Circuit optimization design, lower power consumption. Built-in temperature compensated crystal oscillator ensures high stability and accuracy of frequency control, and can compensate for temperature changes. Powerful turbine heat dissipation, double wind pressure cooling. Low noise operation without vibration interference. Support WIFI and Bluetooth connection. Model:Bandit Nano Express high-frequency Radio regulatory field:FCC915 MCU:Main MCU:ESP32, Auxiliary MCU:ESP8285 (Backpack) RF IC: SX1276 Minimum/maximum refresh rate:25Hz/200Hz RF power:1000mw/30dBm Interface:Standard 8-pin Nano interface Screen:OLED External power supply:XT30 power socket DC6V-16.8V Due to different batches, the printed words on the product will be different, which does not affect use. Colour:Black Material:Plastic Package Contents: 1 * High Frequency Receiver 1 * T-antenna 1 * English instruction manual 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.