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 Signal to Reduce Interference and Pixilation for Clear Digital HD TV Reception, Frequency Range 5-608 MHz, Indoor Outdoor Installation, SDW1520/27

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

Product ID: 236588145

Details

Antenna
Television
Brand
Philips
Color
Silver
Impedance
75 Ohms
Manufacturer
Jasco Products
Maximum Range
400 Feet

📶Blocks 4G/5G LTE noise

🔌No power or extra hardware needed

🌦️Weatherproof for indoor/outdoor

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Sold byAmazon VietnamDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

📡 Cut the noise, keep the signal — watch TV like a pro!

PLUG PLAY SIMPLICITY - Easy in-line installation with standard F-type coax connectors—no tools or power required
UNIVERSAL COMPATIBILITY - Works seamlessly with any TV antenna, coax cable, or splitter—ideal for dense urban areas
BUILT FOR ALL ENVIRONMENTS - Compact, weatherproof design perfect for indoor or outdoor antenna setups
CRYSTAL CLEAR HD RECEPTION - TruAmp™ tech filters 4G/5G interference for uninterrupted viewing
TRUSTED SUPPORT WARRANTY - Backed by U.S.-based tech support and a limited-lifetime replacement pledge

The Philips LTE Filter SDW1520/27 enhances your TV antenna’s performance by blocking disruptive 4G and 5G LTE signals within 5-608 MHz frequency range. Designed for easy, power-free installation, its weatherproof build supports both indoor and outdoor use. Ideal for metropolitan and suburban areas crowded with cell towers, this compact filter ensures crisp, uninterrupted HD TV reception while being backed by reliable U.S.-based support and a limited-lifetime warranty.

Specifications

ASIN	B08HVT59F5
AntennaDescription	Television
Best Sellers Rank	#28 in Audio & Video Antennas
Brand	Philips
Color	Silver
Customer Reviews	4.0 4.0 out of 5 stars (5,862)
Global Trade Identification Number	00030878531955
Impedance	75 Ohms
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	1.0 Count
Warranty Description	Limited-Lifetime Warranty

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