Creating a vector wallpaper with a communication aesthetic can be achieved using Expo's built-in support for popular icon fonts. Here's a brief snippet to get you started:

Communication Aesthetic Vector Wallpaper

import React from 'react';
import { Feather } from '@expo/vector-icons';

const CommunicationAestheticWallpaper = () => {
  return (
    <View style={{ flex: 1, justifyContent: 'center', alignItems: 'center' }}>
      <Feather name="mail" size={200} color="#3498db" />
      <Feather name="phone" size={150} color="#f1c40f" />
      <Feather name="paper-plane" size={100} color="#e74c3c" />
    </View>
  );
};

export default CommunicationAestheticWallpaper;

This code uses the @expo/vector-icons package to render three communication-related icons (mail, phone, and paper plane) in a vector format. You can customize the size, color, and arrangement of the icons to fit your desired aesthetic.

To use this wallpaper as your app's background, you'll need to add it to your Expo project's App.js file or create a separate component for it.