MU918 SENIOR UHF eight-channel module

RFID Technical Parameters

Data Communication

Frequency

902~928MHz (US）865~868MHz （EU）

Antenna port

8 SMA female connectors

Protocol

ISO18000-6C (EPC GEN2)

Communication interface

TTL Uart interface, baud rate 115200bps

RF output power

0-33dbm (adjustable)

GPIO interface

3.3V 1 input 1 output

Read speed

300 tags/s

Operating voltage

3.6--5.5V

Data cache

1000 @96bit EPC labels

Working mode power consumption

<1.5W (typical)

Reading distance

0-25 meters

(depending on the selected tag and antenna)

Standby mode power consumption

0.25W

External antenna

The standing wave ratio is recommended to be less than 1.5

Sleep mode power consumption

0.05W

Working mode

Active mode

Answer mode

Logic level

VIL   -0.5~0.8V

VIH   +2~3.3V

RSSI

support

Connector

15pin pin header, 1.25mm spacing

molex 53261-1571

Environmental parameters

Development Environment

Cooling method

External cooling

SDK

Demo software, API, examples, user manual

Operating temperature

-40℃--+65℃

Development language

C#, Delphi, Java, Python, VB and other languages

Storage temperature

-45℃--+85℃

Firmware version

Support online upgrade

Operating humidity

<95% (25℃)

Physical parameters

Size

91*69.5*7.75mm

Weight

128g

Wiring Definition

Pin

Definition

Describe

1

GND

Ground

2

GND

3

3.8V–5.5VDC

Power

4

3.8V–5.5VDC

5

SPI_MISO

SPI master data input slave data output

6

SPI_MOSI

SPI master data output slave data output

7

SPI_CLK

SPI clock

8

SPI_CS

SPI chip select

9

UART_RXD

Serial port input TTL 3.3V level

10

UART_TXD

Serial port output TTL 3.3V level

11

GPIO_IN

General GPIO 3.3V level, input

 12

GPIO_OUT

General GPIO3.3V level, output

 13

BUZZER

High level valid buzzer output TTL, requires external drive.

14

EN

High level enable 3.3V level

15

NRST

Reset control, low level valid