[Introduction]：E28-2G4T27SX is an UART module based on SEMTECH SX1281, it adopts transparent transmission and works at 2.4GHz band. It adopts LoRa, FLRC and GFSK modulations. It features SMD packing with both IPX and PCB antenna interfaces, compatible with 3.3V and 5V IO port voltage.
Brand Name:EBYTE
Origin:Mainland China
Condition:New
Type:Drive IC
Model Number:E28-2G4T27SX
is_customized:Yes
Package:SMD
Size:40.5*25mm
Antenna:IPEX/Sample hole
Package:SMD
Interface:UART
Distance:7000m
Voltage supply:2.3-5.5v
Type:LoRa Wireless Module
| Main Parameters | Performance | Note | |
| Min. | Max | ||
| Power supply（V） | 2.3 | 5.5 | Voltage over 5.5V will cause permanent damage to module |
| Blocking power [dBm] | - | 10 | Chances of burn is slim when modules are used inshort distance |
| Operating temperature [℃] | -40 | +85 | - |
| Main Parameters | Performance | Note | ||
| Min. | Typ | Max | ||
| Voltage supply [V] | 2.3 | 5.0 | 5.5 | ≥5.0V ensures output power |
| Communication level [V] | - | 3.3 | - | For 5V TTL, it may be at risk of burning down |
| Operating temperature [℃] | -40 | - | +85 | - |
| Frequency [MHz] | 2400 | - | 2500 | ISM band |
| Transmitting current[mA] | - | 500 | - | Instant power consumption |
| Receiving current[mA] | - | 27 | - | - |
| Turn-off current[μA] | - | 10 | - | Software is shut down |
| Transmitting power [dBm] | 26.5 | 27 | 27.5 | - |
| Receiving sensitivity [dBm] | -130 | -132 | -134 | Air data rate: 115.2Kbps |
| Air data rate（bps） | 1k | 1k | 2M | Defined by user via programming |
| Main parameter | Description | Note |
| Distance | 7000m | Test condition：clear and open area, antenna gain: 5dBi，antennaheight: 2.5m，air data rate: 1kbps |
| FIFO | 121 Byte | Max. Transmitting length per packet |
| 221 Byte | Continuous transmission mode | |
| Cache | 2048 Byte | - |
| Modulation | GFSK | - |
| LoRa | - | |
| FLRC | - | |
| Interface | UART | TTL |
| Package | SMD | - |
| Connector | 1.27mm | - |
| Size | 40.5*25mm | - |
| Antenna | IPEX/Sample hole | 50Ω Impedance |
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