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S1315R8 Module

Dimension :13mm L x 15.8mm W
Receiver Type
:L1 C/A code, 65-channel Venus 6 engine
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S1315R ROM-based

Low-Power High-Performance Low-Cost 65 Channel SMD GPS Module

The S1315R is a small form factor GPS module solution intended for a broad range of OEM products, where fast and easy system integration and minimal development risk is required. The user only need to provide DC power of 3.0V ~ 3.6V and GPS signal; the S1315R will output navigation solution in standard NMEA-0183 protocol format.

The S1315R features 65 channel GPS receiver with fast time to first fix and improved -148dBm cold start sensitivity. The superior cold start sensitivity allows it to acquire, track, and get position fix autonomously in difficult weak signal environment. The receiver’s -165dBm tracking sensitivity allows continuous position coverage in nearly all application environments. The high performance search engine is capable of testing 8,000,000 time-frequency hypotheses per second, offering industry-leading signal acquisition and TTFF speed.

Measuring 13mm x 15.8mm, the S1315R contains integrated LNA, SAW filter, 0.5ppm TCXO, 65 channel positioning engine, RTC crystal, and low-leakage backup supply LDO regulator. The RF section has cascaded noise figure of 2.3dB, allowing passive antenna operation without extra external LNA.

The receiver is optimized for applications requiring high performance, low power, and low cost; suitable for a wide range of OEM configurations including mobile phone, PND, asset tracking, and vehicle navigation products.

The metal RF shielding provides protection and allows standard surface mount device pick-and-place process in fully automated assembly process; enabling high-volume, very cost-efficient production. The S1315R is available in tape-and-reel form.


Receiver Type

L1 C/A code, 65-channel Venus 6 engine


Position 2.5m CEP


Velocity 0.1m/sec


 Time 10ns

Startup Time

1 second hot start under open sky


< 29 second warm start under open sky (average)


29 second cold start under open sky (average)




-148dBm cold start


-160dBm re-acquisition


-165dBm tracking

Multi-path Mitigation

Advanced multi-path detection and suppression


 7-day server-based AGPS

Update Rate

Supports 1 / 2 / 4 / 5 / 8 / 10 / 20 Hz update rate (1Hz default)


4G (39.2m/sec2)

Operational Limits

Altitude < 18,000m or velocity < 515m/s

Serial Interface

3.3V LVTTL level


NMEA-0183 V3.01




9600 baud, 8, N, 1


Default WGS-84


User definable

Input Voltage

3.3V DC +/-10%

Input Current

25mA  tracking   33mA  acquisition


13mm L x 15.8mm W



Operating Temperature

-40oC ~ +85oC

Storage Temperature

-55 ~ +100oC


5% ~ 95%

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