

Functions include: temperature detection | humidity detection | detection of flammable gases such as alcohol, methane, isobutane, etc. | detection of toxic gases such as smoke and formaldehyde | detection of air quality PM2.5 content | sound alarm | indicator light prompt
Module model WKV553-A
Working temperature -20 ℃~85 ℃
Working voltage DC: 6V; BAT: 6V (4 No. 5 batteries)
Communication method WI-FI
Antenna type: PCB board mounted antenna
Working current standby: 32mA
Sleep: 10uA
MAX:200mA
Power supply mode: DC power supply+battery power supply
Support cloud platform graffiti/Alibaba Cloud/JD Cloud/Tencent Cloud/Kuzhai/Amazon/Private Cloud/etc
Main function: temperature detection;
Detect humidity;
Detect flammable gases such as alcohol, methane, isobutane, etc;
Detecting toxic gases such as smoke and formaldehyde;
Detect air quality PM2.5 content;
Sound alarm;
Indicator light prompt;
| signal reception |
Beidou-2 and Beidou-3 |
| frequency band support |
BDS:B1I, B1C |
| Cold start TTFF |
≤23s |
| Hot start TTFF |
≤1s |
| Re capture TTFF |
≤Is |
| Cold start capture sensitivity |
-148dBm |
| Hot start capture sensitivity |
-156dBm |
| Re capture sensitivity |
-160dBm |
| Tracking sensitivity |
-162dBm |
| positioning accuracy |
≤2m(CEP50) |
| Speed measurement accuracy |
≤0.Im/s (1o) |
| Positioning update rate |
1Hz(默认)最大10Hz |
| Serial port characteristics |
Baud rate: default 115200bps, 8 data bits, no checksum, 1 stop bit |
| Serial port protocol |
NMEA0183 |
| power supply |
3.3V - 5.5V |
| typical power consumption |
42mA @5V |
| Operating Temperature |
-40°C to +85 °C |
| Storage temperature |
-50°C to +125°C |
| size |
28x28x7mm |