Feature: 1. 3.2 IN WIDE ANGLE TOUCH SCREEN: Upgrades the first generation 2.8 inch screen to a 3.2 inch wide angle screen with perfect touch support. Increase the maximum power amplifier of the speaker by 3W and be able to switch with headphones. 2. ADD FEATURES: You can equip the speakers you need (not included) to achieve external functions. Supports USB charging and LED display of charging status. And it supports button on off, that is, single machine use. The original version can only be used after connection. 3. PURE HARDWARE LOGIC IMPLEMENTATION, WITHOUT AFFECTING SUBSEQUENT FIRMWARE UPGRADES: The original version does not support speaker placement. Upgrade the battery socket and equip it with a more suitable battery as standard, with the perfect size placed in the for One. 4. ANTI INTERFERENCE: The crystal oscillator can be upgraded to a DIP14 metal shell high accuracy active crystal oscillator without replacing the machine, with stronger anti interference ability 5. BUTTON UPGRADE: Based on the feedback from the first generation of button feel issues, upgrade the buttons to better feel buttons and equip them with keycaps, making it easier to match the casing of your own design. Specification: Item Type: LCD Screen Silver Case for One Mode: H2 Material: Aluminum Alloy, PCB TCXO Accuracy: 0.5ppm Touch Screen Size: 3.2 inches Main Board Built in Battery: CR2032 3V button battery 150mAh x 1 (shipped with built in battery) Battery Capacity: 2500mAh 3.7V lithium ion battery pack 104050 x 1 (shipped with matching battery) Introduction to Features: New 3.2 inch touch screen H2 with speaker socket Extended Touch Screen 3.2 inch Large Screen With sound input and output function (ADC, DAC) With memory card slot (storage data, playback data, frequency management) Equipped with TCXO high accuracy clock (0.5ppm), the frequency is as accurate as the walkie talkie The new firmware automatically switches to external TCXO (you can see in the menu that the clock source is external) Equipped with RTC clock function and built in CR1220 battery (recording the current time when saving baseband files) Supports offline GPS simulation 3.2 inch touch screen, supports battery charging (4.2V), long press the middle button (3 seconds) to turn on off, use the for MIC of for iOS or for Android headphones to send voice, and the headphones can listen to sound Can be paired with a 2500 milliampere high capacity battery for longer working time Supported features as of December 3, 2019: For App, mode specifics For Receivers For ADS B receiver For ACARS receiver For AIS For AFSK For Analog sound receiver For POCSAG receiver For Radiosonde receiver For TPMS For APRS For DMR framing For SIGFOX For LoRa For SSTV For TETRA framing For Transmitters For ADS B transmitter For APRS For Xy Ep transmitter For Key fob For LGE tool For Microphone transmitter For Morse transmitter For Burger pagers For LCR transmitter For Close Call For Signal generator For Frequency manager For OOK encoders For POCSAG transmitter For RDS transmitter For Soundboard For SSTV For TEDI, for LCR AFSK For Touch, Tunes remote For Custom remote Other For Play Dead mode For Pitch RSSI output For Stlth mode For Unistroke text entry Other Introductions: For H2 makes for One software defined radios portable. Adds an LCD touch screen, user interface navigation controls, sound output and input, mini storage card slot, 2.5 PPM crystal oscillator, real time clock backup battery, speakers, lithium battery charger, and center key power on off function (long press) for 3 to 4 seconds. The for H2 firmware provides a user interface and necessary signal processing, which can accomplish many useful things without a computer. . Package List: 6 x Shell 20 x Screw 4 x Nut 1 x Motherboard 1 x Knob 1 x Battery 1 x Connection Line 5 x Key Accessory Note: Without for ONE, you must use for ONE and first refresh the for Mayhem firmware to your for ONE.