Product introduction
Product Introduction
SMA male to BNC male and female
Wire : RG174
Insulation: expanded polyethylene (low loss)
Shielding: High-density tinned copper braid + aluminum foil (excellent shielding effect)
Protection: ethylene fluoride or PVC
Interface Type:SMA+BNC
Cable length: 5cm~200cm (length can be customized)
Wire parameters are explained
1. Core parameters
parameter | Typical values | standard |
characteristic impedance | 50 Ω ± 3 Ω | RF standard impedance |
Outside diameter | 2.8 mm (0.11 in) | Including the overall diameter of the sheath |
Central conductor | 7×0.16mm tinned copper stranded wire | Equivalent AWG 26 with good flexibility |
Insulation | PVC or PE foam | Low-cost solution (high losses) |
shielding | Tinned copper braid (coverage ≥95%) | Single-layer weave, basic shielding efficiency |
Sheath material | PVC | Flame retardant, flexible, and limited temperature resistance |
Speed of transmission | 66% Speed of Light (VF =0.66) | The signal latency is high |
2. Frequency and attenuation
frequency | Attenuation (dB/m) | Attenuation (dB/ft) | Application scenario risk warning |
100MHz | 0.21dB/m | 0.064dB/ft | Low frequencies are available |
500MHz | 0.48dB/m | 0.15dB/ft | 4G/LTE low band |
1GHz | 0.68dB/m | 0.21dB/ft | Bluetooth/Wi-Fi 2.4GHz |
2.4GHz | 1.10dB/m | 0.34dB/ft | Wi-Fi/IoT tipping point |
3GHz | 1.25dB/m | 0.38dB/ft | Losses began to increase dramatically |
5GHz | 1.65dB/m | 0.50dB/ft | Wi-Fi 5 bands (be careful with long wires!) ） |
6GHz | 1.82dB/m | 0.55dB/ft | Wi-Fi 6E band (strongly discouraged) |
3. Electrical performance
parameter | Value |
capacitance | 101 pF/m (30.8 pF/ft) |
Maximum operating voltage | 1,500 V RMS (25°C) |
Average power capacity | 330 watts |
Peak power capacity | 2.5 kW |
Stop the wave | ≤ 1.5:1 (DC-3 GHz) |
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SMA male to BNC male and female
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