Vision 4-Way 20dB Variable Gain High Energy Masthead Amplifier Ch21-60

Vision 4-Way 20dB Variable Gain High Energy Masthead Amplifier Ch21-60

  code: V20-4260L

Vision 4-Way 20dB Variable Gain - High Energy Masthead Amplifier Ch21-60

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  • Free 1st Class UK Delivery when you spend £300.00
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Vision 4-Way 20dB Variable Gain - High Energy Masthead Amplifier Ch21-60

Ultra low noise figure down to 1.4dB & super flat gain response ±0.5dB. Low power consumption, 5V to 12V DC working. Fully screened with gold F-connectors for superior connectivity. SMD technology with compartmentalised screening for high performance. Accepts “type 125” coaxial cables and connectors for extra long cable runs. High quality ventilated weatherproof PE housing (IP53 rated). Designed and built in the UK. Masthead amplifier and PSU kits available.

Technical Specification

Model: V20-4260

Input Frequency: 470-790MHz

No of Inputs: 1

No of Outputs: 4

Gain: 20dB (8-20dB)

Gain Flatness: ±0.5dB

Interstage Level Adjustment: 0-12dB

Maximum Output Level*: 106dBμV

Maximum Input Level**: 98dBμV

Noise Figure: 1.4dB

Filter Rejection: 400MHz -42dB / 820MHz -30dB

DC Power: 5V to 12V

Power Consumption: 77mA

Connector: Gold plated F-female

Fixing: Nylon-tie up to 60mm masts / or bulkhead screw fixing

Internal module: Pressed fully screened compartmentalised electronics module

Housing: Ventilated ABS weatherproof moulding IP53 rated

Dimension / Packed Weight: 100mm x 84mm x 56mm / 154g

DC PSU when purchased as a kit: V23-2102 / V23-2110 12V 100mA with short circuit and overload protection

When amplifying weak digital signals, amplifier noise figure (N/F) is critical. The noise of the amplifier will be added to the noise of the incoming weak signal. The lower the amplifier Noise Figure, the weaker the digital signal that can be reliably amplified. So these very low noise amplifiers will work where others fail. Vision designed these amplifiers using the latest semiconductors and SMD technology for industry leading low noise figures and reliability.

Avoiding 4G-800 LTE interference when using a masthead amplifier:

1: Choose the right model for your local transmitter

2: For channels 21-56 use only V20-1356 or V20-2756, The extra filtering above channel 56 will reduce 4G-800 signal levels to a manageable level. Use the minimum gain required for stable reception.

3: Where a TV transmitter uses a range channels up to Ch60 in close proximity to the 4G800 transmission frequencies, we recommend using a high energy amplifier. This allows weak channels to be amplified before filtering the 4G-800LTE. The high energy capability will cope with high levels of 4G-800 LTE without overload.

Delivery Information

FREE Mainland UK Economy delivery (2 - 5 days) on orders over £150.

FREE Mainland UK Standard delivery (1 - 3 days) on orders over £300.

Mainland UK Economy Delivery (2 - 5 days) from £3.80

Mainland UK Standard Delivery (1 - 3 Days) from £4.50

  • Items under 2kg are dispatched via Royal Mail and items over 2kg are dispatched via Interlink.
  • All Interlink deliveries are provided with a tracking number and a one hour delivery window, sent via text.
  • You will receive an email as soon as your goods are dispatched. 
  • Most items ordered before 3pm Monday - Friday will be dispatched the same day.

Next Day Delivery from £8.95

  • Dispatch from Royal Mail Special Delivery or Interlink for larger items.
  • Tracking number provided once your order has been dispatched.

International Delivery

  • For international orders please contact us for our best available rates.
  • We ship internationally every day and have experience of getting orders to you for as cheap as possible, as fast as possible.

Returns Information

Any unwanted products can be returned within 28 days of delivery.

To arrange a return please contact our customer service team on 0191 487 1292 or email websales@trade-works.co.uk. Please ensure that you provide your order number.

Our customer service team will provide you with a returns number and a returns form which must be completed.

For more information on Delivery & Returns please click here.


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