UniStrong
UA91 GNSS Choke Ring Antenna
The UA91 utilizes a high-gain wideband antenna to achieve signal reception across GPS, BDS, GLONASS, Galileo, QZSS, and L-Band. Featuring a fully symmetrical multi-stage 3D choke ring design, it achieves higher phase center stability and robust multipath mitigation.
- 7.7kg±100g
- Weight
- 50Ω
- Input Impedance
- ≤1.3
- VSWR
Original UniStrong unit·Authorized distributor
Overview
About the UA91
The UA91 utilizes a high-gain wideband antenna to achieve signal reception across GPS, BDS, GLONASS, Galileo, QZSS, and L-Band. Featuring a fully symmetrical multi-stage 3D choke ring design, it achieves higher phase center stability and robust multipath mitigation. The phase center coincides with the mechanical center, delivering high performance.
Specifications
The UA91 utilizes a high-gain broadband antenna to achieve comprehensive signal reception across GPS, BDS, GLONASS, Galileo, QZSS, and L-Band. Adopting a fully symmetrical multi-ring 3D choke ring design, it provides superior phase center stability and exceptional multipath mitigation. The phase center is aligned with the mechanical center, delivering outstanding performance.
Product Features
: ● Broadband dual-frequency multi-constellation GNSS survey antenna ● High polarization axial ratio performance ● Excellent phase center stability ● Strong multipath mitigation capability
Specifications
Technical data
Values from the UniStrong datasheet. Ask us for the full sheet or a side by side with another model.
Antenna Performance
- Frequency Range
- GPS: L1/L2/L5; BDS: B1/B2/B3; GLONASS: G1/G2/G3; Galileo: E1/E2/E5/E6C; QZSS: L1/L2/L5; L-Band (Commercial PPP Service)
- Passive Gain
- ≥5dBi @ Zenith
- Input Impedance
- 50Ω
- VSWR
- ≤1.3
- Axial Ratio
- ≤2dB @ Zenith
- Phase Center Deviation
- ±1.2mm
LNA Performance
- Active Gain
- 40±2dB (Standard/Optional)
- Noise Figure
- 1.6dB, Typical @ 25℃
- Operating Voltage
- 3.3-12V DC
- Operating Current
- 35mA, Typical
Environmental Specifications
- IP Rating
- IP65, IP67 (internal)
- Certifications
- NGS
Mechanical Specifications
- Dimensions
- D370 x H263mm
- Weight
- 7.7kg±100g
- Antenna Connector
- TNC Female
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