Specification

3G/4G receiver board

Microprocessor:

• STM32F417 32-bit 168MHz

Sensors:

• 2 megapixel camera 
• GPS/Glonass sensor with antenna (external)

Interfaces:

• 1x USB type A port for USB modem connection
• 1x mini USB port for MCU firmware upgrade
• 4-pin GPS sensor connector
• 5-pin flight controller connector
• 3-pin servo/GPIO connector
• 2-pin LiPo 3S/4S voltage sensing ADC connector
• 1x I2C

Power:

• +5V DC from flight controller BEC or ESC BEC
• 650 mA max current with connected USB modem

Weight and dimensions:

• Weight: 30g
• Width x Length x Thickness: 50x50x13 mm

Operating parameters (with current software release):

• FPV video: color, 6-15 fps, 0.3-0.7 sec end-to-end latency *
• FPV video resolution: 160x120, 320x240 (default), 352x288
• USB modem support: Huawei E3272, E1550, E3370

* FPS and latency depends on 3G/4G mobile network quality and video resolution

Control panel

Features:

• Control panel is developed in form of web app
• Can be opened in any modern browser (Safari, Chrome, Firefox etc.)
• Supported platforms: iOS, Android with touch screen and 1024x768 min screen resolution
• Pitch, roll, yaw, throttle and 3 position switch control with 0.5 sec update period
• On-fly FPV video resolution change

Control panel provide following information to user:

• FPV video stream from camera
• Current drone position on the map
• Distance from  start point to current position in meters
• Current altitude above sea level
• Current ground speed
• Current 3S/4S battery voltage

Little flight from river bank above forest and landing in the old quarry.
Distance about 1 km.