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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:
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Product Reviews
★★★★★ 5
Solid doctrine
Format: Hardcover
This book was an excellent summary of the "rapture" verses. The author believes, as I do, in a pre-tribulation rapture, and gives excellent verses to explain why. There are wonderful stories from his years in the ministry, and practical down to earth explanations throughout.
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Reviewed in the United States on May 7, 2026
★★★★★ 5
Great read!
Format: Kindle
This is a great book that will more clearly guide you through to the second coming of Christ! Thank you to David Jeremiah for writing it!!
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Reviewed in the United States on May 11, 2026
★★★★★ 5
Make peace with God…
Format: Paperback
Great book, very enlightening
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Reviewed in the United States on May 9, 2026
★★★★★ 5
End Times book
Format: Hardcover
Great book! Dr. Jerimiah explains the rapture and second coming in a way anyone can understand.
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Reviewed in the United States on April 1, 2026
★★★★★ 4
Very good book
Format: Hardcover
Bought for my father in law he enjoyed it
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Reviewed in the United States on March 27, 2026