Shooting raw images on the Huawei P30 Pro

Observations and workflow

Prerequisites Google Photos for Android PhotoShop for Android Lightroom (free) for Android Launch the camera in Pro mode and update your settings to 40MP and raw. Now when you take a shot you’ll get the normal JPEG but also the raw file (DNG) that the camera used to generate the image. Workflow Take some photos in Pro camera mode. Overexpose by taking manual control of the shutter and slowing it down Open Google Photos and you’ll see the phone has also generated some JPEGs alongside. [Read More]

Mobile frequency allocation

GSM 850-900 MHz 1.228 MHz = 3Mb/s Wireless 802.11n 40 MHz channel width 2.4 GHz 5 GHz https://en.wikipedia.org/wiki/List_of_WLAN_channels#/media/File:2.4_GHz_Wi-Fi_channels_(802.11b,g_WLAN).svg 2412, 2417, 2422, 2427 2432, 2437, 2442, 2447 2452, 2457, 2462, 2467 2472, 2484 UMTS (3G) 3GPP W-CDMA (wideband) 2100 MHz 5 MHz = 2Mb/s Each cell uses 1.8-12 kb/s U-NII 5.150 - 5.925 https://en.wikipedia.org/wiki/U-NII Bluetooth 2.4 to 2.485 GHz A computer chip selects the 79 channels of the ISM band automatically to prevent eavesdropping and interference with other equipment. [Read More]