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- USA
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Ships within 48 hours · Estimated delivery Jul 14 - Jul 19
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Description
SF401 Plus Portable Handheld Frequency Counter for Walkie Talkie, Frequency: 27MHz-3000MHz1. The frequency meter capable of measuring the parameters of the frequency of the continuous carrier signal walkie talkies, with signal strength indicator. 2. This portable frequency counter is designed for counting continuous wave signal comes from two way radio. 3. There are easy ranges for you to choose. The ranges cover most of the frequency of the two way radios you want to measure. 4. 4 buttons for all function control, its four button control
1. The frequency meter capable of measuring the parameters of the frequency of the continuous carrier signal walkie-talkies, with signal strength indicator.2. This portable frequency counter is designed for counting continuous wave signal comes from two-way radio.
3. There are easy ranges for you to choose. The ranges cover most of the frequency of the two way radios you want to measure.
4. 4 buttons for all function control, its four-button control is easy to use and its small size allows you to carry it anywhere you like.
5. Work by TCXO (crystal) Osc.2~2.5ppm.
6. Use for VHF/UHF walkie-talkies.
7. Auto power off 1-9 minutes.
8. Frequency response time: 0.2-0.5s (CTCSS/CDCSS>0.5-1s).
9. 240*320 pixel color LCD.
10. Digital select digi0.000 or 0.0000.
11. Frequency range: 27MHz-3000MHz (Note: 27-100MHz, it can not be guaranteed and the corresponding normal emission appliance)
Specification:
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Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.9 ★★★★★
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Product Reviews
★★★★★ 4
Good Fit & Fresh Air, But Slightly Reduced Airflow
I recently installed this cabin air filter in my 2024 4Runner, and it fits perfectly. It does a great job of filtering out the dusty Las Vegas air, leaving the cabin smelling fresh. However, I did notice a slight reduction in Airflow, on the highest blower setting, it feels like the output is about 25% lower than usual. It’s still early to tell how it will perform long term, but so far, it's doing its job well. If you prioritize air quality over maximum airflow, this is a solid choice at a good price too!
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Reviewed in the United States on March 2, 2025
★★★★★ 5
Filter fits well into cabin filter compartment of 2011 Toyota Avalon Limited.
Fits easily into my cabin filter slot of my 2011 Toyota Avalon Limited. It has performed well after a month of use. The design of this filter appears to be superior to the filters that are utilized at the Toyota dealer.
The filter was easy to install via the back of the glove compartment.
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Reviewed in the United States on March 5, 2026
★★★★★ 5
Really keeps outdoor smells out.
Built with real quality, keeps outdoor smells out.
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Reviewed in the United States on April 18, 2026
★★★★★ 5
Well made filter
High quality item. Fits perfectly.
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Reviewed in the United States on March 19, 2026
★★★★★ 5
Much Needed Cabin Air Filter Replacement!
This Cabin air filter replacement is working well. It had been a long time since I replaced my cabin filter, so this was a much needed replacement. It was easy to do, and a much needed replacement. The air quality inside my car is much better. It smells fresh, and light and airy now.
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Reviewed in the United States on March 29, 2026