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NVS-GNSS-STA 授时接收器一体化天线
NVS-GNSS-STA provides an integrated L1 GPS+GLONASS receiver and antenna in one rugged housing with built-in lightning protection. 1 PPS is supported in the following time scales: UTC, UTC SU, UTC GLONASS, UTC GPS.
Key Features:
• NVS-GNSS-STA Smart antenna for timing systems with built-in lightning protection
• GPS L1, GLONASS L1 and SBAS receiver with integrated antenna
• Time source for the NTP server, Level 1
• Pulse signal second mark 1PPS adjustable duration
• Accuracy signal 1PPS - 15 ns (RMS), resolution 38.5 ns *
• High noise immunity and elimination of multipath
• Communication protocol: IEC 61162-1 (NMEA 0183), BINR
• RS-422 interface to connect the antenna to to longer cable runs
• Built-in lightning protection meets EN61000-4-5 level 4
• Operating temperature -40 to +85 ° C
• Low power consumption (<240 mW)
• Input voltage 8 ... 30V
• High out of band rejection to mitigate interference
* Without taking into account the propagation delay in the cable and driver
Description:
NVS-GNSS-STA Smart antenna - advanced solution for the accurate timing and synchronization market, providing a cost-effective and independent source of 1PPS signal for various applications:
• System time synchronization of wireless networks GSM, CDMA, LTE
• Automated accounting system resources
• Distributed Information Systems
• Industrial automation systems
• Automated payment systems
• Automated Traffic Control System Features
Benefits
• Integrated GNSS antenna and receiver in one rugged housing
• Quadrifiliar helix element for optimal coverage and multipath rejection
• Low noise amplifier with preselector and interstage filter for low interference
• Low power consumption (240 mW max.)
• Input voltage 8V-30V DC
• Lighting Protection Compliance per EN61000-4-5 Level 4
• Two serial communication ports provide maximum flexibility to manage smart antenna and receive navigation information. The third port is used for transmitting second timestamp (1PPS).
• 1PPS momentum can be synchronized with a user-selectable reference time UTC, UTC GPS, UTC SU, UTC GLONASS.
• Timing accuracy is less than 15 nanoseconds (one sigma).
• RS-422 is ideal for communications on long cable lines required to connect an antenna mounted on buildings or towers.
GNSS signals:
• Number of channels: 32
• Satellite access mode: All-in-view
• GPS/SBAS: L1 1575.42 MHz
• GLONASS: L1 1597.5-1609.5 MHz
Navigation Features:
• Accuracy (RMS)*
- time 1PPS ±15 ns (resolution 38.5 ns)
- horizontal autonomous mode 2.5 m
- differential mode 1 m
- height 3 m
- velocities 0.05 m/s
• Time to First Fix*:
- reacquisition <1 s
- hot start <3 s
- cold & warm start 30 s
• Sensitivity:
- cold start –143 dBm
- tracking and reacquisition –160 dBm
• Supported:
- vehicle dynamics velocity 500 m/s
- acceleration 5g
- altitude 18000 m
• Coordinate system: WGS-84 (default), PZ-90 SK-42, SK-95
* typical values
RF functionality:
GNSS Antenna
• frequency band 1590 ± 35 MHz.
• quadrifiliar helix element and LNA
• Out-of-band rejection:
≥ -60dB @ ≤ 1535 MHz
≥ -60dB @ ≥ 1630 MHz
GNSS Receiver
• LNA Built-In (SW controlled for power saving)
• RF structure with Two Independent RF FE chains: GPS/GALILEO/BeiDou/SBAS L1 and GLONASS L1
• Internal Clock 26 MHz TCXO
Environmental data:
• Operating temperature –40 to +85°C
• Storage temperature –55 to +105°C
• Maximum operating humidity 95% @ 40°С
Data Interface:
• Data update/output rate 1, 2, 5, 10 Hz
• Supported protocols:
− IEC1162 (NMEA 0183)
− BINR (proprietary)
− RTCM SC 104
• Host data interface:
− Two Full-duplex RS-422 I/O ports
− Data exchange rate up to 230’400 bit/s
− One Half-duplex RS-422 1PPS output
Power supply:
• Input voltage 8...30 V
• Power consumption
Dimensions:
• Ingress protection IP67
• Dimensions 126 H x 81 mm
• Weight 0.3 kg
• Connector: 12-pin circular connector conforming IEC 60130-9 v3.0