Overlap Blocking Filter Pass 21-30
Product Code: PROOBF1A
- Overlap blocking filter Ch.21-30
- Used for blocking unwanted signals
- F-Type
- 1 input 1 output
Product Description
Overlap Blocking Filter Pass 21-30
A range of UHF band-pass filters from Proception, intended for blocking unwanted reception of transmissions from an adjacent region.
The introduction of high-power digital transmissions has led to problems with some receivers selecting multiplexes from out-of-area transmitters, leaving confused viewers watching the wrong regional services, or even listening to the wrong language!
Although this problem should be solved in the longer term by receiver developments, the use of band-pass filters can provide a quick, simple and cost effective solution, saving installers frequent call-backs.
Other Applications:
The entire range offers excellent cut-off below 470MHz and will help with problems from TETRA, telemetry and 70cm amateur band transmissions. Above channel 62 all versions will help solve GSM mobile phone interference problems, while the A and B models will additionally help suppress the forthcoming LTE (4G) signals.
Features:
- Optimised pass-bands cover most UK requirements in just four versions.
- Good out-of band rejection helps block TETRA and GSM, also LTE (4G), depending on model.
- F type connectors for good screening factor, helping prevent leakage around the filter.
- Good 75O match throughout the pass-band.
- DC blocked, no damage if inadvertently line-powered (24VDC max).
- Optional weatherproof outdoor housing available.
- Equipotential bonding terminal.
Technical Information:
Product Code | Channels | Freq. | Lower | Upper1 | Insertion loss2 | Stopband Rejection3 | Conn. |
PROOBF1A | 21 - 30 | 470 - 550MHz | DC - 438MHz | 578 - 1600MHz | <3dB | >30dB | F |
PROOBF1B | 39 - 52 | 614 - 726MHz | DC - 578MHz | 762 - 1600MHz | <3dB | >30dB | F |
PROOBF1C | 48 - 62 | 686 - 806MHz | DC - 650MHz | 920 - 1600MHz | <3dB | >27dB | F |
PROOBF1E | 39 - 62 | 614 - 806MHz | DC - 562MHz | 920 - 1600MHz | <3dB | >27dB | F |
PROMHDCASE-S | Case for external installations |
1. Specified stop-band rejection is typically maintained to above 2GHz (but is not guaranteed above 1.6GHz).
2. Insertion loss may increase slightly at the pass-band edges, but will not exceed 4dB.
3. Typical stop-band rejection is around 35 to 40dB except close to the band edges.
Technical Specification
IEC or F Type
F-Type
Width
20mm
Depth
48mm
Height
80mm
Weight
0.04kg
Frequently Asked Questions
19/04/2024
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15/04/2024
I researched for many TV aerials and my friend who was ex aerial rigger recommended me Blake aerials as you can’t go wrong with them that was his words and it was true
15/04/2024
Excellent Aerial really pulls in very weak signals with help with correct masthead amplifier
Google Company Reviews
22/10/2024
If you need “ANY” clarification and guidance on all things aerial, and best suited components for your needs, then look no further … these guys are exceptional … The End!
20/10/2024
Purchased a new aerial online, good price, excellent quality and arrived super quick. Great service thanks.
18/10/2024
The service from Blake UK was excellent. Goods were well packaged and promptly delivered. I shall definitely use this company again.
08/10/2024
Got the right aerial for our area and now have clear pictures and more channels even in bad weather. Beats using local TV expert who had fitted wrong aerial.
07/10/2024
Came across Blake through a google search for a decent DAB/FM aerial. Good reviews, decent website. I purchased one, it arrived quickly and with the decent instructions, I got it installed and it's working great. All good. Would use again, recommended.
Great service and company to deal with