplifier size measures 130 x 110 x 21 mm, enabling easy installation within space-constrained racks or equipment cabinets.nn
Conclusion: Reliable RF Power Amplifier Modules for Critical Missions
nnIn summary, these RF power amplifier modules deliver exceptional performance for public safety applications, combining multi-standard support, robust protection features, and precise monitoring. By integrating these modules into hotspot collection equipment, security teams gain the ability to detect and respond to signal abnormalities with confidence. With their high compatibility across 4G, 5G, and legacy networks, they remain a versatile and essential component for ensuring social stability and public safety in crowded areas and key facilities. The thoughtful engineering behind the RF power module amplifier makes it a trusted solution for safeguarding our communities.
