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Variable Attenuator VHF/UHF, DC Blocked At Both Ports
Product Code: PROATT20V
- For signal level reduction/adjustments
- Low residual insertion loss
- DC-blocked at both ports
- Excellent flatness of frequency
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Product Description
Attenuator VHF/UHF 20dB Variable/DC Blocked
A convenient variable attenuator which can be used with confidence wherever line-power is present. This compact unit is ideal for use on the inputs of distribution amplifiers and similar situations where signal level reduction and adjustment is required.
Features:
- Covers the return path, VHF and UHF bands (5-862MHz).
- DC-blocked at both ports - avoids burn-out when line-powered.
- Low residual insertion loss.
- Excellent flatness of frequency response across the full 20dB attenuation range.
- Surface mountable and includes a removable plastic body that allows easy connector/adjuster access.
- Tamper-resistant (access to the adjustment slot is recessed).
Technical Information:
| Product Code | Frequency Range | Insertion loss | Adjustment range | Flatness | Connectors |
| PROATT20V | 5 - 862MHz | <0.7dB | >20dB | <1dB | Type 'F |
DC-blocking voltage rating: 24V max. (DC or 50Hz AC).
This attenuator is not power-passing and is not recommended for use in the satellite IF band.
Technical Specification
Width
20mm
Depth
35mm
Height
55mm
Weight
0.04kg
03/10/2025
01/10/2025
Delivered on-time without hitch.
25/09/2025
Excellent
23/09/2025
All good
14/09/2025
Spot on with everything needed good
Google Company Reviews
26/10/2025
I bought a LNB adapter for a Sky dish to allow me to use a single outlet LNB. Fitted perfectly.
21/10/2025
I understand from my inquiry that your stock was low and is why the order was later than anticipated. It have been appreciated if it had communicated to me without me contacting you first, as I had had no information since the initial order confirmation. Having said that once the item was available it was dispatched and arrived within 24 hours and appears to be a quality product, although I have not installed it yet.
20/10/2025
Good product and a fair price. A pleasure to deal with friendly company. After researching other products, and other companies, I settled for a suitable serial from Blakes. I have a history of studying aerials and worked in the TV trade some time ago, and the quality of their products impressed me.
19/10/2025
Aerial booster - robust construction- works well.
16/10/2025
Excellent
Payment methods accepted
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Exactly what I needed and delivered when said great team