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Dual Frequency Reader RFID Wireless Module UART 13.56MHz 125KHz for IC Card

1.Description:

7941W is a multi-protocol dual-band read and write module.set IC and ID read and write one.It can read a variety of IC and ID card.Support Mifare1K,UID card,IC card,T5577 ID card.

2.Features:

1>.Voltage: DC 5V

2>.Current: 50mA

3>.Distance: Mifare>3cm; EM>5cm

4>.Size: 47mmX26mmX5mm

5>.Interface: UART, Wiegand

6>.Support Chips: ISO/IEC 14443 A/MIFARE, NTAG, MF1xxS20, MF1xxS70, MF1xxS50

7>. EM4100, T5577 read and write function

8>.Operating Temperature: -25~85 Celsius

3.Connection Introduction:

1>.5V: DC 5V power supply pin; if you use linearity power, it will gain better effects

2>.RX: receive pin

3>.TX: transmit pin

4>.GND: power supply ground pin

5>.IO: definition

4. Protocol Introduction: (UART serial port communication protocol is shown as below)

Sending Protocol:
Protocol Header	Address	Command	Data Length	Data	XOR Check
AB BA	1 Byte	1 Byte	1 Byte	1-255 Byte	1 Byte

Receiving Protocol:
Protocol Header	Address	Command	Data Length	Data	XOR Check
CD DC	1 Byte	1 Byte	1 Byte	1-255 Byte	1 Byte

1>. Protocol Header: send (0xAB 0xBA)

2>. Return: (0xCD 0xDC)

3>. Address: default 0x00

4>. Command:

Send:

1). 0x10 read UID number

2). 0x11 write UID number (4 bytes), use default password ffffffffffff

3). 0x12 read specified sector

4). 0x13 write specified sector

5). 0x14 modify the password of group A or group B

6). 0x15 read ID number

7). 0x16 write T5577 number

8). 0x17 read all sector data (M1-1K card)

Return:

1).0x81 return operation succeeded

2).0x80 return operation failed

5>. Data Length: means following data length; if it’s 0, then the following data will not occur

6>. Data: read and written data

Sending Data:

1).Read Specified Sector: the first byte of the data represents sector; the second byte means the certain block of the sector; the third byte means A or B group password (0x0A/0x0B); then it comes with password of 6 bytes

2).Write Specified Sector: the first byte of the data represents sector; the second byte means the certain block of the sector; the third byte means A or B group password (0x0A/0x0B); then it comes with password of 6 bytes and block data of 16 bytes

3).Modify Password: the first byte means the certain sector; the second byte means A or B group password (0x0A/0x0B); then it comes with old password of 6 byte and new password

Receiving Data:

Read specified sector return data format, the first byte is sector; the second byte is the certain block of sector; then it comes with block data of 16 bytes

7>. XOR check: result of other bytes check except protocol header

5.Example:

AB BA 00 10 00 10

AB BA 00 11 04 6D E9 5C 17 DA

AB BA 00 12 09 00 01 0A FF FF FF FF FF FF 10

AB BA 00 13 19 00 01 0A FF FF FF FF FF FF 00 01 02 03 04 05 06 07 08 09 01 02 03 04 05 06 07

AB BA 00 14 0E 00 0A FF FF FF FF FF FF 01 02 03 04 05 06 17

AB BA 00 15 00 15

AB BA 00 16 05 2E 00 B6 A3 02 2A

AB BA 17 07 0A FF FF FF FF FF FF 1A

6.Applications:

1>.Attendance Fingerprint Read Write Module

2>.Entrance Guard Intercom Read Write Module

3>.Replicator

Dual Frequency WG26 Read/Write RFID Wireless Module 13.56MHz 125KHz for IC Card

1.Description:

7941D reader module, integrated high performance card reading radio frequency circuit and antenna; and it also supports ID and IC card, and choose wiegand or UART interface to output data. Small size allows it to be widely applied to more devices, such as fingerprint machine, attendance machine, entrance guard

2.Features:

1>. Voltage: DC 5V

2>. Current: 40mA

3>. Support 125KHz and 13.56MHz (ISO14443A) card

4>. Interface: wiegand, UART

5>. Size: 47*26*5mm (includes antenna)

