RFD900A 915Mhz 3DR Radio Telemetry Modem Module UAV 40KM Ultra Long Range Data Link Transmission for PIX APM RC Drone Airplane

Main Features
RFD900A is a compact and high performance wireless data transmission module. The main features are:
-No distinction between transceiver and transmitter design, each module is integrated with USB serial chip, USB and UART interface automatically switch, USB priority
-Operating frequency range 902-928 MHz, ISM band
The transmitter circuit is designed with a low noise amplifier greater than 20DB, and low-pass filtering unit is added -The transmitting power can be adjusted, the maximum 1W transmitting power
-Receive circuitry pre-sensitive LNA and SAW circuitry
-Outdoor communication distance of 40 km or more (depending on antenna performance and communication rate requirements) -Air data rate of up to 250Kbps
-Dual antenna interface, support antenna diversity, differentiated antenna configuration
-Support local radio AT command configuration, remote radio RT command configuration
-With module temperature monitoring, automatic duty cycle adjustment based on temperature to avoid overheating -Operating temperature -40 to +85 degrees Celsius
-Dimensions 33 mm x 53 mm x 9.5 mm
-Weight 23 g

RETURNS POLICY

1. Please contact us first with following information before shipping back:
-order number/contact person
-reason for returning
After confirmed with us, return instructions will be emailed to you.

2. We may require restocking fee(shipping cost) for returned merchandise without any quality problems. A re-stocking fee does not apply to defective products.

3. All merchandise returned must be packaged well to protect it from shipping damage, and must be sent with a shipping method that provides tracking information. We can not be held responsible for damage that occurs in transit. 
4. For merchandise that a customer wants to return for a refund, We requires that the item and its packaging be in un-used, "like new" condition with all original packaging, cabling, manuals, etc. included, or the return will be refused. Inspect your product carefully before shipping as any signs of wear or use will result in a refused product return.

Please also include a note about your personal Info and the problems.

1.Your order number/Contact person
2.Your Detailed shipping address
3.why you have to return it?
4.what do you need us to do?
5.which part is broken?
6.Any problem you can find so far with the returned item.

SHIPPING

After order placed, you will receive a confirmation email.Once your order is shipped, you will receive tracking number and link via email.We offer express shipping , battery shipping, drone shipping to all over the world.If you have special declare value, shipping company requirment, please email us: hi@insightfpv.com