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E78-900M22S1A

[IC]:ASR6505

[Frequency]:850~925MHz

[Power]:22dBm

[Distance]:5.5km

[Size]:26* 16*2.8mm

[Introduction]:The E78 series products are radio frequency transceiver modules with multiple frequency bands designed and produced by Ebyte, with long communication distance and extremely low current consumption in low power consumption mode. This module is a small-volume patch type (pin spacing 1.1mm).

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Main ParametersValue
Notice
Working voltage(V)
1.8~3.7

≥3.3V can guarantee output power

Communication level(V)
3.3

Using 5V TTL is risky to burn

Working temperature(℃)
-40~+85

Industrial design

Working frequency(MHz)
850~925

Support ISM frequency band

Emission current(mA)
145

Instantaneous power consumption

Receiving current(mA)
13

-

Sleep current(μA)
2.0

Software shutdown

Maximum transmit power(dBm)
22

-

Receiving sensitivity(dBm)
-122~-126

The air rate is 595kbps

Air rate LoRa(bps)
62.5k

User programmable customization

Air rate GFSK(bps)
300K

User programmable customization

Ideal Range
5500m

At Max TX power and 2.4kbps air rate, Two modules in a line of sight, clear weather, with 5dbi antennas at 2.5meters.

Crystal frequency
32MHz

TXCO

Modulation
LoRa(recommended)

GFSK ,LoRa

Encapsulation method
SMA

-

Interface method
Stamp-hole

Diameter 1.1mm

Dimensions
26*16mm

-

RF interface
IPEX/stamp-hole

Equivalent impedance is about 50Ω

10

No.
NameDirectionFunction
1GND
-

Ground wire, connected to the power reference ground

2LCD-SEG10
Input/Output

MCU GPIO

3LCD-SEG11
Input/Output

MCU GPIO

4LCD-SEG12
Input/Output

MCU GPIO

5LCD-SEG13
Input/Output

MCU GPIO

6LCD-SEG14
Input/Output

MCU GPIO

7LCD-SEG15
Input/Output

MCU GPIO

8LCD-SEG16
Input/Output

MCU GPIO

9LCD-SEG17
Input/Output

MCU GPIO

10I2C-SDA
Input/Output

I2C-SDA pin

11I2C-SCL
Input/Output

I2C-SCL pin

12ADC-IN0
Input

ADC input pin

13ADC-IN1
Input

ADC input pin

14GPIO2
Input/Output

MCU GPIO

15GPIO3
Input/Output

MCU GPIO

16GPIO4
Input/Output

MCU GPIO

17ADC_IN2
Input

ADC input pin

18GND
-

Ground wire, connected to the power reference ground

19ANT
Output

Antenna interface, stamp hole (50 ohm characteristic impedance)

20GND
-

Ground wire, connected to the power reference ground

21GND
-

Ground wire, connected to the power reference ground

22GND
-

Ground wire, connected to the power reference ground

23GND
-

Ground wire, connected to the power reference ground

24SPI-NSS
Input

SPI selection pin, external SPI can be selected

25SPI-SCK
Input

SPI-SCK pin, can be used as external SPI

26SPI_MISO
Output

SPI_MISO pin, can be used as external SPI

27SPI_MOSI
Input

SPI MOSI pin, can be used as external SPI

28LCD-SEG1
-

MCU GPIO

29LCD-SEG2
Input/Output

MCU GPIO

30SWIM
Input/Output

Programming pin

31NRST
Input

External reset pin

32LCD-COM0
Input/Output

MCU GPIO

33LCD-COM1
Input/Output

MCU GPIO

34LCD-COM2
Input/Output

MCU GPIO

35VREFP
Input

ADC reference voltage input

36UART1-RX
Input

UART1-RX pin

37UART1-TX
Output

UART1-TX pin

38VLCD
Input

VLCD pin

39LCD-SEG0
Input/Output

MCU GPIO

40GND
-

Ground wire, connected to the power reference ground

41LCD-SEG3
Input/Output

MCU GPIO

42LCD-COM3
Input/Output

MCU GPIO

43LCD-SEG4
Input/Output

MCU GPIO

44LCD-SEG5
Input/Output

MCU GPIO

45UART0-RX
Input

UART0-RX pin

46UART0-TX
Output

UART0-TX pin

47LCD-SEG6
Input/Output

MCU GPIO

48LCD-SEG7
Input/Output

MCU GPIO

49LCD-SEG8
Input/Output

MCU GPIO

50LCD-SEG9
Input/Output

MCU GPIO

51VCC
-

Power supply, range 1.8V~3.7V (recommend to add ceramic filter capacitor)

