DHT22 Single Bus Digital Temperature And Humidity Sensor 2302 Module Electronic Building Blocks
Specifications:
USB Protocol | USB v1.1/2.0 |
Frequency | 2.4GHz ISM Band |
Modulation | GFSK |
Bluetooth Chip | BC417 |
Transmit Power | Less Than 4dBm, Class 2 |
Sensitivity | Less Than -84dBm at 0.1% BER |
Rate | Asynchronous:2.1Mbps(Max)/160 kbps |
Synchronous | 1Mbps/1Mbps |
Support Profiles | +3.3VDC 50mA |
Working Temperature | -5°C to 45°C |
Description:
This Module Can Be Set To a Transmitter Or Receiver, The Transmitter Can Pair With Receiver, Receiver And Receiver Or Transmitter And Transmitter Can Not Communicate Between, The Receiver Can Pair With Computers And Cell Phone Bluetooth
FAQ:
1. What is the terms of payment?
L/C,D/A,D/P,T/T,Western Union,MoneyGram
2. What is the delivery time?
Normally, 1-5 workdays after payment;
Special requirement orders, delivery time is negotiable.
3. If the products can't work after receiving it,what should I do?
We will replace new items for you at once, and respect your final decision for wrong goods.
4. If the products don't meet my demand after I received it,can I return it?
Yes,no problem.You can return back to us, we will refund your full payment.
5. what is the warranty?
1-2 years warranty according to different products.
1-3 months to replace new items for free.
All products are tested strictly for 2-3 times before leaving factory. we have earned very good reputation in quality,Certified by the ISO9001.