Does it work as a High Pass Filter ?

I haven't torn one apart, but I suspect it's a simple finely-tuned a tank circuit that shunts specific frequencies to ground (a simpler method than blocking) which would be considered a notch filter vs. a high or low pass filter. In either case, it works very well for me. I live next to a call tower, and due to our proximity, we couldn't get any more than a few channels. Once the filter was placed between the antenna and our distribution amplifier, we jumped from a handful to over 70 channels now available.

what is the rejection (in dB) and what is the insertion loss (in dB)? All traps/filters must have at least some insertion loss, even if it's .5 dB.

With a 4' antenna cord rejection is .1 to .3 and loss is .5 to .8 depending on connection type.

Does this only work for amplified antennas?

Thank you for your question. It works for both amplified and regular antennas, but if your antenna was purchased in 2020 or later it should have a filter built in already.

does it fix radio fm recept?

No. It is a cell signal filter for a tv antenna. It's only made to improve tv reception more so if you are close to a cell phone tower.

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LTE Filter for TV Antenna, Filters 4G 5G LTE | Reduce Interference and Pixilation for Clear Digital HD TV Reception, Frequency Range 5-608 MHz, Indoor Outdoor, SDW1520/27

Product ID: 236588145

Details

Antenna
Television
Brand
Philips
Color
Silver
Impedance
75 ohm
Manufacturer
Jasco Products
Maximum Range
400 feet

📶Blocks 4G/5G LTE noise

🔌No power supply needed

🌦️Weatherproof for indoor/outdoor

R399

Duties & taxes included

In stock

Sold byAmazon South AfricaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

📡 Cut the noise, catch every moment in HD!

PEACE OF MIND SUPPORT - Backed by limited-lifetime warranty and responsive U.S.-based technical assistance.
PLUG PLAY SIMPLICITY - Easy in-line installation with standard F-type coax connectors—no extra hardware or power required.
UNIVERSAL COMPATIBILITY - Works seamlessly with any TV antenna, coax cable, or splitter—perfect for urban and suburban setups.
CRYSTAL CLEAR HD RECEPTION - TruAmp tech filters out 4G/5G interference for flawless picture quality.
BUILT TO BRAVE THE ELEMENTS - Durable, weatherproof design ensures reliable performance indoors or outdoors.

The Philips LTE Filter SDW1520/27 enhances your TV antenna's performance by blocking disruptive 4G/5G LTE signals within 5-608 MHz frequency range. Designed for easy, power-free installation with F-type coax connectors, it supports both indoor and outdoor setups. Ideal for high-density areas, it ensures clear digital HD reception by reducing interference and pixilation. Comes with a limited-lifetime warranty and U.S.-based technical support.

Specifications

ASIN	B08HVT59F5
AntennaDescription	Television
Best Sellers Rank	#19 in Audio & Video Antennas
Brand	Philips
Color	Silver
Customer Reviews	4.0 4.0 out of 5 stars (6,068)
Global Trade Identification Number	00030878531955
Impedance	75 ohm
Item Type Name	Philips LTE Filter for TV Antenna, Filters 4G 5G LTE Signal to Reduce Interference and Pixilation for Clear Digital HD TV Reception, Frequency Range 5-608 MHz, Indoor Outdoor Installation, SDW1520/27
Manufacturer	Jasco Products Company, LLC
Maximum Range	400 feet
Mfr Part Number	SDW1520/27
Model Number	SDW1520/27
Number of Channels	100
Number of Items	1
UPC	030878531955
Unit Count	1 Count
Warranty Description	Limited-Lifetime Warranty

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