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A coupler, also known as a directional coupler or coupler distributor, is a widely used microwave device in microwave systems. It distributes microwave signal power according to a specific ratio. Power transmitted on the main line is coupled to the secondary line through multiple paths, causing interference between them, while the power in the secondary line is transmitted in only one direction.
| sequence | project | Technical parameters |
| 1 | Frequency range (MHz) | 136-174、350-380、400-480、806-870 |
| 2 | Coupling (dBm) | 5/10/15/20/25/30/35/40dB |
| 3 | VSWR | ≤1.3 |
| 4 | Insertion loss | 6dB-≤1.7/10dB≤1/15dB≤0.5/20dB≤0.1 |
| 5 | Isolation | ≥20dB |
| 6 | Power capacity (W) | 100 |
| 7 | Temperature range (°C) | -30~+60 |
| 8 | Impedance (Ω) | 50Ω |
| 9 | Connection type | N-KF |
A coupler, also known as a directional coupler or coupler distributor, is a widely used microwave device in microwave systems. It distributes microwave signal power according to a specific ratio. Power transmitted on the main line is coupled to the secondary line through multiple paths, causing interference between them, while the power in the secondary line is transmitted in only one direction.
| sequence | project | Technical parameters |
| 1 | Frequency range (MHz) | 136-174、350-380、400-480、806-870 |
| 2 | Coupling (dBm) | 5/10/15/20/25/30/35/40dB |
| 3 | VSWR | ≤1.3 |
| 4 | Insertion loss | 6dB-≤1.7/10dB≤1/15dB≤0.5/20dB≤0.1 |
| 5 | Isolation | ≥20dB |
| 6 | Power capacity (W) | 100 |
| 7 | Temperature range (°C) | -30~+60 |
| 8 | Impedance (Ω) | 50Ω |
| 9 | Connection type | N-KF |
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With over 16 years of innovation and growth, RETEVIS has crafted a wide range of two way radio walkie talkies, include industrial grade radios , long range radios, radio for construction site, business band radios, radio repeaters and wireless radio communication solutions. Trusted by millions of users worldwide, RETEVIS ensures reliable, clear, and instant communication across over 170 countries and regions, serving industries like construction, security, manufacturing, emergency response, and more.
At RETEVIS, we prioritize quality, with all radios or repeaters meeting international certifications like FCC and CE. Our R&D department continuously innovates to offer advanced radio solutions that meet the unique communication needs of our customers. Backed a professional staff group, we provide specialized technical support and customer service, ensuring a seamless experience for both individuals and businesses.View More
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