SU04 VS SUI04
Model Name SU04 SUI04
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Function Connect SU04 with flight controller PIXHAWK (of RadioLink or open source) /MINI PIX/TURBO PIX to realize obstacle avoidance of maximum 2 directions(forward/backward/left/right/upward) to guarantee safer flight.  Connect SUI04 with flight controller PIXHAWK (of RadioLink or open source) /MINI PIX/TURBO PIX via I2C expansion board to realize obstacle avoidance of 5 directions (forward, backward, left, right, upward) and altitude hold downward.
Firmware default firmware should upgrade the firmware to Copter V3.5.7 version first
Output I2C and UART(MAVlink protocol) automatically identified I2C Mode
Model Compatibility Helicopter, Multirotor, Airplane, Car, and Boat Multirotor
Beam angle 60° (transceiver)
Technical Advantage hardware and software dual filters technology
Flight Controller Compatibility Compatible with RADIOLINK flight controller PIXHAWK, MINPIX and TURBO PIX and PIXHAWK of open source
Detecting Precision 0.4CM
Detecting Precision 40-450cm
Input Voltage 4.5-5.5V
Current 18mA@5V
Power 90mA
Detecting Frequency 40±1.0KHz
Work Cycle 30ms
Detector Transceiver with Single Detector
Fade Area 40cm (15.75”,read as 0 fade area by FC)