6>. Operating Temperature: -20~70 Celsius

7>. EM4100 Card Reading Distance: >8cm

8>. Mifare S50 S70, Desfire, FM1208 Card Reading Distance >5cm

3.Connection Introduction:

1>.Power: DC 5V power supply, choose linearity power can gain better effects

2>.D1 D0: wiegand data output DATA1, DATA0

3>.FOR: format selection (hanging means W26, ground connection means W34)

4. Wirgand Interface Output Introduction:

1>.When it sensors the card, the serial number will be output via Data 0, Data 1 two data wire

2>.Data 0 and Data 1 are high level when there is no data output

3>.Data Bit 0: it will generate 400us low level on Data 0 wire

4>.Data Bit 1: it will generate 400us low level on Data 1 wire

5>.Every data length is 2400us

6>.Every Mifare card has a serial number with 4 bytes, users should output the last three bytes

7>.Add the first 12-bit even check bit in the front and add the last 12-bit odd check bit in the back, 26-bit data in total

8>.Card number is 6B 3D 12 D6

9>.Output data is 3D 12 D6

10>.Weigand 26 Code

0	111101	10010	11010110	1
Even Check	3D	12	D6	Odd Check

11>.Weigand 34 Code

Weigand 34 Code
0	1101011	111101	10010	11010110	0
Even Check	6B	3D	12	D6	Odd Check

12>.UART Interface Output

UART Interface Output
Data Head	Length	Card Type	Card Type	BCC Check	Data End
0x02	0x09	0x01	SN0~SN3	XOR Check Except Data Head And Data End	0x03

13>.Card Type:

0x02 EM4100

0x01 MIFARE 1K

0x03 MIFARE 4K

0x10 HID Card

0x11 T5567

0x20 2nd Card

0x21 ISO14443B

0x22 FELICA

0x30 15693 Label

0x50 CPU Card

0x51 Sector Information

0xFF Keyboard Data

For example: the data received by serial port tool is 02 0A 02 2E 00 B6 D7 B5 F2 03, then

The first byte 0x02 means data start
The second byte 0x0A means the whole data length is 10 bytes, which includes data start and data end

The third byte 0x02 means the card type is EM4100

The fourth to eighth byte (0x2E 0x00 0xB6 0xD7 0xB5) means the read card number, and the fourth byte 0x2E is hidden card number

The ninth byte 0xF2 means BCC check of second byte to eighth byte

The tenth byte 0x03 means data end

5.Notice:

Keep away from interference source, and strong interference signal may affect card reading

Select linearity power can improve the card reading distance and effect; switch power may attenuate the distance but will not influence normal operation

The module can operate normally in the range of 3-5V, please do not use higher voltage

This module has high frequency signal, so it may cause some interference to the analog circuit. Uses should place the module a little far away from the buzzer; if the distance is too close, the sound of the buzzer will be low

6.Applications:

1>.Attendance Fingerprint Read Write Module

2>.Entrance Guard Intercom Read Write Module

3>.Replicator

4>.Attendance fingerprint card reader module

5>.Entrance guard intercom card reader module

RFID Reader Wireless Module UART 3Pin 13.56MHz ISO14443A 5CM DC 5V for IC Card

1.Description:

7941M card reader module, integrated high performance card reading radio frequency circuit and antenna and users can select wiegand or TTL interface. Rich application support, it supports various cards card reading operation

2.Features:

1>. Voltage: DC 5V

2>. Current: 40mA

3>. Support ISO14443 protocol card UID reading

4>. Interface: Wiegand

5>. Size: 47*26*5mm

6>. Operating Temperature: -20~70 Celsius

7>. Support Mifare S50 S70, Desfire, FM1208 card reading

8>. Card Reading Distance: >5cm

3.Connection Introduction:

1>.Power: DC 5V power supply, choose linearity power can gain better effects

2>.D1 D0: wiegand data output DATA1, DATA0

3>.FOR: format selection (hanging means W26, ground connection means W34)

4. Wirgand Interface Output Introduction:

1>.When it sensors the card, the serial number will be output via Data 0, Data 1 two data wire

