Product information
L20
GPS module
The L20 module provides the high performance GPS engine module which is embedded the SiRFstarIV™ chip solution with SIRFaware™ technology. With 48 PRN channels, L20 acquires and tracks satellites in the shortest time even at indoor signal level. With a compact profile of 16.0mm × 12.2mm × 2.4mm, it perfectly suits for vehicle tracking, personal tracking, asset tracking, connected PND, security device and other industrial applications.
L20 supports aided-GPS function without the necessity of data download from server since it captures ephemeris data from satellites locally and predicts ephemeris out to 3 days.
Advantages
- -163dBm tracking sensitivity
- Highest autonomous mode acquisition sensitivity, -148dBm
- Power saving modes
- Self-Assisted CGEE function
- 48 PRN channels
- Low tracking power consumption, 41mA (passive antenna)
- Removes in-band jammers up to 80 dB-Hz
- Tracks up to 8 CW jammers
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General Specifications
- Frequency bandL1 (1575.42MHz)
- Channels Number48 PRN channels
- Horizontal Position Accuracy
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Autonomous<2.5 m CEP SBAS<2.0 m CEP
- Velocity Accuracy
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Without aid0.01 m/s
- Acceleration Accuracy
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without aid0.1 m/s²
- Timing Accuracy< 100 ns
- Reacquisition Time< 1 s
- Time To First Fix
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Cold start< 35 s Warm start< 35 s Warm start with CGEE10 s typ. Hot start< 1 s
- Sensitivity
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Autonomous acquisition-148 dBm Hot start-160 dBm Tracking-163 dBm Navigation-160 dBm
- Operating Temperature-40°C to +85°C
- Dynamic Performance
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Maximum Altitude18 288 m Maximum Velocity514 m/s Acceleration4G
- Dimensions16.0mm×12.2mm×2.4mm
- WeightApprox. 1.0g
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Serial Interfaces
- One UARTAdjustable:1200~115200 bpsDefault: 4800bps
- I/O Voltage2.0V ~ 3.6V
- ProtocolsNMEAOSP
Electrical Data
- Power supply2.0 to 3.6V
- Power Acquisition57mA (passive antenna)
- Power Tracking41mA (passive antenna)
- Power SavingTP, APM, PTF
- Antenna TypeActive and passive
- Antenna powerExternal or internal VCC_RF
Approvals
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CE
Adobe Reader 9 or newer version is required to view following below PDF files. This is a free program available from the Adobe web site. Follow the download directions on the Adobe web site to get your copy of Adobe Reader.
| Quectel L20 Products Summary rel. 10-02-2012 | (182.8 KB) | ||
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L20 GPS Protocol Ver.1.0 | (772.6 KB) | |
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L20 Hardware Design Ver.1.0 | (724.6 KB) | |
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L20 ROM1.0 to ROM1.3 Change Notis | (134.6 KB) | |
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L20 AGPS Application Note Ver.1.0 | (752 KB) | |
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L20 Evalution Board User Guide Ver.1.0 | (1.3 MB) | |
|
Schematic of Evalution Board L20-EVB V1.02 | (86.1 KB) |
Adobe Reader 9 or newer version is required to view following below PDF files. This is a free program available from the Adobe web site. Follow the download directions on the Adobe web site to get your copy of Adobe Reader.
|
L20 Part&Decal rev.06-05-2011 | (30.2 KB) | |
|
SiRFLive2.01 | (21.3 MB) |
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