Chengdu Ebyte Electronic Technology Co., Ltd. E01-2G4M27D User Manual
Copyright ©2012–2018
，
Chengdu Ebyte Electronic Technology Co.,Ltd.
3
2. Specification and parameter
2.1 Limit parameter
Main parameter
Performance
Remark
Min.
Max.
Power supply
（
V
）
0
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 in short distance
Operating temperature
（
℃
）
-40
85
-
2.2 Operating Parameter
Main parameter
Performance
Remark
Min.
Typ.
Max.
Operating voltage
（
V
）
2.5
3.3
5.5
≥3.3V ensures output power
Communication level
（
V
）
-
3.3
-
For 5V TTL, it may be at risk of
burning down
Operating temperature
（
℃
）
-40
-
85
Industrial design
Operating frequency
（
GHz
）
2.4
-
2.525
Support ISM band
Power
consumption
TX current@3.3V
（
mA
）
-
490
-
Instant power consumption
TX current@5.0V
（
mA
）
-
390
-
Instant power consumption
RX current
（
mA
）
-
22
-
-
Sleep current
（
μA
）
-
-
-
N/A
Max Tx power
（
dBm
）
26.8
27
27.3
-
Receiving sensitivity
（
dBm
）
-98.5
-99
-99.5
Air data rate is 250kbps
Air data rate
（
bps
）
250k
-
2M
Controlled via user’s programming
For ultra-low power users, the power supply can be directly turned off externally.
Main parameter
Description
Remark
Distance for reference
2500m
Test condition
：
clear and open area, antenna gain: 5dBi
，
antenna height: 2.5m
，
air data rate: 250kbps
FIFO
32Byte
M ax length transmitted each time
Crystal frequency
16M Hz
-
M odulation
GFSK
-
Package
DIP
-
Connector
2.54mm Pin
-
Communication interface
SPI
0-10M bps
Size
18 * 33.4mm
Without SM A
Antenna
SM A-K
50ohm impedance
