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RP-SMA Female To RP-SMA Male RG78 Coaxial Cable
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RP-SMA Female To RP-SMA Male RG78 Coaxial Cable

Product specifications:
Connector 1: RP-SMA Female
Connector 2: RP-SMA Male
Cable type:RG178 cable or customized
Frequency range:DC/6GHz
Voltage withstand:1000V maximum
Jacket spark voltage:3000Vrms
Durability:≥500 cycles
Inner Conductor:Phosphor Bronze
Coupling Nut:Brass
  • RF10055

  • Keesun

  • RF10055

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In today's hyper-connected world, the performance of your wireless network is often limited not by your equipment, but by the quality of the cable connecting it. For professionals and enthusiasts dealing with high-frequency Radio Frequency (RF) signals, signal loss is the enemy. Introducing the premium RP-SMA Female to RP-SMA Male RG78 Coaxial Extension Cable—a crucial component engineered to eliminate signal degradation, extend your antenna reach, and ensure maximum data throughput. If you're looking to optimize a long-range Wi-Fi system, boost a cellular signal, or perfect an IoT network, this is the 50-ohm solution that delivers the power of your antenna where it's needed most. This robust cable is your strategic upgrade for superior signal integrity and unparalleled system reliability.

Engineered for Excellence: The RG78 Low-Loss Coaxial Advantage

Choosing the right coaxial cable is the single most important decision after selecting your antenna. The RG78 low-loss coax is a significant upgrade over standard, high-attenuation cables, offering professional-grade performance that directly translates into measurable benefits for your wireless systems.

Unmatched Signal Integrity with Low Attenuation

The primary benefit of the RG78 construction is its ability to minimize signal loss, or attenuation, especially at the higher frequencies used by modern wireless technologies.

  • Boost Effective Range: By preserving more of the transmitted power, this cable directly functions as a Wi-Fi signal booster by effectively increasing your system's output. A stronger signal reaching the antenna means a longer transmission and reception range.

    Minimal Impedance Mismatch: Designed to maintain a precise 50-ohm impedance, the RG78 cable drastically reduces VSWR (Voltage Standing Wave Ratio). Low VSWR prevents signal reflections, ensuring that the maximum power is transferred between your device and the antenna, safeguarding your radio equipment and optimizing efficiency.

Robust Shielding Against Interference

In dense environments, electromagnetic interference (EMI) and radio frequency interference (RFI) can cripple performance. The RG78 Coaxial Cable features a superior shielding design to combat these issues.

  • Noise Immunity: Its multi-layer shielding acts as a fortress, isolating the center conductor and protecting your data stream from external noise sources like microwaves, Bluetooth devices, and other electrical equipment. This results in a cleaner, clearer signal for more reliable data transfer and fewer dropped connections.

  • Durable and Weather-Resistant: The cable jacket is built to withstand challenging installation conditions. This durability ensures a longer product lifespan, making it suitable for both complex indoor cable routing and protected outdoor antenna installations.

Robust Shielding Against Interference

In dense environments, electromagnetic interference (EMI) and radio frequency interference (RFI) can cripple performance. The RG78 Coaxial Cable features a superior shielding design to combat these issues.

  • Noise Immunity: Its multi-layer shielding acts as a fortress, isolating the center conductor and protecting your data stream from external noise sources like microwaves, Bluetooth devices, and other electrical equipment. This results in a cleaner, clearer signal for more reliable data transfer and fewer dropped connections.

  • Durable and Weather-Resistant: The cable jacket is built to withstand challenging installation conditions. This durability ensures a longer product lifespan, making it suitable for both complex indoor cable routing and protected outdoor antenna installations.

Essential Application Scenarios

The high-quality performance of this RP-SMA low-loss coax is non-negotiable for demanding wireless setups across various industries.

1. Professional Wi-Fi and Enterprise Networking

For IT professionals and home users alike, the most immediate benefit is optimizing network coverage.

  • Antenna Relocation: The primary use of this RP-SMA extension cable is to detach the antenna from a poorly located device (e.g., inside a wiring closet or behind a metal desk) and position it centrally or high up on a wall or ceiling for optimal line-of-sight signal coverage.

  • Wireless Bridge Setup: Indispensable for connecting outdoor, directional antennas to indoor network equipment, ensuring the signal remains strong over the necessary cable length for a stable wireless bridge or repeater system.

2. IoT, LoRaWAN, and Cellular Signal Boosting

In long-distance or high-stakes communication, signal preservation is paramount.

  • LoRa/Helium Miners: Maximizing the height and clear view of a Helium miner or LoRaWAN gateway antenna is vital for maximizing network coverage. This cable enables you to run the antenna cable long distances while minimizing the critical loss that directly impacts proof-of-coverage rewards and network efficiency.

  • 4G/5G/LTE Modems: When using an external high-gain antenna with a cellular modem to combat poor cell service, this low-loss cable ensures the maximum possible signal reaches the modem, leading to faster data speeds and reliable connectivity where traditional modems struggle.

3. RF Testing and Prototyping

The consistent 50-ohm performance makes it ideal for lab environments where precision is key.

  • Test Benches: Provides a high-quality jumper for connecting spectrum analyzers, signal generators, and oscilloscopes to test antennas or prototype wireless devices, ensuring measurements are accurate and not skewed by cable loss.

Specifications and Call to Action

The RP-SMA Female To RP-SMA Male RG78 Coaxial Cable is not just an accessory; it is a performance-enhancing component.

Feature Benefit
Cable Type RG78 Coaxial (Low-Loss)
Impedance 50 Ohm
Connector A RP-SMA Female (Jack)
Connector B RP-SMA Male (Plug)
Center Contacts Gold-Plated Brass
Key Performance Superior attenuation characteristics compared to RG174/RG58

Don't compromise your wireless performance with cheap, generic cables. Upgrade to the stability, reliability, and extended range that only an RG78 low-loss coax solution can provide.


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Shenzhen Keesun Technology Co.,Ltd was founded in Aug of 2012, a high-tech enterprise specializing in various types of antenna and network cable manufacturing.

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