UHF RFID Reader Writer Module

1.Model:CF-MU940

2.Size:69*43*10.5mm 

3.Support:ISO18000-6C(EPC GEN2) 

4.Interface:RS232/USB 

5.Range:3.5m(3dbi antenna)


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Product Details


General Description

CF-MU940 is a high performance UHF RFID Reader Module. It is designed upon fully self-intellectual property. Based on proprietary efficient digital signal processing algorithm, it supports fast tag read/write operation with high identification rate. It can be widely applied in many RFID application systems such as logistics, access control, attendance system, anti-counterfeit and industrial production process control system.

FEATURES

  • Self-intellectual property;

  • Support ISO18000-6C(EPC C1G2) protocol tag;

  • 865~868MHz, 902~928MHz frequency band(frequency customization optional);

  • FHSS or Fix Frequency transmission;

  • RF output power up to 30dbm (adjustable with 1db step);

  • Effective distance 9m with 6dBiL antenna and E41 tag;

  • Support four external antennae with MMCX-J socket;

  • Low power dissipation with single +5V DC power supply;

  • Support 3 GPIO port with 2outputs and 1 input;

  • Support RS232(TTL level) interface and USB 2.0 interface.

INTERFACE

  1.   Antenna socket

  2.  Host connector

No.

Symbol

Comment

1,2

VCC

+5VDC

3,4

GND

GND

5

USB_5VSENSE

USB Detection Pin

6

nRST

Low level effective external reset input with internal pull-up to 3.3V.

7,8

ANT1,ANT0

Antenna Indicator

00-   ANT1

01-   ANT2

02-   ANT3

03-   ANT4

9

USB-DM

USB Data Minus

10

USB-DP

USB Data Positive

11,12

GPO2,GPO1

General Output

13

GPI1

General Input

14

TXD

Serial Data Output

15

RXD

Serial Data Input

CHARACTERISTICS

l  Absolute Maximum Rating

ITEM

SYMBOL

VALUE

UNIT

Power Supply

VCC

6

V

Operating Temp.

TOPR

-20~+55

Storage Temp.

 

TSTR

-25~+75

l  Electrical and Mechanical Specification

Under TA=25℃,VCC=+5V unless specified

ITEM

SYMBOL

MIN

TYP

MAX

UNIT

Power Supply

VCC

4.75

5.0

5.25

V

Current Dissipation

IC



1500

mA

Frequency

FREQ

865


928

MHz

Size

(including shielding and heat sinking)

L x W x H


69 x 43 x 10.5

 

 


mm

Application Information

1.       When designing fixed reader with CF-MU940, please take care of heat sinking and remember to make sure the heat sinker of the module is closely and stably attached to the reader’s bottom plate;

2.       ANT1 is the default antenna port. Please pay attention to antenna port’s definition.

3.       Please refer to CF-MU940 user’s manual for detailed protocol description.                                    

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