Order Information for built-in GLONASS/GPS antenna modules
| Part Number |
Dimension(mm) |
Serial Interface |
Voltage Range(+/- 10%) |
Output Connector type |
1 PPS |
Architecture |
| RB-2525GNS |
25x25 |
UART/RS232 |
3.3-5V |
6 pins wafer connector
6 pins male header
|
- |
Flash |
RB-2525GNS is a highly integrated smart GLONASS/GPS module with a ceramic GLONASS/GPS patch antenna, it also can either connect to the external active antenna. The module is with 80 channel acquisition engine and 20 channel track engine, which be capable of receiving signals from up to 100 GLONASS/GPS satellites and transferring them into the precise position and timing information that can be read over UART/RS232 interface. Small size and high-end GLONASS/GPS functionality are at low power consumption, supply voltage of 3.3v-5v is supported.
RB-2525GNS is optimized for applications requiring good performance, low cost, and maximum flexibility; suitable for a wide range of OEM configurations including handhelds, MID, Mobile, PDA-centric personal navigation system.
The smart GLONASS/GPS antenna module is available as an off-the-shelf component, 100% tested. The smart GLONASS/GPS antenna module can be offered for OEM applications with the versatile adaptation in form and connection. Additionally, the antenna can be tuned to the final systems’ circumstances.
|
Parameter
|
Specification |
| Receiver Type |
100 Channels GLONASS/GPS L1 frequency, C/A Code |
| Time-To-First-Fix |
Cold Start (Autonomous)Warm Start (Autonomous) |
| Sensitivity |
tracking & Navigation -161 dBm Reacquisition -161 dBm Cold Start (Autonomous) -146 dBm |
| Accuracy |
Autonomous 2.5 m CEP Velocity 0.1 m/sec (without aid) Time 300 ns |
| Update Rate |
Supports 1 / 2 / 4 / 5 / 8 / 10/20 Hz update |
| Velocity Accuracy |
0.1m/s |
| Heading Accuracy |
0.5 degrees |
| Dynamics |
4 G (39.2 m/sec) |
| Operational Limits |
Velocity 515 m/s (1000 knots) Altitude |
| Serial Interface |
LVTTL level with either 1.00 m/m WTB Wafer SMT S/R R/A 6Pins, or 1.27 m/m male header 6 Pins |
| Support antenna types |
Built-in patch antenna |
| Protocol |
NMEA-0183 V3.01 GPGGA, GNGLL, GNGNS, GPGSA, GLGSA, GNGSA, GPGSV, GLGSV, GNVTG, GNRMC |
| Datum User definable |
Default WGS-84 User definable |
| Input Voltage |
3.3v-5v |
| Input Current |
~65mA tracking |
| Dimension |
25 mm L x 25 mm W x 8 mm H |
| Weight |
18g |
Serial Port Settings
The default configuration within the standard GLONASS/GPS firmware is:
- Standard configuration of serial port
- Supporting 4800/9600/38400/115200 baud rate (Default Value : 9600), 8 data bits, no parity, 1 stop bit, no flow control
Improved TTFF
In order to improve the TTFF (Time To First Fix), RB-2525GNS has been built with the back-up battery (SEIKO) to support the RTC with a back-up power when no system power is available.
DC Electrical Characteristics
| Voltage |
+3.3V ~ +5.0V DC |
| Supply current |
TBD @ 5.0V DC Typical |
| Backup Battery Power |
+3.3V DC |
Communication Specifications
| Item |
Description |
| Interface |
Full duplex serial interface |
| Bit rate |
4800/9600/38400/115200bps |
| Start bit |
1bit |
| Stop bit |
1bit |
| Data bit |
8bit |
| Parity |
None |
| transmission data |
SACII NMEA0183 Ver:3.01 |
| Update rate |
1Hz |
| Output sentence |
GPGGA, GPGSA, GPGSV, GPRMC, GPVTG (typ) |
| Block Diagram |
 |
| Pin Assignments Information |
 |
| Mechanical Drawing Outline |
 |
 |
Environmental Conditions
| Parameter |
Specification |
| Temperature |
Operating |
-20°C~+65°C |
| Storage |
-40°C~+80°C |
| Humidity |
5%~95% |
| Storage |
6 months in original vacuum package. |
