| SU04 VS SUI04 | ||
| Model Name | SU04 | SUI04 | 
| Picture | 
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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 a safer flight. | Connect SUI04 with RadioLink flight controllers PIXHAWK /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 | Helicopters, Multirotors, Airplanes, Cars, and Boats | Multirotor | 
| Beam angle | 60° (transceiver) | |
| Technical Advantage | hardware and software dual filter technology | |
| Flight Controller Compatibility | Compatible with RadioLink flight controllers CrossRace, CrossFlight, PIXHAWK, Mini Pix, and TURBO PiX and PIXHAWK of open source | Compatible with RadioLink flight controllers PIXHAWK, Mini Pix, and TURBO PiX | 
| Detecting Precision | 0.4CM | |
| Detecting Precision | 40-450cm | |
| Input Voltage | 4.5-5.5V | |
| Current | ||
| 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) | |