@dderevjanik/termux-api/src/scripts/termux-telephony-cellinfo.ts

This library allows you to interact with your Android device from Node.js using termux-api

import { exec } from "child_process";

/**
 * Represents the signal information for a cellular network.
 */
export interface CellularNetworkInfo {
  /**
   * The type of the network.
   * @example "lte"
   */
  type: string;

  /**
   * Indicates if the network is registered.
   * @example true
   */
  registered: boolean;

  /**
   * The ASU (Arbitrary Strength Unit) level of the network.
   * @example 39
   */
  asu: number;

  /**
   * The signal strength in dBm.
   * @example -101
   */
  dbm: number;

  /**
   * The signal level.
   * @example 2
   */
  level: number;

  /**
   * The Cell Identity (optional).
   * @example 7948075
   */
  ci?: number;

  /**
   * The Physical Cell Identity.
   * @example 143
   */
  pci: number;

  /**
   * The Tracking Area Code (optional).
   * @example 21040
   */
  tac?: number;

  /**
   * The Mobile Country Code (optional).
   * @example 231
   */
  mcc?: number;

  /**
   * The Mobile Network Code (optional).
   * @example 1
   */
  mnc?: number;
}

/**
 * Call a telephony number
 */
export async function telephonyCellInfo(): Promise<CellularNetworkInfo> {
  return new Promise<CellularNetworkInfo>((resolve, reject) => {
    const command = `termux-telephony-cellinfo`;
    exec(command, (error, stdout, stderr) => {
      if (error) {
        return reject(`Error: ${error.message}`);
      }
      if (stderr) {
        return reject(`Error: ${stderr}`);
      }
      const output = stdout.trim();
      const cameraCapabilities: CellularNetworkInfo = JSON.parse(output);
      return resolve(cameraCapabilities);
    });
  });
}