User Manual

OrangeRX OpenLRSng 915MHz with Bluetooth
The all new Orange OpenLRSng TX and RX Module set is an open source transmitter
module and receiver that can be programmed to use your choice of protocol and any channel
in the 915MHz range. It is a fully user-customizable RF transmitter system. It can even be
programmed to utilize extra features such as telemetry, operative remote control via stics
(cPPM ready) and mission control
The set is designed for using with APM flight control mostly. The tx module is equipped with
Bluetooth module so user can connect it to the tablet, smartphone or PC via Bluetooth. All
telemetry data, mission planning and flight modes will be available in APM Mission Planner
on PC or Droid Planner or similar app on Android device without any cable attached to the
remote control.
The Orange OpenLRSng is very versatile system perfect for your custom projects.
It utilizes a 1000mW RFM22B RF unit and Atmega328 processor with Arduino Bootloader
allowing you to upload pre-written codes or write your own to suit your transmitter needs.
The default code utilizes 3 channel frequency hopping. If you would like to use a different
protocol, you can write your own hopping codes or simply download one of the many pre-
written OpenLRS code sets already available.
• 915hz frequency band
• Receiver sensitivity to -117 dBm
• Transmit power up to 20dBm (500mW)
• Transparent serial link
• Air data rates up to 250kbps