Embedded UHF RFID Reader Modules Long Range

No

Item

Technical data

Unit

Remark

1

Fixed current

1.2

A

Max power output

2

Standby current

≤1

mA

EN pin low level

3

Frequency range

840～960

MHz

4

Default working

frequency

Frequency hopping

MHz

Frequency interval 250KHz

5

Channel bandwidth

≤250

KHz

6

Frequency hopping

speed

≤2

s

7

Fixed power

30

dBm

8

Stepping interval

1~2

dB

5~30dBm， adjustable by

software

9

Label protocol

EPC C1G2

/ISO18000-6C

10

Communication

protocol

Asynchronous serial

ports protocol

11

Starting time

≤50

ms

12

Radio-frequency

power rising time

≤500

μs

13

Radio-frequency

power dropping time

≤500

μs

14

Adjacent channel

power leaking ratio

≤-40

dB

±1CH

dB

±2CH

15

Frequency

stabilizing ratio

±10

ppm

-25℃～+40℃

ppm

-40℃～+60℃

16

Max reading range

24

m

12dBi antenna

17

Multi-tags

>400/s

Data

Mini

value

Typical

value

Max value

Unit

Remark

Voltage of power

4.5

5

5.5

V

Direct current

Input high level

2

3.3

5.5

V

GPIO

-

5

V

EN

Input low level

-0.3

0

0.8

V

GPIO

-

0.18

V

EN

Output high

level

2.9

-

-

V

GPIO

Output low level

-

0

0.1

V

GPIO

Enable current

2

5

25

uA

VEN≥2V

No

Item

Technical data

Unit

Remark

1

Standing wave

ratio

≤1.5

Pin

Signal name

Signal direction

Function/compatibility description

1

VCC

Input

Module supplying power

2

VCC

Input

Module supplying power

3

GND

-

Module connecting ground

4

GND

-

Module connecting ground

5

EN

Input

Module enabling，highly effective

6

GPIO

Bidirection

Generic port

7

GPIO

Bidirection

Generic port

8

GPIO

Bidirection

Generic port

9

UART_RX

Input

Asynchronous serial interface receiving

10

UART_TX

Output

Asynchronous serial interface sending

11

DBG_RX

-

Test port

12

DBG_TX

-

Test port

No

Item

Technical data

Unit

Remark

1

Working

temperature

-25～+75

℃

2

Storage

temperature

-40～+85

℃

3

Relative

humidity

10%～90%

RH