Product introduction
Product Introduction
TNC180° Male to TNC90° Male Cable: LMR195 RF Coaxial Cable
Interface Type: TNC
Cable length: 5cm ~200cm (length can be customized)
LMR195 RF coaxial cable parameter description
1. Core parameters
parameter | Typical values | standard |
characteristic impedance | 50Ω | Full Band Matching (DC-6 GHz) |
Outside diameter | 4.95mm (0.195 in) | Flexible polyolefin sheath, UV resistant |
Central conductor | Solid Copper-Clad Aluminum (CCA) | Diameter 1.12 mm (AWG 18) |
Insulation | High-density polyethylene foam (HDFoam® PE) | Loss tangent 0.0003 |
shielding | Triple shielding structure | (1) Aluminum foil longitudinal wrap (100% coverage) (2) Tinned copper woven mesh (≥95%) (3) Tinned copper woven mesh ( ≥40%) |
jacket | Black Flame Retardant Polyolefins (FR-PO) | UL 1666 flame retardant certified |
Frequency range | DC ~ 6 GHz | Support 5G Sub-6 GHz (n77/n78/n79) |
attenuation | 100 MHz: 1.5 dB/30m 900 MHz: 4.5 dB/30m 2.4 GHz: 7.5 dB/30m 6 GHz: 12.8 dB/30m | 52% lower than RG58 (@2.4GHz) |
Voltage VSWR | ≤ 1.25:1 (0-6 GHz) | It needs to be matched with N-type or DIN connectors |
Minimum bend radius | Static: 25 mm Dynamic: 50 mm | Bending life >5,000 times (90° bending) |
Maximum pulling force | 220 N (Short-term) / 70 N (Long-term) | Tension limit at installation |
Operating temperature | -55°C ~ +85°C | Sheath High Temperature Resistance +125°C (Short-Term) |
Speed of transmission | 86% speed of light | Latency 3.98 ns/m |
Shielding efficiency | ≥ 100 dB (1 GHz) | Exceeds FCC Part 15 standards |
Voltage level | 1,500 Vrms (peak) | Insulation withstand voltage ≥ 5 kV DC |
2. Performance comparison
frequency | LMR195 Loss (dB/30m) | RG213 Loss (dB/30m) | Savings |
400MHz | 2.1 | 3.9 | 46% |
1.8GHz | 6 | 10.2 | 41% |
3.5GHz | 8.8 | 15 | 41% |
3. Typical applicable scenarios
scenario | Recommended length | Connector Scheme | advantage |
5G base station antenna jumper | <3m | N-type male | Low loss guarantees signal quality |
Indoor distribution system | 10 ~30m | SMA straight | Flexibility facilitates threading and routing |
UAV image transmission link | 0.5~2m | MMCX micro connectors | Lightweight (wire weight 26g/m) |
On-board radio feeder | 5~ 10m | PL-259/UHF | Excellent vibration resistance |
Selection guide
1. Specifications and characteristics of commonly adapted cables
Model | Outside diameter | Central conductor | 3GHz loss | peculiarity | Applicable scenarios |
RG-174 | 2.8mm | 7*0.16mm | 0.82dB/m | Flexible, easy to install, and low cost | Consumer electronics |
RG-316 | 2.6mm | 7*0.1mm | 0.84dB/m | High temperature resistance, military industry standards | High temperature environment, test instruments |
Micro foamed PE wire | 1.5~2.2mm | 0.3~0.5mm | 0.50dB/m | High frequency loss is low | 5G/Wi-Fi |
Semi-steel wire | 1.0~3.0mm | Solid copper | 0.30dB/m | Relatively stable and good shielding | Test calibration, mmWave front |
2. Comparison of key parameters and selection logic
2.1 Electrical performance priority
parameter | RG-174 | RG-316 | Foamed PE wire | effect |
Attenuation @6GHz | 1.8dBm/m | 1.7dBm/m | 0.9dBm/m | High-frequency signal integrity |
Shielding efficiency | 70dB | 90dB | >90dB | Anti-interference ability |
Impedance stability | ±3Ω | ±2Ω | ± 1Ω | Reflected signal suppression |
2.2 Mechanical and environmental adaptability
parameter | RG-174 | RG-316 | Foamed PE wire |
Minimum bend radius | 15mm | 25mm | 30mm |
Temperature range | -40℃ ~ +85℃ | -65℃ ~ +200℃ | -50℃ ~ +85℃ |
tensile strength | medium | Tall | Low (easily damaged) |
3. Typical application scenarios are matched with cables
3.1 Consumer electronics
(Bluetooth/Wi-Fi)
Cable: RG-174
Reason: Cost sensitive, frequency ≤ 5GHz, short length (<0.3m) and controllable loss.
3.2 Test Instrument Jumper (Vector Network Analyzer)
Cable: RG-316 or low-loss foam cable (e.g. Times LMR-200)
Reason: It needs to be resistant to plugging and unplugging, low loss (high calibration accuracy requirements).
3.3 Vehicle radar/5G small cell station
Cable: PTFE insulated foam wire (e.g. Gore G-FLEX 150)
Reason: 6~24GHz low loss requirements, outer diameter ≤2mm for easy wiring.
3.4 Military equipment
Cable: RG-316 (Mi-Label MIL-DTL-17)
Reason: Resistant to extreme temperatures, vibration, and high shielding requirements.
4. Supplementary instructions
4.1 Outer diameter mismatch: MCX connectors usually support 1.0~3.0mm wire diameter, which needs to be customized beyond the range (such as micro wires require a dedicated MCX head).
4.2 High frequency loss: RG-174 has 2 times higher loss than foamed PE wire at 6GHz, and is avoided for long-distance transmission.
4.3 Phase stability: For phase-sensitive applications (phased arrays), prefer semi-rigid wires or phase-stabilized cables (such as Huber+Suhner S100).
4.4 Connector Grade: Gold-plated contacts MCX (non-nickel plated) are selected to ensure a > 500 plugging and unmating life.
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TNC180° male head to TNC90° male head
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