---
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

`Params`

| 参数 | 类型 | 必填 | 描述 |
| --- | --- | --- | --- |
| `cb` | `WiFiSignalChangeListener` | 是 | 与订阅时同一引用 |

### 返回值

无


### 引用对象

##### `type` WiFiSignalChangeListener

设备信号强度变化回调函数

```typescript
export type WiFiSignalChangeListener = (params: WiFiSignalChangeParams) => void;
```


### 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);
```