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Overlap Blocking Filter Pass 39-60
Product Code: PROOBF1E
- Overlap blocking filter Ch.39-60
- Used for blocking unwanted signals
- F-Type
- 1 input 1 output
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Product Description
Overlap Blocking Filter Pass 39-60
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
14/08/2026
10/08/2026
Have to move the TV Ariel, and I found everything I needed in one place at a good price. Prompt delivery of items that are not commonly available. Highly recommend.
05/08/2026
No problems.
25/07/2026
Timely dispatch and tracking available. Reasonable prices too.
15/07/2026
Excellent! Great range of products. Website very easy to use. Fast dispatch. Extremely good communications. Thank you.
Google Company Reviews
10/08/2026
04/08/2026
03/08/2026
All received no issues
30/07/2026
Very courteous and helpful in dealing with my order error. A decent antenna delivered very quickly and I now have fm radio with a full strength signal.
25/07/2026
I had a bit of a struggle with their online ordering, I managed to raise an order as "collection" rather than delivery by courier. However Blake's went out of their way to fix the problem. Otherwise their on-line service produces a good transaction trail.
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Good product, reasonable delivery time