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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 |
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4.2 ★★★★★
Based on 13 reviews
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Product Reviews
★★★★★ 5
Stunning Storytelling
Format: Kindle
Excellent. I read The Help on a whim all those years ago and was spellbound by the author's ability to weave a complex story across multiple narrators. When I'd heard that her second novel was coming out, I added it to my library wishlist as fast as I could. Then, the second I got word it was available, I couldn't help but immediately dive in... and, because her first novel made such an impression upon me, I had so much trust in the author's ability to deliver a story that I hadn't even bothered to read the blurb.
Going in blind into the Calamity Club was a discovery! I was charmed, entertained, amused, and once again, spellbound by Stockett's ability to shift between narrators. One, a somewhat sheltered but very bright and kindhearted woman Birdie. And the other, a charming and very intelligent 11-year-old seemingly orphaned girl, Meg. But beyond this, her ability to weave together a story featuring the fringes of society, giving people -- women, of various walks of life -- a voice in an era where women might have the vote, but are still subjected to a variety of society norms, laws, and double standards, is still very compelling.
I adored Meg, and I was so invested in seeing how things would turn out for her. And the strong female cast that Stockett features here only adds to the story's strengths.
Having read a few comments here on length, while I agree the story is a little long and the try-fail cycle of getting the underground business off the ground may feel pointless for some, it didn't bother me and only served to showcase the strength of the women. There were so many characters in this book that one could examine closer, from the aching pain of Rory's story to the quiet pain of the accidental loss of someone struggling with emotional struggles and alcoholism to the desperation of destitution, and the lengths one might go just to survive. There's so much within these pages to mine and consider, and I thoroughly enjoyed it.
My only critique is that I felt it ended so abruptly! I wanted just one further chapter, a glimpse of Meg's future...
Still: an excellent read, and the Acknowledgements/Author's Note on the research involved in this one was one that made me think about how far we've come... and the direction of where we might go in the future.
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Reviewed in the United States on May 24, 2026
★★★★★ 5
Un-Putdown-Able
Format: Kindle
Wonderful book! It’s intriguing, heartfelt and funny as hell. There may be a few loose ends they are too easily wrapped up but honestly, it doesn’t detract from the overall impact of the book.
I have to say that the story is enhanced by the Audible version, which is something I rarely say because I usually need to see the words in print. But the two readers of the book are superb and add a lot of depth to the characters. Honestly, if there’s a movie made of this book, I will probably be disappointed in the actors who portray the characters of Birdie and Meg because they won’t be as good as Jenna Lamia and January Lavoy who narrated this book for Audible.
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Reviewed in the United States on May 20, 2026
★★★★★ 4
Trying times in Oxford Mississippi in 1933
Format: Kindle
The Calamity Club features a cast of strong women and several weak men. The official charitable women are not charitable and the unofficial ones are courageous and are filled with good will. Stockett weaves a long tale of poverty, desperation, determination and sisterly love. Only two sets of sisters are blood related but those who are not, bond by working together for a common purpose.
Stockett serves up humor and pathos in equal measure with a dash or two of realism. Her character development makes The Calamity Club well worth reading
Like The Help, a screenplay should be forthcoming.
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Reviewed in the United States on May 31, 2026
★★★★★ 5
So Good!
Format: Hardcover
Some parts of this are reminiscent of The Help, but it is a brand new story. Even though it appears to be a LONG book (650 pages), it goes fast and is hard to put down. The story takes place in Mississippi in the 1930's. 24 year old Birdie travels to see her married sister in Oxford for the purpose of getting some financial help for her family. Her sister Frances married into a seemingly wealthy family, which for reasons that soon become clear, has now fallen on hard times. Eleven year old Meg lives in an orphanage and is treated badly by the volunteers that staff it. If her mom isn't going to come back and get her, then she wants to be adopted as soon as possible, but most people want babies, not older children. Charlie turns up at the house where Birdie is staying with her sister's family. She's bright and helpful, but what's her real story? How are they all connected? This story is at times hilarious and at other times heartbreaking. It has its share of villains, but most of the characters are likeable and you want them to succeed. Just HOW they succeed is the heart of the book, and I won't tell you and spoil the surprise. This is well worth reading, though, and I strongly recommend it.
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Reviewed in the United States on May 18, 2026
★★★★★ 5
Outstanding book
Format: Kindle
I loved this book so much that I'm sad that I've finished it. The story is fascinating, the characters well developed and the themes were important and heart wrenching. This is definitely one of the best books I ever read. I can't summarize the story without spoilers and I would not want to deny you the opportunity to enjoy the unfolding of this beautiful story. This is a book I will not forget and I look forward to Kathryn Society's next wonderful book. She is a tremendous author. Thank you Kathryn for the gift of this book!
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Reviewed in the United States on May 31, 2026
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