ITEM NAME:2x Video Transmitter BNC balun Two Wire for CCTV / waterproof camera monito X7J3 2x Video Transmitter BNC balun Two Wire for CCTV / waterproof camera monito X7J3 The video via CAT5 UTP cable transmission. Excellent immunity to noise and protection against overvoltage. When used with a passive transmitter-receiver, the scope of this full-motion CCTV Video Balun is up to 330m Need to deduct any other tool or son, and this product is easy to install SECAM video formats NTSC, PAL and necessary No power 60dB crosstalk and noise immunity the compact size and easy response in frequency installation: DC 8 MHz Attenuation: 0.5 dB typ CMRR 60DB Impedance BNC: 75 Impedance: 100 operating temperature: -10 ℃ to + 70 ℃ storage temperature: -30 ℃ to + 70 ℃ Moisture: 0 to 95% Dimension: 180 x 17 x 15 mm (excluding connectors) Material: ABS plastic 2 x Video Transceiver Note:Light shooting 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 +/- 1-3 cm..When used with a passive transmitter-receiver, the scope of this full-motion CCTV Video Balun is up to 330m. 60DB Impedance BNC: 75. The video via CAT5 UTP cable transmission. SECAM video formats NTSC, PAL and necessary No power.