1) Full-motion CCTV video, at distance up to 330m when used with any passive transceiver 2) Up to 1500m with any active UTP video receiver 3) NTSC / PAL / SECAM video formats 4) No power required 5) 60 dB crosstalk and noise immunity 6) Frequency response: DC TO 8MHz 7) Attenuation: 0.5dB typ 8) CMRR: 60dB 9) Impedance: BNC / 75 ohms Terminal / 100 ohms 10) Dimensions: 200 x 25 x 19mm

http://olla.gr/1-ch-passive-video-balun-super-anti-jamming-capability/