1. 150CH 5.8Ghz analog signal, 1500 scans cover all bands. 2. Resolution 640*480 30fps. 3. Can display frequency spectrum, to check the signal strength of antenna or transmitter. 4. Support dual display on smartphone, can be used as VR goggles. 5. calibrate it in open area, and keep from transmitter more than 30m. Long press the button and power on receiver, enter into calibration mode. Descriptions: 1. Support OTG cable connect to android smartphone or tablet. 2. Single Antenna FPV receiver for Android Tablet PC Monitor. Frequency: 5645MHz~5945MHz Working Current: USB 5V 190mA Connector: RP-SMA Working Temp.: -10C~65C Size: 59x40x11mm/2.30x1.56x0.43in Weight: 29g/1.02oz Wheelbase: Screws Technical parameters: Value 2 Model Number: Mini 5.8G OTG Receiver For Vehicle Type: Airplanes Tool Supplies: Assembled class Four-wheel Drive : Assemblage Remote Control Peripherals/Devices: Receivers Upgrade Parts/Accessories: Receivers RC Parts & Accs: Receivers color:Black Material:plastic Package Contents: 1 x 5.8Ghz 150ch Receiver 1 x OTG Cable 1 x Type-C cable 1 x Antenna 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.