The RYS8838 is a multi-GNSS module with high sensitivity, fast acquisition engine and an Untethered Dead Reckoning (UDR) function.
| Item | Min. | Typical | Max. | Unit | Condition |
| Power Supply Voltage | 3.2 | 3.3 | 3.4 | V | VDD |
| GNSS continuous mode | |||||
| Satellite acquisition Current | 19 | mA | |||
| Satellite tracking Current | 13 | mA | |||
| Idle Current | 3 | mA | Waiting for command | ||
| Sleep2 mode current | 0.2 | uA | |||
| Satellite acquisition Current | 11.5 | mA | Use buck regulator | ||
| Satellite tracking Current | 8.2 | mA | Use buck regulator | ||
| Idle Current | 2.6 | mA | Use buck regulator | ||
| Sleep0 mode current | 0.5 | uA | Use buck regulator | ||
| Sleep1 mode current | 0.17 | uA | Use buck regulator | ||
| Sleep2 mode current | 0.17 | uA | Use buck regulator | ||
| GNSS low power mode | |||||
| Satellite tracking average current | Use buck regulator @GSOP command Sleep1 and normal mode cycle |
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| Default Baud Rate | 115200 | bps | 8,N,1 | ||
| Digital input level high | 0.7*VDD | VDD+0.3 | V | VIH | |
| Digital input level low | -0.3 | 0.3*VDD | V | VIL | |
| Digital output level high | 0.8*VDD | VDD | V | VOH 2mA | |
| Digital output level low | 0 | 0.2*VDD | V | VOH 2mA | |
| GNSS Center Frequency | 1561.098 1575.42 1602.5625 |
MHz | BeiDou GPS Glonass |
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| Navigation update rate | 1 | Hz | |||
| Accuracy | 1 | M | Signal strength is -130dBm | ||
| Cold starts | 35 | Sec. | Signal strength is -130dBm | ||
| Hot starts | 2 | Sec. | |||
| Tracking Sensitivity | -161 | dBm | |||
| Hot starts Sensitivity | -160 | dBm | |||
| Cold starts Sensitivity | -147 | dBm | |||
| Operating Temperature | -40 | 25 | +85 | ˚C | |
| Dimensions | 13mm*11mm*2.2mm | ||||
| Weight | 0.8 | g | |||