Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 11 - Jul 16
Promo Codes Available:
For Your Every Summer RSVP, with Code: SUMMER15
Description
WAVESHARE GNSS L1+L2+L5 Multi-Satellite Multi-Frequency Four-Wire Helical Active Precision Positioning Antenna, Q25, Q391. Connector type: SMA Inner Pin 2. Protection rating: IP67 3. Four wire helical antenna for GNSS, featuring high gain and wide circular polarization coverage angle 4. Receives more low elevation satellite signals, improving positioning performance; suitable for smart home, smart agriculture, and high precision map applications 5. Four wire helical structure with wide circular polarization coverage angle, enhancing low elevation satellite signal
1. Connector type: SMA Inner Pin
2. Protection rating: IP67
3. Four-wire helical antenna for GNSS, featuring high gain and wide circular polarization coverage angle
4. Receives more low-elevation satellite signals, improving positioning performance; suitable for smart home, smart agriculture, and high-precision map applications
5. Four-wire helical structure with wide circular polarization coverage angle, enhancing low-elevation satellite signal reception capability
6. High gain, low noise figure design, supports multi-frequency, multi-system GNSS signal reception
7. Small size, lightweight, flexible installation, suitable for various devices and applications
8. Uses SMA interface, supports RF transmission and coaxial DC bias feeding function
9. Meets IP67 protection requirements, suitable for long-term stable operation in outdoor environments
Antenna characteristics
1. Frequency range:
- GPS: L1/L2/L5
- BDS: B1/B2a/B2b/B3i
- GLONASS: G1/G2
- Galileo: E1/E5a/E5b
2. Antenna gain: Q25 2dB; Q39 2.5dBi
3. Characteristic impedance: 50Ω
4. Polarization: RHCP (Right-hand circular polarization)
5. Coverage angle: 360 degrees
6. Dimensions: Q25 58.70 x 27.70 mm; Q39 40.80 x 44.30 mm
Amplifier characteristics
1. Gain: Q25 37dB; Q39 28dB
2. Noise figure: 1.5dB
3. Operating voltage: Q25 3.3V ~ 16V DC; Q39 3.0V ~ 16V DC
4. Operating current: Q25 13mA; Q39 15mA
Specification:
| Package Weight |
|
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
4.4 ★★★★★
Based on 232 reviews
Sort
Product Reviews
★★★★★ 5
Great everyday polo
Size: XX-Large, Color: White
I picked up the U.S. Polo Assn. Men’s Classic Two-Button Pique Polo as a casual summer and golf shirt and ended up wearing it far more than I expected. The fit is true to size with a comfortable classic cut that isn’t too slim or baggy, and the lightweight pique cotton feels breathable and perfect for warm weather, whether you’re on the course or just running errands. For the price, the quality really surprised me—the fabric feels durable yet soft, the collar keeps its shape after washing, and the stitching looks solid without feeling cheap. The style is simple and versatile, easy to pair with jeans, shorts, or chinos, and the logo is noticeable but not over the top. After several washes there’s been no major shrinking or fading, especially when washed cold and air dried. Overall, this is an affordable, comfortable, and reliable polo that looks good and holds up well, and I’ll definitely be buying more colors.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 8, 2026
★★★★★ 5
Good
Size: Medium, Color: Engine Red
Very soft and good color
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 7, 2026
★★★★★ 3
Decent Look, But Sizing and Shrinkage Are Dealbreakers
Size: Medium, Color: White
Product: U.S. Polo Assn. Men’s Classic Polo Shirt
Used for: 5 and a half months
Key Features:
– Clean, classic polo style with a decent fit (visually)
– Breathable and lightweight for casual wear
– Appears durable and holds up in the wash
Ratings:
Quality:
The shirt feels alright and seems to hold up after regular washing. That said, it shrinks noticeably, and the sizing already feels off to begin with.
Rating: 4/5
Performance:
It’s wearable, but nothing exceptional. The fabric is fine for casual use, but the sizing was a big issue—I usually wear a medium, and this felt like an extra small. I even passed it on to someone smaller than me and they found it tight too.
Rating: 3/5
Value:
It’s reasonably priced, but there are definitely more comfortable and better-fitting polo shirts out there in the same price range.
Rating: 3/5
Pros:
– Easy to wash and care for
– Seems durable over time
Cons:
– Shrinks badly in the wash
– Sizing runs very small and feels inconsistent
Summary:
The U.S. Polo Assn. Classic Polo Shirt might work if you size up significantly and don’t mind a snug fit. It looks decent and holds up to washing, but the shrinking and poor sizing really hurt the overall experience. If comfort and a reliable fit matter to you, there are better options available for a similar price.
Overall Rating: 3/5
Disclaimer: This review is based on my personal experience using the product. I'm not an expert—just sharing my honest thoughts to help others make an informed decision.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 22, 2025
★★★★★ 5
Great Shoes
Size: 10, Color: Cognac
Love these shoes super comfortable and look great. Everyone asks me where I got them.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 20, 2026
★★★★★ 5
Beautiful shoe but too narrow
Size: 10 Wide, Color: Navy Grainy Leather
Too narrow
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 24, 2026
recommand products
PREORDER: Floral Animals Black: CHILD PANEL
12.50
STAINMASTER PetProtect Honeycomb 20-mil x 7-in W x 48-in L Waterproof Interlocking Luxury Vinyl Plank Flooring
71.09
Alpe Graphite 12 in. x 24 in. Porcelain Floor & Wall Tile, 15.5 sq. ft. per Case
30.82
PREORDER: Floral Sally
28.00
FloorPops Multicolor 2.76-mil x 12-in W x 12-in L Water Resistant Peel and Stick Vinyl Tile Flooring
34.85