(1) High-performance ESP32--D4 master control, dual-frequency SX1281 chip, true diversity dual antenna receiver. (2) High-frequency anti-interference, 2.4GHz frequency, strong signal penetration. (3) High-speed data transmission, support F1000Hz and F500Hz ultra-high refresh rates, meet the low latency requirements of racing players. (4) Onboard temperature-compensated crystal oscillator (TCXO), refuses ambient temperature to affect flight, maintains stable operation in high or cold environments, making flight . (5) Integrated with dual-channel high-power PA+LNA low-noise amplifier and 100mW (20dBm) x 2 telemetry return, the return of flight data is more stable. (6) Onboard RGB color indicator, quickly identify different working status. (7) Support SH1.0-4P socket and 2.54-4P pad, two connection methods to meet scenarios. Material: Plastic Color: As Shown A Style:2PCS 220mm antenna Package Contents: 1 x Dual Antenna Receiver kit 1 x Instructions in Chinese and English Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.