The Default Baud Rate Of The Radio Telemetry Is 57600, Not 115200. Select The Correct Com Port And Do Not Select Autothese Products Are Diy Products, If Have Any Problem ,Like Technical Issues, Pls Kindly Contact Us, We Are Pleasure To Provide You The Best Service ,Thanks.

Features:

*I Preprogram These Radios To The Correct Bod Rate So You Can Just Connect Them To Your Quadrino And Start Chaning Pid'S On The Fly.

*It'S Availabl In 915Mhz; And In The Following Configurations: Serial Board (For The Air) And Usb (For The Ground).

*The Radio Is A 2-Way Half-Duplex Wireless Communication System With A Standard Ttl Uart Interface, Based On Hoperf'S Hm-Trp Data Link Modules,

And Custom Firmware That Improves Upon The Modules' Original Features And Performance.

*The Sik Firmware Includes A Bootloader That Permits Radio Firmware Upgrades Over The Serial Interface,And Radio Firmware With Configurable Parameters.

*Firmware Upgrades And Configuration Are Fully Supported In The Apm Mission Planner.Configuration Is Also Possible Through At Commands.

3Dr Telemetry Kit Specifications:

- Very Small Size

- Light Weight (Under 4 Grams Without Antenna)

- Receiver Sensitivity To -118 Dbm

- Transmit Power Up To 27Dbm (500Mw)

- Transparent Serial Link

- Air Data Rates Up To 250Kbps

- Mavlink Protocol Framing And Status Reporting

- Frequency Hopping Spread Spectrum (Fhss)

- Adaptive Time Division Multiplexing (Tdm)

- Support For Lbt And Afa

- Configurable Duty Cycle

- Built In Error Correcting Code (Can Correct Up To 25% Data Bit Errors)

- Demonstrated Range Of Several Kilometers With A Small Omni Antenna

- Can Be Used With A Bi-Directional Amplifier For Even More Range

- Open Source Firmware

- At Commands For Radio Configuration

- Rt Commands For Remote R

Features