Datasheet:Overview
Tallysman’s HC771 is a lightweight helical antenna covering GPS L1 + GLONASS G1 + Galileo E1 + BeiDou B1 frequency bands. It includes an integrated low-loss pre-filter to protect against harmonic interference from high amplitude interfering signals, such as 700 MHz band LTE and other near in-band cellular signals.
Features
- Integrated SMA connector for screw-on mounting
- Very low noise preamp, 2.5 dB
- Axial ratio: < 2 dB max.
- LNA gain 28 dB typ.
- Low current: 12 mA typ.
- ESD circuit protection: 15 kV
- Invariant performance from: +2.5 to 16 VDC
Benefits
- Extremely lightweight (24 g)
- Great multipath rejection
- Ideal for L1 RTK surveying systems
- Increased system accuracy
- Excellent signal to noise ratio
- IP67, REACH and RoHS compliant
Technical Specifications
| – Architecture: Single Frequency RHCP Quadrifilar Helix |
| – Peak Gain: 2.5 dBic peak gain at Zenith |
| – Axial Ratio, dB at Zenith for all bands ≤ 2dB typ, 1 dB max. at Zenith |
| – Mechanical Size: 63.2mm (h) x 33.2mm (Dia) |
| – Available Connector: SMA Male |
| – Weight: 24 g |
| – Enclosure: Radome and Base EXL9330 |
| – Operating Temperature Range: -40°C to +85°C |
| – Vibration: 3-axis, sweep = 15 min, 10 to 200 Hz |
| – Sweep: 3 G |
| – Shock: Vertical axis: 50 G, other axes: 30 G |
Applications
- Autonomous, Unmanned Aerial Vehicles
- Precision GPS/GNSS Positioning
- Dual Frequency RTK Receivers
- Mission-critical GPS Timing
- Military & Security
- Network Timing and Synchronization
Ordering
The HC771 antenna from Tallysman can be ordered through TransiTiva. Please complete the Request Pricing form and send us your inquiry if you need more information.