2>.Data 0 and Data 1 are high level when there is no data output

3>.Data Bit 0: it will generate 400us low level on Data 0 wire

4>.Data Bit 1: it will generate 400us low level on Data 1 wire

5>.Every data length is 2400us

6>.Every Mifare card has a serial number with 4 bytes, users should output the last three bytes

7>.Add the first 12-bit even check bit in the front and add the last 12-bit odd check bit in the back, 26-bit data in total

8>.Card number is 6B 3D 12 D6

9>.Output data is 3D 12 D6

10>.Weigand 26 Code

0	111101	10010	11010110	1
Even Check	3D	12	D6	Odd Check

11>.Weigand 34 Code

Weigand 34 Code
0	1101011	111101	10010	11010110	0
Even Check	6B	3D	12	D6	Odd Check

12>.UART Interface Output

UART Interface Output
Data Head	Length	Card Type	Card Type	BCC Check	Data End
0x02	0x09	0x01	SN0~SN3	XOR Check Except Data Head And Data End	0x03

13>.Card Type:

0x02 EM4100

0x01 MIFARE 1K

0x03 MIFARE 4K

0x10 HID Card

0x11 T5567

0x20 2nd Card

0x21 ISO14443B

0x22 FELICA

0x30 15693 Label

0x50 CPU Card

0x51 Sector Information

0xFF Keyboard Data

For example: the data received by serial port tool is 02 0A 02 2E 00 B6 D7 B5 F2 03, then

The first byte 0x02 means data start
The second byte 0x0A means the whole data length is 10 bytes, which includes data start and data end

The third byte 0x02 means the card type is EM4100

The fourth to eighth byte (0x2E 0x00 0xB6 0xD7 0xB5) means the read card number, and the fourth byte 0x2E is hidden card number

The ninth byte 0xF2 means BCC check of second byte to eighth byte

The tenth byte 0x03 means data end

5.Notice:

Keep away from interference source, and strong interference signal may affect card reading

Select linearity power can improve the card reading distance and effect; switch power may attenuate the distance but will not influence normal operation

The module can operate normally in the range of 3-5V, please do not use higher voltage

6.Applications:

1>.Attendance Fingerprint Read Write Module

2>.Entrance Guard Intercom Read Write Module

3>.Replicator

4>.Attendance fingerprint card reader module

5>.Entrance guard intercom card reader module

RFID Reader/Writer Wireless Module UART 3Pin 125KHz EM4100 8CM DC 5V for IC Card

1.Description:

7941E card reader module, integrated high performance card reading radio frequency circuit and antenna and users can select wiegand or UART interface. Rich application support, it supports various cards card reading operation

2.Features:

1>. Voltage: DC 5V

2>. Current: 40mA

3>. Support 125KHz card reading

4>. Interface: Wiegand, UART

5>. Size: 47*26*5mm

6>. Operating Temperature: -20~70 Celsius

7>. EM4100 Card Reading Distance: >8cm

3.Connection Introduction:

1>.Power: DC 5V power supply, choose linearity power can gain better effects

2>.D1 D0: wiegand data output DATA1, DATA0

3>.FOR: format selection (hanging means W26, ground connection means W34)

4. Wirgand Interface Output Introduction:

1>.When it sensors the card, the serial number will be output via Data 0, Data 1 two data wire

2>.Data 0 and Data 1 are high level when there is no data output

3>.Data Bit 0: it will generate 400us low level on Data 0 wire

4>.Data Bit 1: it will generate 400us low level on Data 1 wire

5>.Every data length is 2400us

6>.Every Mifare card has a serial number with 4 bytes, users should output the last three bytes

7>.Add the first 12-bit even check bit in the front and add the last 12-bit odd check bit in the back, 26-bit data in total

8>.Card number is 6B 3D 12 D6

9>.Output data is 3D 12 D6

10>.Weigand 26 Code

0	111101	10010	11010110	1
Even Check	3D	12	D6	Odd Check

11>.Weigand 34 Code

Weigand 34 Code
0	1101011	111101	10010	11010110	0
Even Check	6B	3D	12	D6	Odd Check

12>.UART Interface Output

UART Interface Output
Data Head	Length	Card Type	Card Type	BCC Check	Data End
0x02	0x09	0x01	SN0~SN3	XOR Check Except Data Head And Data End	0x03

