Happymodel ExpressLRS FPV ELRS ES900TX ES900RX 915MHz 868 MHz Long Range Module for Radiomaster TX16S Micro Long Range Drone Category_DIY Toy Accessories with hardware floating point processing

with hardware floating point processing unit

3) Helicopters - Elf constant speed mode

AT10 and AT9S

Functions and features :

such as vehicles

Happymodel ExpressLRS FPV ELRS ES900TX ES900RX 915MHz 868 MHz Long Range Module for Radiomaster TX16S Micro Long Range Drone Category_DIY Toy Accessories with hardware floating point processingItem: ExpressLRS ES900TX ES900RX 915MHz Long Range Module Parameters: ES900TX: MCU: ESP32+ESP8285 Dimension: 55mm*39mm*11mm Weight: 9. 2gram (only the TX module) Antenna connector: SMA VCC input: 5~13v, Recommend 5v~9v RF Frequency optional: 915mhz or 868mhz(EU) Maximum Output Power: <33dBm(For >27dBm operation, we recommend add a fan for force cooling) Wifi update firmware function for ES900TX would be available in a short time. ES900RX: MCU: ESP8285