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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📺 Cut the static, keep the signal—watch smarter, not harder!

SEAMLESS COMPATIBILITY - Works effortlessly with all amplified and passive TV antennas and coaxial setups.
US BASED EXPERT SUPPORT - Dedicated Monday-Friday support to keep your entertainment uninterrupted.
PLUG PLAY INSTALLATION - No extra power or hardware needed—just connect and enjoy instant clarity.
BUILT TO BRAVE THE ELEMENTS - Durable weather-resistant casing ensures reliable indoor/outdoor performance.
CRYSTAL CLEAR HDTV RECEPTION - TruAmp™ tech eliminates 4G/5G interference for flawless picture quality.

The Philips LTE Filter SDW1520/27 uses advanced TruAmp™ technology to block disruptive 4G and 5G LTE signals, ensuring crystal-clear HDTV reception by passing frequencies from 5 to 608MHz. Designed for easy inline installation with F-type coaxial connectors, it requires no additional power or hardware. Its weather-resistant build supports both indoor and outdoor antenna setups, making it ideal for urban and suburban environments crowded with cell towers. Backed by US-based technical support, this compact filter enhances your home entertainment experience by reducing pixelation and channel loss.

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Impedance	75 Ohm
Compatible Devices	Amplified TV Antenna, Amplifier, Indoor TV Antenna, TV Antennas, Television
Color Name	LTE Filter
Batteries Included	No
Batteries Required	No
Brand	Philips
Manufacturer	Jasco Products Company, LLC
Item Model Number	SDW1520/27
Special Features	Low Loss, Low Profile, Signal Booster, Wireless
Package Dimensions	9.19 x 6.91 x 2.11 cm; 9 g

Philips LTE Filter for TV Antenna, 4G 5G LTE Signal, Reduces Interference and Pixels, Clear Digital HDTV Reception, Frequency Range 5-608MHz, Indoor Outdoor Installation, SDW1520/27

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