Labgear RF Modulator This compact unit allows modulation of CCTV signals for easy distribution. It can be piggy-backed to use more than one signal. The unit has an accurate digitally displayed channel selection, channels 21-69. Digital channel display Scart A/V input Screw on F-connectors for secure RF connections RF output ranges from 470 to 860 MHz (UHF band) Supports PAL-G - PAL-I - PAL-K. Guide & Specification: https://www.labgear.co.uk/wp-content/uploads/2020/07/MOD121-flyer.pdf Supplied with user manual Included: 1 x Labgear UHF Mini RF Modulator. Easy set-up -Pre-configured for UK TV integration• Clear readout -3 digit LED display shows selected channel number• Highly adaptable - Can operate on cable TV networks• Auto recovery - returns to selected channel aftera power-cut• PLL controlled frequency for rock-solid stability• Output level adjustment - increase for longer cable runs• Double side-band modulation for non-adjacent channels onlySignal sourcesAny analogue AV signal source can be converted and distributed via the MOD121 including older CCTV equipment and otherAV sources.Compatible DisplaysPlease note you will need a TV with a built in analogue tuner to view the output of the MOD121.