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Labgear RF Analogue Modulator MOD121

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Product Description



The Labgear MOD121 is a high quality RF Analogue Modulator with a digital channel display. Easy set-up analogue modulator pre-configured for UK TV integration.

Use the MOD121 RF Modulator to distribute the signal from any AV device (satellite box, VCR, DVD Player etc.) to all the TVs in your home - using coaxial cable and an aerial amplifier.

Key features:

  • Easy set-up – Pre-configured for UK TV integration
  • RF Output Frequency Range 47-870MHz
  • Output Level 90dBuV
  • Clear readout – 3 digit LED display shows selected channel number
  • Highly adaptable – Can operate on cable TV networks
  • Auto recovery – returns to selected channel after a 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 only

Signal Sources:

Any analogue AV signal source can be converted and distributed via the MOD121 including older CCTV equipment and other AV sources.

How Do You Use It?

The MOD121 is easy to set up. It simply plugs into the TV's existing coax/RF socket. There are channel up and a channel down switches on the front which allows the AV signal to be viewed on TV channels that you choose covering TV channels 21 to 69. The digital display tells you which channel is currently selected. This means that the output (whatever the source) can be viewed on TVs without a spare Scart socket or without any Scart socket at all.

 PLEASE NOTE: You will need a TV with a built in analogue tuner to view the output of the MOD121.

Labgear Analogue RF Modulator MOD121

Technical Specification:

Frequency range 47-870MHz
Output Level 90dBuV
Input Level 0.8Vp-p for 80%
  ± 10% modulation
Input Level addition 0.4Vp-p ~ 0.8Vp-p
S/N Ratio 55dB
A/V Ratio -15 ± 2dB
Frequency Response ± 2.5dB (50Hz - 4.2 MHz)
Visual Carrier ± 5KHz
Output Return Loss 14dB
Spurious Rejection 50dB
Audio Carrier Deviation ±50KHz
Audio Carrier Response ±2dB
Output Impedance 75 Ohm
AC Power Input 230V~50Hz

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