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Product details
| Hardware parameters | Parameter values |
notes |
| Working voltage (V) |
1.8~3.7 |
≥ 3.3V ensures output power |
| Communication level (V) |
3.3 |
There is a risk of burning out when using 5V TTL |
| Working temperature (℃) |
-40~+85 |
Industrial grade design |
| Working frequency band (MHz) |
850~925 |
Support ISM frequency band |
| Emission current (mA) |
145 |
Instantaneous power consumption |
| Receiving current (mA) |
13 |
- |
| Sleep current (μ A) |
2.0 |
Software shutdown |
| Maximum transmission power (dBm) |
22 |
- |
| Receiving sensitivity (dBm) |
-122~-126 |
The air speed is 595kbps |
| Communication rate LoRa (bps) |
62.5k |
User programmable customization |
| Communication rate GFSK (bps) |
300K |
User programmable customization |
| Reference distance |
5500m |
Clear and spacious, with an antenna gain of 5dBi, an antenna height of 2.5 meters, and an air speed of 2.4kbps |
| crystal frequency |
32MHz |
Active temperature compensated crystal oscillator |
| Modulation Type |
LoRa (recommended) |
GFSK ，LoRa |
| Packaging method |
Surface mount type |
- |
| Interface method |
Stamp hole |
Distance 1.1mm |
| External dimensions |
26*16mm |
- |
| Radio Frequency Interface |
IPE/Stamp Hole |
Equivalent impedance is about 50 Ω |
| Serial Number |
Pin | Pin direction |
Pin usage |
| 1 | GND |
- | Ground wire, connected to the power reference ground |
| 2 | LCD-SEG10 |
input/output |
Microcontroller GPIO |
| 3 |
LCD-SEG11 |
input/output |
Microcontroller GPIO |
| 4 |
LCD-SEG12 |
input/output |
Microcontroller GPIO |
| 5 |
LCD-SEG13 |
input/output |
Microcontroller GPIO |
| 6 |
LCD-SEG14 |
input/output |
Microcontroller GPIO |
| 7 |
LCD-SEG15 |
input/output |
Microcontroller GPIO |
| 8 |
LCD-SEG16 |
input/output |
Microcontroller GPIO |
| 9 |
LCD-SEG17 |
input/output |
Microcontroller GPIO |
| 10 | I2C-SDA |
input/output |
I2C-SDA pin |
| 11 | I2C-SCL |
input/output |
I2C-SCL pin |
| 12 | ADC-IN0 |
input |
ADC input pin |
| 13 | ADC-IN1 |
input |
ADC input pin |
| 14 | GPIO2 |
input/output |
Microcontroller GPIO |
| 15 |
GPIO3 |
input/output |
Microcontroller GPIO |
| 16 |
GPIO4 |
input/output |
Microcontroller GPIO |
| 17 | ADC_IN2 |
input |
ADC input pin |
| 18 | GND |
- | Ground wire, connected to the power reference ground |
| 19 | ANT |
output |
Antenna interface, stamp hole (50 ohm characteristic impedance) |
| 20 | GND |
- | Ground wire, connected to the power reference ground |
| 21 | GND |
- | Ground wire, connected to the power reference ground |
| 22 | GND |
- | Ground wire, connected to the power reference ground |
| 23 | GND |
- | Ground wire, connected to the power reference ground |
| 24 | SPI-NSS |
input |
SPI selection pin, can choose external SPI |
| 25 | SPI-SCK |
input |
SPI-SCK pin, can be used as an external SPI |
| 26 | SPI_MISO |
output |
SPI_SISO pin, can be used as an external SPI |
| 27 | SPI_MOSI |
input |
SPI MOSI pin, can be used as an external SPI |
| 28 | LCD-SEG1 |
- | Microcontroller GPIO |
| 29 | LCD-SEG2 |
input/output |
Microcontroller GPIO |
| 30 | SWIM |
input/output |
Program burning pins |
| 31 | NRST |
input |
External reset pin |
| 32 | LCD-COM0 |
input/output |
Microcontroller GPIO |
| 33 | LCD-COM1 |
input/output |
Microcontroller GPIO |
| 34 | LCD-COM2 |
input/output |
Microcontroller GPIO |
| 35 | VREFP |
input |
ADC reference voltage input |
| 36 | UART1-RX |
input |
UART1-RX pin |
| 37 | UART1-TX |
output |
UART1-TX pin |
| 38 | VLCD |
input |
VLCD pin |
| 39 | LCD-SEG0 |
input/output |
Microcontroller GPIO |
| 40 | GND |
- | Ground wire, connected to the power reference ground |
| 41 | LCD-SEG3 |
input/output |
Microcontroller GPIO |
| 42 | LCD-COM3 |
input/output |
Microcontroller GPIO |
| 43 | LCD-SEG4 |
input/output |
Microcontroller GPIO |
| 44 | LCD-SEG5 |
input/output |
