Reference Manual

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Table Of Contents

Introduction
- Operational description
- Block diagram
- Ordering information
Electrical specifications
- Recommended operating conditions
- Absolute maximum ratings
- Power consumption
  - Static
- Radio characteristics
- Pin characteristics
- TX power vs current consumption
Pinout
Quick start guide
- Antenna connection
  - On-board PCB antenna
  - External antenna
- Minimal pin configuration
- Power up
- Region specific WLAN settings
- Quick start example
Functional description
- Key features
- Modes of operation
Host connection
- UART parameters
- Hardware flow control
- Timing and characteristics
The command interface
- Command types
- AT command characteristics
AT commands
- Device commands
- WLAN commands
- Network configuration commands
- Socket commands
- File system commands
  - File system operations
  - File operations
- Network application commands
- Events
Provisioning
- Start the provisioning mode
- Enter the credentials
Typical application use cases
- UDP communication
  - Prerequisites
  - UDP socket communication
- TCP communication
- Secure socket communication
- Wi-Fi direct example
- Running a web page on the radio module
Timing parameters
- Hard reset
- Soft reset
Firmware update
- Prerequisites
- Update procedure
Firmware history
Custom firmware
- Custom configuration of standard firmware
- Customer specific firmware
- Customer firmware
- Contact for firmware requests
Design in guide
- Advice for schematic and layout
- Dimensioning of the micro strip antenna line
- Antenna solutions
Reference design
- EV-Board
- Design Guide for FCC ID R7T1001102
- Application mode pins
Manufacturing information
- Moisture sensitivity level
- Soldering
- ESD handling
- Safety recommendations
Physical dimensions
- Dimensions
- Weight
- Module drawing
- Footprint
- Antenna free area
Marking
- Lot number
- General labeling information
  - Label of Calypso
Information for Ex protection
Regulatory compliance information
- Important notice EU
- EU Declaration of conformity
- FCC Compliance Statement
- IC Compliance Statement
- FCC and IC requirements to OEM integrators
- Pre-certified antennas
Important information
- General customer responsibility
- Customer responsibility related to specific, in particular safety-relevant applications
- Best care and attention
- Customer support for product specifications
- Product improvements
- Product life cycle
- Property rights
- General terms and conditions
Legal notice
- Exclusion of liability
- Suitability in customer applications
- Trademarks
- Usage restriction
License agreement for Würth Elektronik eiSos GmbH & Co. KG connectivity product firmware and software
- Limited license
- Usage and obligations
- Ownership
- Firmware update(s)
- Disclaimer of warranty
- Limitation of liability
- Applicable law and jurisdiction
- Severability clause
- Miscellaneous
Wi-Fi certificate
Error codes
- Disconnection reason codes
- Socket error codes
- Secure socket error codes
- WLAN error codes
- Device error codes
- Network config error codes
- File System error codes
- Other error codes
Root certificate catalog

22.5. Product improvements

Due to constant product improvement, product speciﬁcations may change from time to time.

As a standard reporting procedure of the Product Change Notiﬁcation (PCN) according to

the JEDEC-Standard, we inform about major changes in hard- or ﬁrmware. In case of further

queries regarding the PCN, the ﬁeld sales engineer, the internal sales person or the technical

support team in charge should be contacted. The basic responsibility of the customer as per

section

22.1

and

22.2

remains unaffected.

22.6. Product life cycle

Due to technical progress and economical evaluation we also reserve the right to discontin-

ue production and delivery of products. As a standard reporting procedure of the Product

Termination Notiﬁcation (PTN) according to the JEDEC-Standard we will inform at an early

stage about inevitable product discontinuance. According to this, we cannot ensure that all

products within our product range will always be available. Therefore, it needs to be veriﬁed

with the ﬁeld sales engineer or the internal sales person in charge about the current product

availability expectancy before or when the product for application design-in disposal is con-

sidered. The approach named above does not apply in the case of individual agreements

deviating from the foregoing for customer-speciﬁc products.

22.7. Property rights

All the rights for contractual products produced by Würth Elektronik eiSos GmbH & Co. KG

on the basis of ideas, development contracts as well as models or templates that are subject

to copyright, patent or commercial protection supplied to the customer will remain with Würth

Elektronik eiSos GmbH & Co. KG . Würth Elektronik eiSos GmbH & Co. KG does not warrant

or represent that any license, either expressed or implied, is granted under any patent right,

application, or process in which Würth Elektronik eiSos GmbH & Co. KG components or

services are used.

22.8. General terms and conditions

Unless otherwise agreed in individual contracts, all orders are subject to the current ver-

sion of the "General Terms and Conditions of Würth Elektronik eiSos Group", last version

available at www.we-online.com.