52GND
-

Ground wire, connected to the power reference ground

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产品
型号
Interface IC Frequency
Hz
Power
dBm
Distance
km
Air
Rate(bps)
Package Size
(mm)
Feature技术
手册
样品
购买
E78-868LN22S(6601) SoC ASR6601 868M 22 5.6 0.018~62.5k SMD 14*20 standard LoRaWan node module
E78-470LN22S(6601) SoC ASR6601 470M 21 5.6 0.018~62.5k SMD 14*20 LoRa SoC RF Module
E78-900TBL-01A USB ASR6505 850~925M - 5.5 - - 70*36 E78 series module test board
E78-900M22S1A SoC ASR6505 868M 915M 22 5.5 - SMD 26* 16*2.8 LoRa Spread spectrum
E78-400M22S1C SoC ASR6601 470M 433M 21 5.5 - SMD 26*16*2.8 LoRa Spread Spectrum
E78-400TBL-01 USB - - - - - - 58*28 E78 series module test board
E78-400M22S1A - ASR6505 470M 433M 21 5.5 - SMD 26* 16*2.8 LoRaWan node module
E78-868LN22S - ASR6501 900MHz 21 - - SMD 20* 14*2.8 LoRa RF Module,Wireless Module
E78-470LN22S - ASR6501 433M 22 7 0.018k~62.5k SMD 14*20 Low consumption, anti-interference
  • E78-868LN22S(6601)

    产品型号:E78-868LN22S(6601)

    Interface :SoC

    IC :ASR6601

    Frequency Hz :868M

    Power dBm :22

    Distance km :5.6

    Air Rate(bps) :0.018~62.5k

    Package :SMD

    Size (mm) :14*20

    Feature:standard LoRaWan node module

    PDF :

    购买:

  • E78-470LN22S(6601)

    产品型号:E78-470LN22S(6601)

    Interface :SoC

    IC :ASR6601

    Frequency Hz :470M

    Power dBm :21

    Distance km :5.6

    Air Rate(bps) :0.018~62.5k

    Package :SMD

    Size (mm) :14*20

    Feature:LoRa SoC RF Module

    PDF :

    购买:

  • E78-900TBL-01A

    产品型号:E78-900TBL-01A

    Interface :USB

    IC :ASR6505

    Frequency Hz :850~925M

    Power dBm :-

    Distance km :5.5

    Air Rate(bps) :-

    Package :-

    Size (mm) :70*36

    Feature:E78 series module test board

    PDF :

    购买:

  • E78-900M22S1A

    产品型号:E78-900M22S1A

    Interface :SoC

    IC :ASR6505

    Frequency Hz :868M 915M

    Power dBm :22

    Distance km :5.5

    Air Rate(bps) :-

    Package :SMD

    Size (mm) :26* 16*2.8

    Feature:LoRa Spread spectrum

    PDF :

    购买:

  • E78-400M22S1C

    产品型号:E78-400M22S1C

    Interface :SoC

    IC :ASR6601

    Frequency Hz :470M 433M

    Power dBm :21

    Distance km :5.5

    Air Rate(bps) :-

    Package :SMD

    Size (mm) :26*16*2.8

    Feature:LoRa Spread Spectrum

    PDF :

    购买:

  • E78-400TBL-01

    产品型号:E78-400TBL-01

    Interface :USB

    IC :-

    Frequency Hz :-

    Power dBm :-

    Distance km :-

    Air Rate(bps) :-

    Package :-

    Size (mm) :58*28

    Feature:E78 series module test board

    PDF :

    购买:

  • E78-400M22S1A

    产品型号:E78-400M22S1A

    Interface :-

    IC :ASR6505

    Frequency Hz :470M 433M

    Power dBm :21

    Distance km :5.5

    Air Rate(bps) :-

    Package :SMD

    Size (mm) :26* 16*2.8

    Feature:LoRaWan node module

    PDF :

    购买:

  • E78-868LN22S

    产品型号:E78-868LN22S

    Interface :-

    IC :ASR6501

    Frequency Hz :900MHz

    Power dBm :21

    Distance km :-

    Air Rate(bps) :-

    Package :SMD

    Size (mm) :20* 14*2.8

    Feature:LoRa RF Module,Wireless Module

    PDF :

    购买:

  • E78-470LN22S

    产品型号:E78-470LN22S

    Interface :-

    IC :ASR6501

    Frequency Hz :433M

    Power dBm :22

    Distance km :7

    Air Rate(bps) :0.018k~62.5k

    Package :SMD

    Size (mm) :14*20

    Feature:Low consumption, anti-interference

    PDF :

    购买:

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