Quick Overview 

• Very small size
• Light weight (under 4 grams without antenna)
• 433Mhz frequency band
• Receiver sensitivity to -117 dBm
• Transmit power up to 20dBm (100mW)
• Transparent serial link
• Air data rates up to 250kbps
• Range of approx 1 mile with supplied antennas
• Demonstrated range of several kilometers with a small omni antenna
• Can be used with a bi-directional amplifier for even more range
• 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)
• Open source firmware

Product Description

The SiK firmware includes a bootloader that permits radio firmware upgrades over the serial interface, and configuration of system parameters.

 Firmware upgrades and configuration are fully supported in the APM Mission Planner. Configuration is also possible through the 3DR Radio configurator and AT commands.Interface to the module is via standard 5V-tolerant TTL serial / FT232 USB serial.