The RYS8839 is an ultra-low power, L1 L5 Dual-band multi-constellation GNSS module. It also has integrated digital noise filters for coexistence with other radio systems.
| Item | Min. | Typical | Max. | Unit | Condition |
| Power Supply Voltage | 1.75 | 1.8 | 1.85 | V | VDD |
| GNSS continuous mode | |||||
| Satellite acquisition Current | 24 | mA | L1+L5 Acquisition | ||
| Satellite tracking Current | 16 | mA | L1+L5 Acquisition with 64-SV | ||
| Idle Current | 2 | mA | Waiting for command | ||
| 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 | 1176.45 1561.098 1575.42 1602.5625 |
MHz | GPS L5 BeiDou GPS L1 Glonass |
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| Navigation update rate | 1 | 25 | Hz | ||
| Accuracy | 1 | M | L1 L5 Signal strength is -130dBm | ||
| Cold starts | 24 | Sec. | L1 L5 Signal strength is -130dBm | ||
| Hot starts | 1 | Sec. | L1 L5 Signal strength is -130dBm | ||
| Tracking Sensitivity | -167 | dBm | |||
| Hot starts Sensitivity | -163 | dBm | |||
| Cold starts Sensitivity | -149 | dBm | |||
| Operating Temperature | -40 | 25 | +85 | ˚C | |
| Dimensions | 13mm*11mm*2.2mm | ||||
| Weight | 0.8 | g | |||