Ebyte E22-900MM22S Product Specifications Download

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Chengdu Ebyte Electronic Technology Co.,Ltd

，Chengdu Ebyte Electronic Technology Co.,Ltd

Chapter 9 Antenna Guide

9.1 Antenna recommendation

Antennas play 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
wireless module with excellent performance and reasonable price.

Model

Type

Frequency

Interface

Gain dBi

height

Feeder

Features

TX868-XP-100

Suker

antenna

868M

SMA-J

3.5

29cm

100cm

Suction cup antenna,

high gain

TX868-JK-20

Rubber

antenna

868M

SMA-J

200mm

Bendable adhesive rod,

omnidirectional

antenna

TX868-JZ-5

Rubber

antenna

868M

SMA-J

50mm

Ultra short straight,

omnidirectional

antenna

TX915-XP-100

Suker

antenna

915M

SMA-J

3.5

25cm

100cm

Suction cup antenna,

high gain 益

TX915-JK-20

Rubber

antenna

915M

SMA-J

210mm

Bendable adhesive rod,

omnidirectional

antenna

TX915-JK-11

Rubber

antenna

915M

SMA-J

2.5

110mm

Bendable adhesive rod,

omnidirectional

antenna

TX915-JZ-5

Rubber

antenna

915M

SMA-J

50mm

Ultra short straight,

omnidirectional

antenna

Revise history

Version

Revise date

Revise notes

maintainer

1.0

2022-10-21

Original version

Yan

Summary of Contents for E22-900MM22S

Page 1: ...E22 900MM22S Product specifications SX1262 868 915MHz ultra small size Lora SMD module ...

Page 2: ...achine dimensions and pin definition 4 Chapter 4 Basic operations 5 4 1 Hardware design 5 4 2 Software programming 6 Chapter 5 basic application 6 5 1 Basic circuit 6 Chapter 6 FAQ 7 6 1 Transmission distance is not ideal 7 6 2Modules are easily damaged 7 6 3 Bit error rate is too high 7 Chapter 7 Welding operation guidance 8 7 1 Reflow soldering temperature 8 7 2 Diagram of reflow welding 9 Chapt...

Page 3: ...al standards the product can cover the ultra wide frequency range of 850 930MHz and downward compatible with SX1278 and SX1276 Use industrial grade high precision 32MHz crystal oscillator Since the module is a pure RF transceiver module MCU driver or special SPI debugging tool should be used 1 2 Features The measured communication distance can reach 7km Maximum transmit power 160mW multi stage tun...

Page 4: ...cal values Max Power Supply Voltage V 1 8 3 3 3 7 3 3V Can ensure the output power communication level V 3 3 Using 5V TTL may burn out Working temperature 40 85 Industrial grade design Working frequency bandGHz 850 868 915 930 Support ISM Frequency Power consumption Emission current mA 119 instantaneous power consumption Receives the current mA 6 8 Sleep current μA 185 software shut off Maximum tr...

Page 5: ...in name Pin direction Pin purposes 1 VCC Power supply range 1 8V 3 7V external ceramic filter capacitor is recommended 2 GND Ground wire connected to the power reference ground 3 NRST input Chip reset triggers input pin active low level 4 NC 5 NC 6 ANT Radio frequency interface stamp hole 7 GND Ground wire connected to the power reference ground 8 NC 9 TXEN input Rf switch transmitting control pin...

Page 6: ...ay from parts with high electromagnetic interference such as power supplies transformers and high frequency cables High frequency digital cable routing high frequency analog cable routing and power cable routing must avoid under the module If necessary pass under the module assuming that the module is welded at the Top Layer copper is laid on the Top Layer of the contact part of the module all cop...

Page 7: ...ell which weakens the transmission range It is recommended to add a 200R protection resistor to the RXD TXD of the external MCU 4 2 Software programming This module is SX1268 SX1262 PA LNA and its driving mode is exactly the same as SX1268 SX1262 users can operate in accordance with the SX1268 SX1262 chip volume DIO1 DIO2 are generic IO ports that can be configured for many functions DIO2 can be c...

Page 8: ...hing degree between the antenna and the module is poor or the quality of the antenna itself is faulty 6 2 Modules are easily damaged Check the power supply to make sure it s between recommended supply voltages as exceeding the maximum value can permanently damage the module Check the stability of the power supply the voltage shouldn t fluctuate wildly or frequently Ensure that high frequency devic...

Page 9: ...150 Preheat temperature max Tsmax Maximum preheating temperature 150 200 Preheat Time Tsmin to Tsmax ts Warm up time 60 120 sec 60 120 sec Average ramp up rate Tsmax to Tp Average rate of rise 3 second max 3 second max Liquidous Temperature TL Temperature of the liquid phase 183 217 Time tL Maintained Above TL Time above the liquidus 60 90 sec 30 90 sec Peak temperature Tp Peak temperature 220 235...

Page 10: ... Model IC Frequency Hz Power dBm Distance km Package Size mm Antenna interface E22 400T22S SX1268 430M 470M 22 4 SMD 16 26 Stamp hole IPEX E22 400M30S SX1268 433M 470M 30 12 SMD 24 38 5 Stamp hole IPEX E22 900M30S SX1262 868M 915M 30 12 SMD 24 38 5 Stamp hole IPEX E22 900M22S SX1262 868M 915M 22 6 5 SMD 14 20 Stamp hole IPEX E22 400M22S SX1268 433M 470M 22 6 5 SMD 14 20 Stamp hole IPEX ...

Page 11: ...s TX868 XP 100 Suker antenna 868M SMA J 3 5 29cm 100cm Suction cup antenna high gain TX868 JK 20 Rubber antenna 868M SMA J 3 200mm Bendable adhesive rod omnidirectional antenna TX868 JZ 5 Rubber antenna 868M SMA J 2 50mm Ultra short straight omnidirectional antenna TX915 XP 100 Suker antenna 915M SMA J 3 5 25cm 100cm Suction cup antenna high gain 益 TX915 JK 20 Rubber antenna 915M SMA J 3 210mm Ben...

Page 12: ...pyright 2012 2018 Chengdu Ebyte Electronic Technology Co Ltd 11 About us Hotline 4000 330 990 Tel 028 61399028 Support support cdebyte com Website https www cdebyte com Address Building B5 No 199 West District Avenue High tech West District Chengdu City Sichuan Province ...

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