and high quality Made of high-quality materials, Ideal for sampling transmitter measurement. Ideal for signal monitoring or adaptive predistortion. Special engineering one-division and two-cavity coupler Specifications: Frequency: 800MHz-2500MHz Power treatment: 200 watts Coupling: 40DB Insertion loss: Less than 0.05dB (including coupling) Impedance: 50 ohms Station wave ratio: ≤1.20 Isolation: ≥20dB Range: -40°C-80°C Product application: widely used in communication, ra dar and indoor distributions, etc. Colour:black Material:Plastic + Metal Frequency band: 3700MHz Package Contents: 1 * Coupler Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.