Feature:
* Frequency Range: 433/490 MHz(137~525MHz)
* Sensitivity up to -139dBm @Lora
* Maximum output power: 20 dBm
* 13mA@receiver mode
* Sleep current <200 nA
* Data transfer rate: @FSK,1.2-300 Kbps
* @Lora TM, 0.018-37.5 Kbps
* Lora TM, FSK, GFSK & OOK Modulation mode
* Built-in ESD Protection
* 127 dB Dynamic Range RSSI
* Packet engine up to 256 bytes with FIFO and CRC
* Hopping frequency
* Built-in temperature sensor and low battery indicator
* Excellent blocking immunity
* Operating Temperature Range:-40 ~ + 85 °C

Application:
* Remote meter reading
* Industrial control
* Home automation remote sensing
* Toys control
* Sensor network
* Tire pressure monitoring
* Health monitoring
* Wireless PC peripherals

Shipping

1.  Items will be shipped within 3~5 days after we receive the full payment.

2.  We do not guarantee delivery time on all international shipments due to differences in customs clearing times in individual countries, which may affect how quickly your product is inspected.

3.  If you do not receive item within 60 working days (10 weeks), please contact us to investigate the case.

4.  Please note that buyers are responsible for all additional customs fees, brokerage fees, duties, and taxes for importation into your country. These additional fees may be collected at time of delivery. We will not refund shipping charges for refused shipments.

We can provide EMS, DHL, Fedex, TNT China Register Post Air Mail and etc.

* All free shipping on our store are mostly China Registered Post Air Mail.

* If you need fast shipping like DHL or other, you will need extra payment, pls contact sales to evaluate the price.

1, Any inquiries will be replied in 12 hours.

2, OEM/ODM service.
* Customer's own logo is available;
* We help customer realize their own thinking, idea, design;

3,After-sale Service.
* All products passed QC before shipping;
* All products will be well-packed before shipping;
* All products have 1 year guarantee. Damaged item is free to change or 
return in warranty period.

4, Payment Terms: T/T,Western Union/paypal/MoneyGram.
5, Shipping Company: China air post/HK,Singapore post/EMS/DHL/FEDEX.

A) Are you factory?
1)Yes, we are factory, we have our own R&D team, all products are developed by our own R&D team.

B) Do you offer technology support?
1) Yes, we offer technology support and ODM&OEM service. 
 

Our company is engaged in researching, developing, producing and selling IOT(internet of things) products. We devoted ourselves on providing good RF modules, walkie talkie modules and integrated digital sensor modules. Meanwhile, ODM and OEM projects are welcomed. With more than 10 years experience of product design in RF and sensors, we have earned a good reputation among our customers.