Bluetooth Capabilities: Equipped with BLE5.0 and BLE Mesh, offering versatile wireless connectivity options. Display Integration: Includes a Type C OLED for clear and responsive visual feedback during testing. Broadband: Features a 3 decibels bandwidth for optimal signal quality and transmission efficiency. Temperature Resilience: Withstands up to 105℃ in volatile conditions, ideal for robust fixed wireless applications. Frequency Range: Operates within 410-493 MHz, ensuring reliable connectivity in environments. Due to different batches, there may be differences in product appearance, color, and printed text, which not affect the use. Color:Black Material:PCB Package Contents: 1 * Wireless Test Development Board 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.