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1.

 

Overview

   

WFM

220

 

is

 

a

 

wireless

 

communication

 

modem

 

based

 

on

 

IEEE802.11,

 

which

 

can

 

be

   

widely

   

used

   

in

   

home

   

automation

   

and

   

security,

   

automatic

   

meter

   

reading,

   

factory

 

automation,

 

toys

 

and

 

so

 

on.

   

 

2.

 

SPECIFICATION

 

UIS/Wireless RF Module 

Model No. 

WFM-220 

General Specification 

Specification 

2.4-GHz IEEE 802.11 Compliant RF 

Transceiver 

Transmit Frequency 

2412MHz to 2462MHz 

WiFi 

b/g/n 

Programmable Output Power 

Up to 20 dBm 

Operation Voltage 

2.0V~3.6V 

Environmental 

Operating Temperature 

  -10°C to 70°C 

Storage Temperature 

  -40°C to 85°C 

Humidity 

90% RH Max., Non-Condensing 

Mechanical Specification 

Dimension (WxHxD, mm) 

25x16.5x3 

 

3.

 

Pin

 

Assignment

 

 
 
 
 
 

Pin

 

Name

 

Description

 

direction

 

1

 

TP1

 

3.3V

 

‐ 

2

 

TP2

 

GND

 

‐ 

3

 

TP3

 

GND

 

‐ 

4

 

TP4

 

GND

 

‐ 

5

 

TP5

 

GND

 

‐ 

6

 

TP6

 

D+

 

I/O

 

7

 

TP7

 

D

‐ 

I/O

 

8

 

TP8

 

3.3V

 

‐ 

 

4.

 

Dimension

 

 

 

 

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