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Chengdu Ebyte Electronic Technology Co., Ltd.

E220-900T30D User Manual

Copyright ©2012–2020, Chengdu Ebyte Electronic Technology Co.,Ltd.

21

12. Related Models

Model No.

Chip Scheme

Frequency

Hz

Tx power

dBm

Distance

km

Package

Size

mm

Interface

LLCC68

433/470M

22

5

SMD

16*26

TTL

LLCC68

433/470M

30

10

SMD

20*40.5

TTL

LLCC68

868/915M

22

5

SMD

16*26

TTL

LLCC68

868/915M

30

10

SMD

20*40.5

TTL

LLCC68

433/470M

22

5

DIP

21*36

TTL

LLCC68

433/470M

30

10

DIP

24*43

TTL

LLCC68

868/915M

22

5

DIP

21*36

TTL

LLCC68

868/915M

30

10

DIP

24*43

TTL

13. Antenna Recommendation

13.1 Antenna Recommendation

Antennas are an important role in the communication process, and often inferior antennas will have a great impact on the
communication system. Therefore, our company recommends some antennas as supporting our company's wireless modules with
excellent performance and reasonable prices.

Table 13-1 Register description

Model No.

Type

Frequency

Hz

Interface

Gain

dBi

Height

mm

Feeder

cm

Features

Rubber Antenna

868M

SMA-J

2.0

52

-

Ultra-short straight,
omnidirectional antenna

Rubber Antenna

868M

SMA-J

3.0

210

-

Bendable rubber,
omnidirectional antenna

Suction Antenna

868M

SMA-J

3.5

290

100

Small suction antenna,
cost-effective

Rubber Antenna

915M

SMA-J

2.0

52

-

Ultra-short straight,
omnidirectional antenna

Rubber Antenna

915M

SMA-J

2.5

110

-

Bendable rubber,
omnidirectional antenna

Rubber Antenna

915M

SMA-J

3.0

210

-

Bendable rubber,
omnidirectional antenna

Suction Antenna

915M

SMA-J

3.5

290

100

Small suction antenna,
cost-effective

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Содержание E220-900T30D

Страница 1: ...E220 900T30D User Manual 868 915MHz 30dBm LoRa Wireless Module...

Страница 2: ...erating Mode 11 6 1 Mode Switching 11 6 2 Normal mode Mode 0 12 6 3 WOR sending mode Mode 1 12 6 4 WOR receiving mode Mode 2 12 6 5 Deep Sleep Configuration Mode Mode 3 13 7 Register Read and Write Co...

Страница 3: ...e test data obtained in this paper are obtained by E Baite laboratory and the actual results may be slightly different It is hereby declared that all trade names trade marks and registered trade marks...

Страница 4: ...e communication success rate of the module in harsh environments Support RSSI signal strength indicator function for evaluating signal quality improving communication network and ranging Support air w...

Страница 5: ...it may be burning down Operating temperature 40 85 Industrial design Operating frequency MHz 850 125 930 125 Support ISM band Power consumption TX current mA 620 Instant power consumption 30dBm RX cu...

Страница 6: ...M1 Input weak pull up Work with M0 to decide 4 working modes of module not suspended if not used could be grounded 3 RXD Input TTL UART inputs connects to external TXD output pin 4 TXD Output TTL UART...

Страница 7: ...ure 4 1 Recommended connection diagram Table 4 1 Description No Brief description of the connection between the module and the MCU the above figure uses the STM8L MCU as an example 1 The wireless seri...

Страница 8: ...Ltd E220 900T30D User Manual Copyright 2012 2020 Chengdu Ebyte Electronic Technology Co Ltd 8 5 Function Description 5 1 Fixed Transmission Figure 5 1 Fixed Transmission 5 2 Broadcasting Transmission...

Страница 9: ...d 5 5 Reset After the module is powered on AUX will immediately output low level perform hardware self check and set the working mode according to user parameters During this process AUX keeps low lev...

Страница 10: ...er is not empty the data in the internal 400 byte buffer has not been written to the wireless chip and the transmission is turned on At this time the module may be waiting for the end of the user data...

Страница 11: ...re four operating modes which are set by M1 and M0 the details are as follows Mode 0 3 M1 M0 Description Remark 0 Transmission Mode 0 0 UART and wireless channel are open transparent transmission is o...

Страница 12: ...pose of fast switching For example switching from the transmit mode to the receive mode the user MCU can also enter sleep before the mode switch and use the external interrupt function to acquire the...

Страница 13: ...we suggest that user test rising edge T_BUSY 7 Register Read and Write Control 7 1 Command Format In configuration mode mode 3 M1 1 M0 1 the supported command list is as follows when setting only 960...

Страница 14: ...When the module address is equal to FFFF it can be used as the broadcast and monitor address that is the module will not perform address filtering at this time 01H Read Write ADDL ADDL default 0 02H R...

Страница 15: ...art address read length Return C1 address read length read valid value for example send C0 C1 C2 C3 00 01 Return C1 00 01 RSSI address can only start from 00 0 Disable Default 1 Enable 4 3 2 Reserve 1...

Страница 16: ...1000ms 0 1 0 1500ms 0 1 1 2000ms 1 0 0 2500ms 1 0 1 3000ms 1 1 0 3500ms 1 1 1 4000ms 06H Write CRYPT _H Key high byte default 0 Write only read returns 0 Used for encryption to avoid interception of...

Страница 17: ...ay interface of the E220 900T30D configuration host computer The user can switch to the command mode through M0 and M1 and quickly configure and read the parameters on the host computer In the configu...

Страница 18: ...Top Layer of the contact part of the module all copper and Good grounding must be close to the digital part of the module and routed in the Bottom Layer Assuming that the module is soldered or placed...

Страница 19: ...tput The matching degree of the antenna and the module is poor or the quality of the antenna itself is problematic 10 2 Module is easy to damage Please check the power supply to ensure that it is with...

Страница 20: ...er Paste Sn63 Pb37 Sn96 5 Ag3 Cu0 5 Preheat Temperature min Tsmin 100 150 Preheat temperature max Tsmax 150 200 Preheat Time Tsmin to Tsmax ts 60 120 sec 60 120 sec Average ramp up rate Tsmax to Tp 3...

Страница 21: ...nd often inferior antennas will have a great impact on the communication system Therefore our company recommends some antennas as supporting our company s wireless modules with excellent performance a...

Страница 22: ...tion Issued by 1 0 2020 8 28 Original version About us Technical support support cdebyte com Documents and RF Setting download link www ebyte com Thank you for using Ebyte products Please contact us w...

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