RF parameters | Parameter values |
notes |
Working frequency band |
2400~2500 MHz | Support ISM frequency band |
Transmission power | 27 dBm | Maximum power (approximately 500mW) |
receiver sensitivity | -132 dBm |
Airspeed 595kbps |
air rate |
LoRa(bps):0.595k~253.9k FLRC(bps):260k~1.3M GFSK(bps):125k~2M |
User programmable customization |
measured distance | 8000 meters | Clear and spacious, antenna gain 5dBi, antenna height 2.5 meters, airspeed 1kbps |
Hardware parameters | Parameter values |
notes |
Size |
20 * 15 mm | - |
antenna form | IPEX/PCB | Equivalent impedance is about 50 Ω |
communication interface | SPI |
0~10Mbps |
Packaging method | Patch | - |
Electrical parameters | minimum value | Typical values | Maximum value | unit | condition |
supply voltage |
2.5 | 3.3 | 3.6 | V | ≥ 3.3V ensures output power |
Communication level | - | 3.3 | - | V | There is a risk of burning out when using 5V TTL |
Emission Current | - | 580 | - | mA | Instantaneous power consumption |
Receiving Current | - |
14.5 | - |
mA |
- |
Sleep current | - | 2.0 | - | μA | Software shutdown |
operation temperature |
-40 | - |
+85 | ℃ | Industrial grade design |
Working humidity |
10 | 60 |
90 | % | - |
storage temperature |
-40 | 20 |
+125 | ℃ | - |
Serial Number |
Pin | Pin direction |
notes |
1 | VCC | - | Power supply, range 2.5~3.6V (it is recommended to add ceramic filter capacitors externally) |
2 | GND | - | Ground wire, connected to the power reference ground |
3 | MISO_TX |
output |
SPI data output pin; Can also be used as a transmitter pin for UART (see SX1280 manual for details) |
4 | MOSI_RX |
input |
SPI data input pin; Can also be used as a receive pin for UART (see SX1280 manual for details) |
5 | SCK_RTSN |
input |
SPI clock input pin; It can also be used for UART request transmission pin (see SX1280 manual for details) |
6 | NSS_CTS | input | Module chip selection pin, used to start an SPI communication; It can also be used to clear the transmission pin of UART (see SX1280 manual for details) |
7 | GND | - | Ground wire, connected to the power reference ground |
8 | RX_EN | input | LNA control pin, high level effective |
9 | TX_EN | input | PA control pin, high level active |
10 | GND | - | Ground wire, connected to the power reference ground |
11 | NRESET | input | Chip reset triggers input pin, low level is effective, built-in pull-up resistor 50k |
12 | BUSY | output | Used for status indication (see SX1280 manual for details) |
13 | DIO1 | input/output | Configurable universal IO port (see SX1280 manual for details) |
14 | DIO2 |
input/output |
Configurable universal IO port (see SX1280 manual for details) |
15 | DIO3 |
input/output |
Configurable universal IO port (see SX1280 manual for details) |
16 | GND | - | Ground wire, connected to the power reference ground |
Product manual |
|
Development testing |
|
|
Introduction to Yibaite |
|
Online purchase |
Yibaite Official Taobao Store】: |
JD.com: |
Official Taobao: |
【To ZheYibaite Exclusive Store: |
Alibaba: |
Bulk procurement/customized products |
【 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 rate bps |
Packaging form | Product size mm | Product Features | technology manual |
sample buy |
---|---|---|---|---|---|---|---|---|---|---|---|
SPI | SX1280 | 2.4G | 27 | 8 | 0.595k~2M | Patch | 15 * 20 | Low power consumption; High speed continuous transmission; Support fixed-point transmission/broadcast transmission/channel monitoring; | |||
UART | SX1281 | 2.4G | 27 | 7 | 1k ~ 2M | Patch | 40.5*25 | LoRa spread spectrum, high-speed continuous transmission | |||
SPI | SX1280 | 2.4G | 27 | 8 | 0.125M~2M | Patch | 15 * 26.5 | LoRa spread spectrum, FLRC, ranging | |||
UART | SX1280 | 2.4G | 12.5 | 3 | 1k ~ 2M | Patch | 17.5* 28.7 | LoRa spread spectrum, high-speed continuous transmission | |||
SPI | SX1280 | 2.4G | 20 | 6 | 0.125M~2M | Patch | 15 * 26.5 | LoRa spread spectrum, FLRC, ranging | |||
SPI | SX1280 | 2.4G | 12.5 | 3 | 0.125M~2M | Patch | 25*14 | LoRa spread spectrum, FLRC, ranging |
-
E28-2G4M27SX
Product model: E28-2G4M27SX
interface type
:SPI
Chip Solution
:SX1280
Carrier frequency Hz
:2.4G
Transmission power dBm
:27
Test distance in kilometers
:8
Air speed bps
-
:0.595k~2M
Packaging form
: Surface mount
Product size mm
:15 * 20
Product features: low power consumption; High speed continuous transmission; Support fixed-point transmission/broadcast transmission/channel monitoring;
PDF :
buy
E28-2G4T27SX
Product model: E28-2G4T27SX
interface type
:UART
Chip Solution
-
:SX1281
Carrier frequency Hz
:2.4G
Transmission power dBm
:27
Test distance in kilometers
:7
Air speed bps
:1k ~ 2M
Packaging form
: Surface mount
Product size mm
:40.5*25
-
Product features: LoRa spread spectrum, high-speed continuous transmission
PDF :
buy
E28-2G4M27S
Product model: E28-2G4M27S
interface type
:SPI
Chip Solution
:SX1280
Carrier frequency Hz
:2.4G
Transmission power dBm
:27
-
Test distance in kilometers
:8
Air speed bps
:0.125M~2M
Packaging form
: Surface mount
Product size mm
:15 * 26.5
Product features: LoRa spread spectrum, FLRC, ranging
PDF :
buy
E28-2G4T12S
Product model: E28-2G4T12S
-
interface type
:UART
Chip Solution
:SX1280
Carrier frequency Hz
:2.4G
Transmission power dBm
:12.5
Test distance in kilometers
:3
Air speed bps
:1k ~ 2M
Packaging form