def METHOD_NAME(
        self, bandwidth_mhz: int = 10, frequency_mhz: int = 3625, max_eirp: int = 28,
) -> CbsdAPIDataBuilder:
    self.payload['grants'].append({
        'bandwidth_mhz': bandwidth_mhz,
        'frequency_mhz': frequency_mhz,
        'max_eirp': max_eirp,
        'state': 'authorized',
    })
    return self