---
name: "offWiFiSignalChange"
mode: "api"
versionRequirements:
  - { name: "@ray-js/lock-sdk", version: "1.0.0" }
title: "offWiFiSignalChange - 注销设备信号强度变化监听。"
summary: "注销设备信号强度变化监听。"
---

## offWiFiSignalChange

> [VERSION] @ray-js/lock-sdk >= 1.0.0

### 描述

取消订阅 Wi‑Fi 信号变化。

### 参数

| 参数 | 类型 | 必填 | 描述 |
| --- | --- | --- | --- |
| `cb` | `(params: WiFiSignalChangeParams) => void` | 是 | 与订阅时同一引用 |

##### WiFiSignalChangeParams 的属性

| 属性 | 类型 | 必填 | 默认值 | 描述 |
| --- | --- | --- | --- | --- |
| `signal` | `number` | 是 | - | 信号强度 |
| `level` | `"good" \| "normal" \| "weak" \| "bad"` | 是 | - | 信号等级 |
| `devId` | `string` | 否 | - | 设备 ID |


### 返回值

无


### 示例代码

#### 取消订阅

```ts
import { onWiFiSignalChange, offWiFiSignalChange } from '@ray-js/lock-sdk';
const handler = (payload: unknown) => console.log(payload);
onWiFiSignalChange(handler);
offWiFiSignalChange(handler);
```