This RCA balun is ideal for corporate A/V, school, home theater and most of any other situation involving structured audio distribution and transmits dual mono or single stereo audio signals via Cat.5/6 UTP cable. This balun provides a low cost and versatile cabling solution for any audio distribution. ‧Specification 1. Bandwidth: Video DC to 8 MHz Audio 20 Hz to 50 KHz 2. Insertion Loss: ≦2db over the frequency range from DC to 8 MHz 3. Return Loss: ≧15db over the frequency range from DC to 8 MHz 4. Common Mode Rejection: ≧40db at 8 MHz 5. Impedance   Video: 75 ohm   Audio: 600 ohm 6. Cable   UTP: 24AWG or lower solid copper twisted pair wire.   Impedance: 100 ohm at 1 MHz   Max. Capacitance: 20 pf / ft   Attenuation: 6.6db / 1000ft at 1 MHz 7. Pin out   Video: 7&8, pair 4   Left: 3&6, pair 3   Right: 1&2, pair 2 8. Transmission Distance   Color Video: 2200 feet (Cat.5 UTP)   Audio: 5000 feet (Cat.5 UTP) 9. Dimensions: 82x58x25mm