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# AWS::GroundStation::Config Frequency
<a name="aws-properties-groundstation-config-frequency"></a>

 Defines a frequency. 

## Syntax
<a name="aws-properties-groundstation-config-frequency-syntax"></a>

To declare this entity in your CloudFormation template, use the following syntax:

### JSON
<a name="aws-properties-groundstation-config-frequency-syntax.json"></a>

```
{
  "[Units](#cfn-groundstation-config-frequency-units)" : {{String}},
  "[Value](#cfn-groundstation-config-frequency-value)" : {{Number}}
}
```

### YAML
<a name="aws-properties-groundstation-config-frequency-syntax.yaml"></a>

```
  [Units](#cfn-groundstation-config-frequency-units): {{String}}
  [Value](#cfn-groundstation-config-frequency-value): {{Number}}
```

## Properties
<a name="aws-properties-groundstation-config-frequency-properties"></a>

`Units`  <a name="cfn-groundstation-config-frequency-units"></a>
 The units of the frequency.   
*Required*: No  
*Type*: String  
*Allowed values*: `GHz | MHz | kHz`  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

`Value`  <a name="cfn-groundstation-config-frequency-value"></a>
 The value of the frequency. Valid values are between 2200 to 2300 MHz and 7750 to 8400 MHz for downlink and 2025 to 2120 MHz for uplink.   
*Required*: No  
*Type*: Number  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

## Examples
<a name="aws-properties-groundstation-config-frequency--examples"></a>

### Create a Frequency
<a name="aws-properties-groundstation-config-frequency--examples--Create_a_Frequency"></a>

The following example creates a Ground Station `Frequency`

#### JSON
<a name="aws-properties-groundstation-config-frequency--examples--Create_a_Frequency--json"></a>

```
{
  "CenterFrequency": {
    "Value": 7812,
    "Units": "MHz"
  },
}
```

#### YAML
<a name="aws-properties-groundstation-config-frequency--examples--Create_a_Frequency--yaml"></a>

```
CenterFrequency:
  Value: 7812
  Units: MHz
```