bids are invited for elrs receiver - a low latency long range radio control module used in drones to receive control signals from the transmitter and provide highly reliable flight command communication , ublox gps module - a satellite navigation receiver used in drones to provide accurate real time position altitude and timing data for navigation and autonomous flight , triblade propellor 7 inch - a three bladed drone prop designed for fpv drones, providing a balance of high thrust stability and responsive control for 7inch racing or longrange quadcopters , triblade propellor 10 inch - a three bladed drone prop designed for high thrust and efficient lift commonly used in long range and heavy lift uavs for stable and powerful flight performance , wireless dongle - a compact usb device that enables a computer to connect to wireless networks or peripherals such as wi-fi without built in wireless hardware. , communication handset - a portable device used for voice data and application based communication enabling real time connectivity monitoring, and control in field operations. total quantity : 33