Microcontroller GPIO |
| 45 | UART0-RX |
input |
UART0-RX pin |
| 46 | UART0-TX |
output |
UART0-TX pin |
| 47 | LCD-SEG6 |
input/output |
Microcontroller GPIO |
| 48 | LCD-SEG7 |
input/output |
Microcontroller GPIO |
| 49 | LCD-SEG8 |
input/output |
Microcontroller GPIO |
| 50 | LCD-SEG9 |
input/output |
Microcontroller GPIO |
| 51 | VCC |
- | Power supply, range 1.8V~3.7V (it is recommended to add ceramic filter capacitors externally) |
| 52 | GND |
- | Ground wire, connected to the power reference ground |
|
Online purchase |
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Official Taobao: |
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JD.com: |
| Yibaite Official Store: |
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【To ZheYibaite Exclusive Store: |
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Alibaba: |
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Bulk procurement/customized products |
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Sales Hotline: 7x24 hour sales service hotline |
|
[Contact email]: sales@cdebyte.com |
|
Technical Consultation |
|
Online submission: |
|
[Contact email]:support@cdebyte.com |
| product model |
interface type | Chip Solution | Carrier frequency Hz | Transmission power dBm | Test distance in kilometers | Air speed bps | Packaging form | Product size mm | Product Features | technology manual |
sample buy |
|---|---|---|---|---|---|---|---|---|---|---|---|
| USB | ASR6505 | 850~925MHz | - | 5.5km | - | - | 70*36mm | E78-900M22S1A module test board | |||
| SoC | ASR6505 | 868M 915M | 22 | 5.5 | - | Patch | 26* 16*2.8 | LoRa spread spectrum | |||
| SoC | ASR6601 | 470M 433M | 21 | 6 | - | Patch | 26*16*2.8 | LoRa spread spectrum | |||
| USB | ASR6505 | 410~490MHz | - | 5.5km | - | - | 70*36mm | E78 series module test board | |||
| SoC | ASR6505 | 470M 433M | 21 | 5.5 | - | Patch | 26* 16*2.8 | LoRa spread spectrum | |||
| SoC | ASR6501 | 868M 915M | 21 | 5.5 | 0.018~62.5k | Patch | 14*20 | LoRa spread spectrum | |||
| USB | - | - | - | - | - | - | 58*28mm | E78 series module test board | |||
| SoC | ASR6501 | 470M | 22 | 5.5 | 0.018~62.5k | Patch | 14*20 | LoRa spread spectrum |
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E78-900TBL-01A
Product model: E78-900TBL-01A
interface type
: USB
Chip Solution
: ASR6505
Carrier frequency Hz
: 850~925MHz
Transmission power dBm
:-
Test distance in kilometers
: 5.5km
Air speed bps
-
:-
Packaging form
:-
Product size mm
: 70*36mm
Product features: E78-900M22S1A module test board
PDF ：
buy
E78-900M22S1A
Product model: E78-900M22S1A
interface type
: SoC
Chip Solution
-
: ASR6505
Carrier frequency Hz
: 868M 915M
Transmission power dBm
: twenty-two
Test distance in kilometers
: five point five
Air speed bps
:-
Packaging form
: Surface mount
Product size mm
: 26* 16*2.8
-
Product Features: LoRa Spread Spectrum
PDF ：
buy
E78-400M22S1C
Product model: E78-400M22S1C
interface type
: SoC
Chip Solution
: ASR6601
Carrier frequency Hz
: 470M 433M
Transmission power dBm
: twenty-one
-
Test distance in kilometers
: six
Air speed bps
:-
Packaging form
: Surface mount
Product size mm
: 26*16*2.8
Product Features: LoRa Spread Spectrum
PDF ：
buy
E78-400TBL-01A
Product model: E78-400TBL-01A
-
interface type
: USB
Chip Solution
: ASR6505
Carrier frequency Hz
: 410~490MHz
Transmission power dBm
:-
Test distance in kilometers
: 5.5km
Air speed bps
:-
Packaging form
-
:-
Product size mm
: 70*36mm
Product features: E78 series module test board
PDF ：
buy
E78-400M22S1A
Product model: E78-400M22S1A
interface type
: SoC
Chip Solution
: ASR6505
Carrier frequency Hz
-
: 470M 433M
Transmission power dBm
: twenty-one
Test distance in kilometers
: five point five
Air speed bps
:-
Packaging form
: Surface mount
Product size mm
: 26* 16*2.8
Product Features: LoRa Spread Spectrum
PDF ：
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