Technical Parameters; Limit Parameter; Operating Parameter - Ebyte E28-2G4M27S User Manual

Chengdu Ebyte Electronic Technology Co.,Ltd.

2. Technical Parameters

2.1 Limit parameter

Main parameter
Voltage supply [V]
Blocking power [dBm]
Operating temperature [℃]

2.2 Operating parameter

Main parameter
Voltage supply [V]
Communication level [V]
Operating temperature [℃]
Frequency [MHz]
Transmitting current
Power Receiving current
consumption
Transmitting power [dBm]
Receiving sensitivity [dBm]
Air data rate
Main parameter
Distance
FIFO
Crystal oscillator
Modulation
Package
Connector
Interface
Copyright ©2012–2019，Chengdu Ebyte Electronic Technology Co.,Ltd.
Performance
Min
0
-
-40
Min
2.5
-40
2400
[mA]
[mA]
Turn-off current
[μA]
26
-130
LoRa（bps） 0.595k
FLRC（bps） 260k
GFSK（bps） 125k
Description
8000m
256Byte
52MHz
LoRa [Recommended]
SMD
1.27mm
SPI
Max
3.6 Voltage over 3.6V will cause permanent damage to module
10 Chances of burn is slim when modules are used in short distance
+85 -
Performance
Typ Max
3.3 3.6
3.3
- +85
2450 2500
580
14.5
2.0
26.5 27
-131 -132
- 253.9k
- 1.3M
- 2M
Test condition：clear and open area, antenna gain: 5dBi，antenna
height: 2.5m，air data rate: 1kbps
Max. Transmitting length per packet
±10ppm/11pF
GFSK，FLRC，LoRa
0～10Mbps
E28-2G4M27S User Manual
Note
Note
≥3.3 V ensures output power
For 5V TTL, it may be at risk of burning down
-
ISM band
Instant power consumption
Software is shut down
See more from 4.2
LoRa receiver sensitivity with CR=4/5 and high
sensitivity mode enabled 1
SF12,BW=203kHz
Defined by user via programming
Defined by user via programming
Defined by user via programming
Note
3