Introduction to the 3400–3800MHz RF Repeater
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In the rapidly evolving landscape of wireless communications, the demand for reliable, high-performance signal amplification has never been greater. The 3400–3800MHz RF repeater stands out as a robust solution for extending coverage in challenging environments. Whether you are deploying a private LTE network or augmenting public 5G infrastructure, understanding the precise specifications of this equipment is critical. This article delves into the key parameters, operational features, and real-world applications of this advanced repeater, ensuring you have the technical insight needed for optimal deployment.
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Critical System Specifications for the Band 42/43 Repeater
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The repeater operates across the 3400–3800 MHz frequency range, commonly associated with 5G NR bands n78 and LTE Band 42/43. Its wideband design supports both downlink and uplink paths, providing a seamless link between base stations and end-user devices. The following table outlines the essential technical parameters that define its performance envelope.
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| Parameter | Downlink | Uplink |
|---|---|---|
| Frequency Range (MHz) | 3400–3800 | 3400–3800 |
| Bandwidth | Wideband | |
| Max. Total Output Power (dBm) | 40 ±2 | -10 ±2 |
| Automatic Level Control (ALC) Range | When input signal increases by ≤10 dB, output power maintains ±2 dB of max. When input increases by >10 dB, output either maintains ±2 dB or turns off. | |
| Maximum Allowable Input Level (dBm) | +10 | |
| Gain (dB) | 45 ±3 | 45 ±3 |
| Gain Adjustable Range (dB) | ≥30 | |
| Gain Adjustment Step Size (dB) | 1 | |
| Gain Adjustable Error (dB) | 0–10: ≤|±1.0|, 10–20: ≤|±1.0|, >20: ≤|±1.5| | |
| Frequency Error (ppm) | ≤0.01 | |
| Ripple In Band (dB) | ≤6 | |
| VSWR | ≤1.5 | |
| Noise Figure (dB) | ≤5 | |
| Time Delay (µs) | ≤1 | |
| EVM | ≤6% | |
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Spurious Emission and Linearity Performance
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Maintaining spectral purity is vital for coexistence with adjacent services. The repeater’s spurious emission levels are strictly controlled across various offset frequencies, as detailed below.
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| Frequency Range | Measurement Bandwidth | Limit (dBm) |
|---|---|---|
| 9 kHz – 150 kHz | 1 kHz | ≤-36 |
| 150 kHz – 30 MHz | 10 kHz | ≤-36 |
| 30 MHz – 1 GHz | 100 kHz | ≤-36 |
| 1 GHz – 12.75 GHz | 1 MHz | ≤-30 |
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The Adjacent Channel Leakage Ratio (ACLR) ensures minimal interference to neighboring channels, with values of ≤-40 dBc at ±20 MHz offset and ≤-45 dBc at ±40 MHz offset.
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Physical and Environmental Characteristics of the 3400–3800MHz RF Repeater
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Beyond electrical specifications, the mechanical design ensures durability in harsh conditions. The housing is constructed from aluminum alloy die-casting, offering excellent thermal management and structural integrity. With an IP65 rating, the unit resists dust ingress and water jets, making it suitable for outdoor tower or rooftop installations.
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| Parameter | Specification |
|---|---|
| Power Supply | AC 176–240V @ 50/60Hz |
| Power Consumption | ≤150 W |
| Operating Temperature | -25°C to +55°C (humidity ≤95%) |
| RF Connector | N-Female |
| Waterproof Rating | IP65 |
| Dimensions (mm) | 450 × 315 × 180 |
| Weight | ≤16 kg |
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Key Operational Features and Benefits of the 3400–3800MHz RF Repeater
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This repeater is engineered for flexibility and ease of use. The automatic level control (ALC) ensures that output power remains stable even when input levels fluctuate, protecting both the repeater and downstream equipment. The gain adjustment range of ≥30 dB, with 1 dB step increments, allows fine-tuning to match specific link budgets. A frequency error of just ≤0.01 ppm guarantees minimal drift, preserving signal integrity over long periods.
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Additional intelligent features include automatic gain adjustment, power indication LEDs, and a robust waterproof chassis. The EVM of ≤6% ensures that complex modulated signals, such as 256-QAM, are faithfully replicated, making this unit ideal for 5G NR deployments that demand high spectral efficiency.
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Conclusion: Why the 3400–3800MHz RF Repeater is a Smart Investment
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The 3400–3800MHz RF repeater delivers a compelling combination of high output power, low noise, and precise control. Its ability to operate across a wide frequency range with excellent linearity and minimal delay makes it a versatile tool for network operators. Whether you are addressing coverage gaps in urban canyons or extending signal range in rural areas, this unit provides the performance and reliability required for modern wireless systems. By choosing this repeater, you invest in technology that scales with your network needs, ensuring consistent connectivity for years to come.
