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Description
GSM 900 Cellular Phone Signal Repeater Booster + Antenna (70dB)* Application place of mobile phone signal amplifier: 1) Small regions signal blind or weak signal area, such as underground or semi underground place of business, basements, underground parking, etc. 2) Small scale hot spot signal Complaints areas, such as conference rooms, a small supermarket, small shopping malls, the office and small public areas, etc. 3) Traffic and large social influence areas, such as bars, cafes, dance halls, cafes, fitness
* Application place of mobile phone signal amplifier:1) Small regions signal blind or weak signal area, such as underground or semi-underground place of business, basements, underground parking, etc.
2) Small-scale hot-spot signal Complaints areas, such as conference rooms, a small supermarket, small shopping malls, the office and small public areas, etc.
3) Traffic and large social influence areas, such as bars, cafes, dance halls, cafes, fitness clubs,leisure and entertainment, etc.
4) Home, office, luxury yachts, private cars, public security system and road safety management, etc.
* Specifications:
1) Up-link frequency: 890-915MHz
2) Down-link frequency: 935-960MHz
3) Up-link Gain: 70 dB
4) Down-link Gain: 75 dB
5) Gain adjustable range: MGCa?￥30dB
6) Output power(dBm): a?￥20
7) Pass band ripple: GSM 4dB
8) Guard band rejection: GSM (BW-60dB)a?¤42 MHz (BW-70dB)a?¤45 MHz
9) I/O impedance: 50/N Connector
10) I/O return loss: a?¤-10dB
11) Noise figure: a?¤-8dB
12) Intermodulation attenuation (Po=13 dBm): a?￥40dBc
13) Transmission delay: a?¤0.5us
14) Ambient temperature: -10 Degree C ???50 Degree C
15) Power supply: AC110???220V?±10% 45???55Hz
16) Size: 200mm*140mm*40mm
17) Product weight: 1.06kg
18) Coverage: approx. 50 square meters indoors.
19) Antenna: 50x8x2.2cm
* Characteristic:
1) Fully integrated 900 MHz antenna system
2) Powerful amplifier enables up to + 85 dB of signal gain including cable loss
3) Intelligent signal processing and real time adaptive operation
4) Automatically adjusts power levels as needed to ensure a consistent coverage footprint
5) Reprogrammable (in the field) enabling spectrum or carrier reconfigurations as needed
6) Auto-Trac LED diagnostics displays aid install and operation
7) Patented algorithms and adaptive processing ensure our products will not interfere with other wireless frequencies or radio devices
* The package contains:
1) 70dB GSM Cellular Phone Signal Amplifier
2) 8 dB outdoor antenna
3) 2.5 dB indoor antenna
4) 10m cable
5) Mounting accessories: AC power supply, user manual
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
- If time is of the essence, please consider selecting expedited delivery for faster service.
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
4.8 ★★★★★
Based on 24 reviews
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Product Reviews
★★★★★ 4
Make sure you size up!!
Size: 4X-Large, Color: B004
Allllllmost 5 stars if the sizing was correct. I’ve been on the hunt for a decent fitting pair of women’s boxer briefs. I would say these are more so boyshorts. That being said, I wanted something loose for sleeping in so I got TWO sizes up. I normally go for a 2x and got a 4x and they’re perfect fitting. So, you didn’t get what I was looking for but did end up with some decent fitting undies. So I can’t complain too much. Just not the boxer briefs I was hoping for. Super stretchy and soft. Comfortable for sleeping in.
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Reviewed in the United States on March 3, 2026
★★★★★ 5
Really comfortable, good fit
Size: 6X-Large, Color: 5 Pack(black,black,blue,blue,light Coffee)
These are very lightweight and comfortable. The material stretches freely and doesn't bind up anywhere. If you go by the size guide, they should fit perfectly neither too loose nor too tight. Would definitely recommend.
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Reviewed in the United States on April 23, 2026
★★★★★ 3
These don't work for me...
Size: Medium, Color: B005
First the good... I like the material; it's very soft, light, and stretchy. I also like the colors, but that's all I like about these boyshort panties. My main goal for panties is to have them NOT ride up into my butt crack leaving the bottoms of my butt hanging out. It's probably comfortable for some, but it drives me nuts to feel this constant need to pull them out of my butt crack and down over my butt cheeks. If I wanted my butt hanging out I'd buy thongs, LOL. The part I really don't understand, is why they make the front and the back the same width/length. I mean clearly more material would be needed in the back to fit around two round humps, right? I mean I guess unless you have what I call a pancake butt, I don't see why there shouldn't be more material on the backside of the underwear. Why is it so dang difficult to find underwear in this style to fit up over butt cheeks? If I pull them down enough to cover the bottoms of my cheeks then the waistband is sitting right at the top of my crack which is extremely annoying (then I feel this constant need to pull them up!) especially when the front is long enough to go up to my belly button!! Who are they making these underwear for??? Ladies with FLAT butts apparently. For reference, I'm 5'5" 130 lbs, hips 37", waist 27", athletic build, as in lean but with muscular glutes & quads from speed skating. Not only are they not made big enough to go up over my rump while still keeping my cheek bottoms from hanging out, but they're too long in the front cause they constantly roll up in the front. I've even tried turning them around, even though they seem to be exactly the same front to back, and they fit exactly the same, no surprise there. I may just be out of luck finding comfy boyshort panties that actually fit the way I want them to. :/
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Reviewed in the United States on December 15, 2025
★★★★★ 5
Super comfy!
Great colors, super comfy, soft and druable!!
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Reviewed in the United States on May 2, 2026
★★★★★ 5
Comfy and well made
Size: Large, Color: B2207sp
Love these! They stay in place, are soft and comfortable with just enough stretch but hold their shape. This is my 3rd order.
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Reviewed in the United States on February 21, 2026