13>.Card Type:

0x02 EM4100

0x01 MIFARE 1K

0x03 MIFARE 4K

0x10 HID Card

0x11 T5567

0x20 2nd Card

0x21 ISO14443B

0x22 FELICA

0x30 15693 Label

0x50 CPU Card

0x51 Sector Information

0xFF Keyboard Data

For example: the data received by serial port tool is 02 0A 02 2E 00 B6 D7 B5 F2 03, then

The first byte 0x02 means data start
The second byte 0x0A means the whole data length is 10 bytes, which includes data start and data end

The third byte 0x02 means the card type is EM4100

The fourth to eighth byte (0x2E 0x00 0xB6 0xD7 0xB5) means the read card number, and the fourth byte 0x2E is hidden card number

The ninth byte 0xF2 means BCC check of second byte to eighth byte

The tenth byte 0x03 means data end

5.Notice:

Keep away from interference source, and strong interference signal may affect card reading

Select linearity power can improve the card reading distance and effect; switch power may attenuate the distance but will not influence normal operation

The module can operate normally in the range of 3-5V, please do not use higher voltage

6.Applications:

1>.Attendance Fingerprint Read Write Module

2>.Entrance Guard Intercom Read Write Module

3>.Replicator

4>.Attendance fingerprint card reader module

5>.Entrance guard intercom card reader module

Dual Frequency RFID Read/Write Wireless Module 13.56MHz 125KHz ISO14443A EM4100

1.Description:

7304D entrance guard card reader, it has brief appearance. It built-in 13.56MHz and 125KHz dual frequency card reading function, supports ISO14443A card and EM4100 card reading operation

2.Features:

1>. Power: DC 5-15V

2>. Operating Current: max<100mA

3>. Operating Frequency: 13.56MHz+/-5KHz; 125KHz

4>. Support common ISO14443A protocol

5>. Support EM4100 and its compatible card

6>. Card Reading Distance: IC>5cm; ID>5cm

7>. 1 channel Wiegand data output port, support WG26, WG34 multiple format to choose

8>. Card sensor speed is lower than 100ms

9>. 1 channel LED control input

10>. 1 channel BUZ control input

11>. Size 74*115*16mm

12>. Operating Temperature: -20~60 Celsius

13>. Operating Humidity: 10%-95%

3.Connection Introduction:

No.	Color	Name	Introduction
1	Red	VCC	Power Input Port
2	Brown	FOR	Wiegand Format Selection
3	Blue		Undefined
4	Yellow	BUZ	Buzzer Control
5	Orange	LED	LED Control
6	Green	D1	Wiegand Output
7	White	D0	Wiegand Output
8	Black	GND	Power Ground

4.Support Common Card List:

ISO14443 TYPE A	1.NXP_Mifare 1K
	2.NXP_Mifare 4K
	3.NXP_Mifare mini
	4.Ultralight(C)
	5.Mifare PlusX(S)
	6.Desfire D21 D41 D81
	7.NTAG203(F)
125KHZ	1.EM4100
	2.EM4200
	3.JT120

5.Data Output Format:

When it sensors the card, the serial number will be output via Data 0, Data 1 two data wire

Data 0 and Data 1 are high level when there is no data output

Logic Definition:

Data Bit 0: it will generate 200us low level on Data 0 wire

Data Bit 1: it will generate 200us low level on Data 1 wire

Every data length is 2200us

Every Mifare card has a serial number with 4 bytes, users should output the last three bytes

Add the first 12-bit even check bit in the front and add the last 12-bit odd check bit in the back, 26-bit data in total

For example：

Card number is 6B 3D 12 D6

Output data is 3D 12 D6

6.Wiegand26 Encode:

0	00111101	00010010	11010110	1
Even Check	3D	12	D6	Odd Check

7.Notice:

Wiegand interface belongs to short distance transmission interface, its connection distance should be no longer than 100m. Under complex circumstances, please use shielded wire

Card reader belongs to RF series product, please keep it away from interference source

Please use in safe conditions

8.Applications:

1>.Attendance Fingerprint Read Write Module

2>.Entrance Guard Intercom Read Write Module

3>.Replicator

4>.Attendance fingerprint card reader module

5>.Entrance guard intercom card reader module