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E840-TTL-NB03

[Transmission Type]:NB-IoT

[Power]:23dBm

[Size]:42*40*9.7mm

[Interface]:UART

[Weight]:11.7±0.1g

[Introduction]:E840-TTL-NB03 is developed for serial port devices and network servers to transmit data through the network. It supports B8 frequency band. It can be easily set up with simple AT commands. It can be used to realize serial-to-network two-way data transparency transmission.

en-E840-TTL-NB03_01

EN_E840-TTL-NB03_02en-E840-TTL-NB03_03

EN_E840-TTL-NB03_04EN_E840-TTL-NB03_05EN_E840-TTL-NB03_08

ValueDescription
Frequency

B8

Module will search frequency automatically

NB-IoT connection characteristic

NB data downlink transmission:max 85.6kbps

NB data uplink transmission:max 85.6kbps

Coding format: CS-1、 CS-2、 CS-3 and CS-4

Support for PAP (PasswordAuthentication Protocol) protocols commonly

used for PPP connections

Support usually used for CHAP (Interrogation HandshakeAuthentication

Protocol) protocol

Embedded protocol: TCP/UDP etc

Support for unstructured supplementary data services (USSD)


ValueDescription
Antenna IPEX
Data interface
TTL@3.3V compatible with 5V
Baud rateMax of  230400bps, 115200bps as default
TX power

23dBm±2dB

Power saving (typical)

In power saving mode, max current consumption:5μA

In power saving mode, typical current consumption:3.5μA

Working temperature

-30℃- +70℃extending to -40℃~+85℃

Working voltage

DC5V~18Vpowered by lithium battery:2.5V~3.6V

Size

42×40×9.7 mm

SIM card holder

MICRO SIM card holder


3GPP frequency1 Timeslot
2 Timeslot
4 Timeslot
CS-1
9.05kbps
18.1kbps
36.2kbps
CS-2
13.4kbps
26.8kbps
53.6kbps
CS-3
15.6kbps
31.2kbps
62.4kbps
CS-4
21.4kbps
42.8kbps
85.6kbps

E840-TTL-GPRS03_Size

Pin No.
NameDescription

1

RST

Reset.

2

IORT

When in low level for 3~10S, module returns to factory setting and start over immediately.

3

LINK

The link connection status indication pin corresponds to the onboard left 1 LED.

High:successfully connect with network server

Lowfail to connect with network server.

4、24、25

NC

Suspended, N/A.

5

DATA

The data transceiver indication pin, when the network receives the data or the serial port

receives the data (50ms high/10ms low), corresponding to the onboard left 3LED light.

6

STAT

The device status indication pin corresponds to the onboard left 2 LED.

Low: The device is poweredon to search for SIM card

1800ms for low, 200ms for high:the device checks the correct SIM card and is attaching to

the network;

High: The device is attached to the network successfully.

7

RXD

Data RXdefault 3.3Vcompatible with 5V.

8

TXD

Data TXdefault 3.3Vcompatible with 5V.

9

VEF

Drive level power supply pin, if user need to achieve serial communication and LED indication

of 5V drive level, user need to input 5V level on this pin.

10、11、14、15、23

MOD、SLE、PA0、PA1、EN

Suspended, N/A.

12

4V2

Lithium battery power supply pinrange:2.5V~3.6V. This pin is prohibited from

being reversedand is not allowed to be supplied with VCC.

16

VCC

DC power supply pinrange5V~18V.This pin is prohibited from being reversed and

is not allowed to be supplied with 4V2.

19

VD

Power pin to connect SIM externally, NC for pcb SIM card holder.

20

RS

Reset pin to connect SIM externally, NC for pcb SIM card holder.

21

DA

Data pin to connect SIM externally, NC for pcb SIM card holder.

22

CL

Clock pin to connect SIM externally, NC for pcb SIM card holder.

13、17、18

GND

Ground.

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产品
型号
Interface Transmission
protocol
AT
command
TCP/UDP Package Size(mm) Feature技术
手册
样品
购买
E840-DTU(EA01) RS232 RS485 NB-IoT - - support support screwing/DB9 82*84*24 two-way transparent data transmission
E840-DTU(4G-02E) RS232 RS485 4G - - Support Support DB9 84*82*25 Realize two-way data transparent transmission from serial port to network
E840-TTL-4G02E UART 4G - - Support Support Screwing 42*40*9.7 Whole network,TCP/UDP
E840-DTU(NB-03) RS232 RS485 NB-IoT - - - - Screwing/DB9 82*84*25 Wide coverage,Support multiple network protocols
E840-TTL-NB03 UART NB-IoT - - Support Support Screwing 42*40*9.7 AT mode,TCP/UDP
E840-TTL-GPRS03 UART GPRS - - Support Support Screwing 42*40*9.7 Supporting quad-frequency
E840-DTU(GPRS-03) RS485/RS232 GPRS - - Support Support Screwing 84*82*25 Supporting quad-frequency, AT command set
E840-DTU(GPRS-01) RS485/RS232 GPRS - - Support Support Screwing 84*82*25 Supporting quad-frequency, AT command set
E840-DTU(NB-02) RS232 RS485 NB-IoT - - - - Screwing/DB9 82*84*25 Low power consumption,customization
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