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E19-868M20S
Product Introduction: A 433MHz RF module with a power of 100mW, SPI interface, small size patch type, currently in stable mass production and suitable
Product details
| RF parameters | Parameter values |
notes |
| Working frequency band |
862~893 MHz |
Factory default 868MHz（32MHz crystal oscillator |
| Transmission power | 20 dBm |
Maximum power (approximately 100mW) |
| receiver sensitivity | -147 dBm |
Airspeed 0.3kbps |
| air rate | 0.018k~37.5kbps |
Factory default 0.3kbps |
| measured distance | 5000 meters |
Clear and open environment, maximum power, antenna gain 5dBi, height 2m, airspeed 0.3kbps |
| Hardware parameters | Parameter values |
notes |
| Size |
17.6 * 25.2 mm |
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| antenna form | Stamp hole |
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| communication interface | SPI |
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| Packaging method | Patch |
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| Electrical parameters | minimum value | Typical values | Maximum value | unit | condition |
| supply voltage |
1.8 | 3.3 | 3.6 | V | |
| Communication level | 1.8 | 3.3 | 3.6 | V | |
| Emission Current | 100 | 110 | 120 | mA |
20dBm（100mW） |
| Receiving Current | 13 |
14 | 15 |
mA |
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| Sleep current | 0.5 | 1.0 | 2.5 | μA | |
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operation temperature |
-40 | 20 |
+85 | ℃ | |
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Working humidity |
10 | 60 |
90 | % | |
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storage temperature |
-40 | 20 |
+125 | ℃ |
| Serial Number |
Pin | Pin direction |
notes |
| 1 | GND |
input | Ground wire, connected to the power reference ground |
| 2 | DIO5 | input/output |
Configurable universal IO port (see SX1278 manual for details) |
| 3 | DIO4 |
input/output |
Configurable universal IO port (see SX1278 manual for details) |
| 4 | DIO3 |
input/output |
Configurable universal IO port (see SX1278 manual for details) |
| 5 | DIO2 |
input/output |
Configurable universal IO port (see SX1278 manual for details) |
| 6 | DIO1 | input/output | Configurable universal IO port (see SX1278 manual for details) |
| 7 | DIO0 | input/output | Configurable universal IO port (see SX1278 manual for details) |
| 8 | RST | input |
Chip reset triggers input pin |
| 9 | NC | - |
Not answering |
| 10 | GND | input |
Ground wire, connected to the power reference ground |
| 11 | VCC | input |
Power supply, range 1.8-3.6V (recommended 3.3V, suggest adding ceramic filter capacitors externally) |
| 12 | SCK | input |
SPI clock input pin |
| 13 | MISO | output |
SPI data output pin |
| 14 | MOSI | input |
SPI data input pin |
| 15 | NSS | input |
Module chip selection pin, used to start an SPI communication |
| 16 | TXEN | input |
RF switch pin control; During transmission, TXEN is at high level and RXEN is at low level |
| 17 | RXEN | input |
RF switch pin control; When receiving, RXEN is high and TXEN is low |
| 18 | GND | - |
Ground wire, connected to the power reference ground |
| 19 | GND | - |
Ground wire, connected to the power reference ground |
| 20 | ANT | output |
Antenna interface (high-frequency signal output) |
| 21 | GND | - |
Ground wire, connected to the power reference ground |
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Product manual |
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Development testing |
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Introduction to Yibaite |
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Online purchase |
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Official Taobao: |
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JD.com: |
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Tmall Flagship 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 |
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[Contact email]: sales@cdebyte.com |
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Technical Consultation |
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Online submission: |
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[Contact email]:support@cdebyte.com |
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| product model |
interface type | Chip Solution | Carrier frequency Hz | Transmission power dBm | Test distance in kilometers | air rate bps |
Packaging form | Product size mm | Product Features | technology manual |
sample buy |
|---|---|---|---|---|---|---|---|---|---|---|---|
| SPI | SX1276 | 868M/915M | 20 | 5 | 0.018~37.5k | Patch | 15 * 15 | LoRa spread spectrum, ultra small size | |||
| SPI | SX1278 | 433M | 20 | 5 | 0.018~37.5k | Patch | 15 * 15 | LoRa spread spectrum, ultra small size | |||
| SPI | SX1276 | 915M | 30 | 10 | 0.018~37.5k | Patch | 25 * 40 | LoRa spread spectrum, long-range anti-interference | |||
| SPI | SX1276 | 868M | 30 | 10 | 0.018~37.5k | Patch | 25 * 40 | LoRa spread spectrum, long-range anti-interference | |||
| SPI | SX1276 | 868M | 20 | 5 | 0.018~37.5k | Patch | 17.6*25.2 | LoRa spread spectrum, long-range anti-interference | |||
| SPI | SX1278 | 433M | 30 | 10 | 0.018~37.5k | Patch | 25*37 | LoRa spread spectrum, long-range anti-interference | |||
| SPI | SX1276 | 915M | 20 | 5 | 0.018~37.5k | Patch | 17.6*25.2 | LoRa spread spectrum, long-range anti-interference | |||
| SPI | SX1278 | 433M | 20 | 5 | 0.018~37.5k | Patch | 17.6*25.2 | LoRa spread spectrum, long-range anti-interference |
-
E19-900M20S2
Product model: E19-900M20S2
interface type
:SPI
Chip Solution
:SX1276
Carrier frequency Hz
:868M/915M
Transmission power dBm
:20
Test distance in kilometers
:5
Air speed bps
-
:0.018~37.5k
Packaging form
: Surface mount
Product size mm
:15 * 15
Product features: LoRa spread spectrum, ultra small size
PDF ：
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E19-433M20S2
Product model: E19-433M20S2
interface type
:SPI
Chip Solution
-
:SX1278
Carrier frequency Hz
:433M
Transmission power dBm
:20
Test distance in kilometers
:5
Air speed bps
:0.018~37.5k
Packaging form
: Surface mount
Product size mm
:15 * 15
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Product features: LoRa spread spectrum, ultra small size
PDF ：
buy
E19-915M30S
Product model: E19-915M30S
interface type
:SPI
Chip Solution
:SX1276
Carrier frequency Hz
:915M
Transmission power dBm
:30
-
Test distance in kilometers
:10
Air speed bps
:0.018~37.5k
Packaging form
: Surface mount
Product size mm
:25 * 40
Product features: LoRa spread spectrum, long-range anti-interference
PDF ：
buy
E19-868M30S
Product model: E19-868M30S
-
interface type
:SPI
Chip Solution
:SX1276
Carrier frequency Hz
:868M
Transmission power dBm
:30
Test distance in kilometers
:10
Air speed bps
:0.018~37.5k
Packaging form
-
: Surface mount
Product size mm
:25 * 40
Product features: LoRa spread spectrum, long-range anti-interference
PDF ：
buy
E19-868M20S
Product model: E19-868M20S
interface type
:SPI
Chip Solution
:SX1276
Carrier frequency Hz
-
:868M
Transmission power dBm
:20
Test distance in kilometers
:5
Air speed bps
:0.018~37.5k
Packaging form
: Surface mount
Product size mm
:17.6*25.2
Product features: LoRa spread spectrum, long-range anti-interference
PDF ：
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