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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
Turn-off current
Transmitting power [dBm]
Receiving sensitivity [dBm]
Air data rate（bps）
Main parameter
Distance
FIFO
Cache
Modulation
Interface
Package
Connector
Size
Antenna
.
Min
2.3
-
-40
Performance
Min
Typ
2.3
5.0
-
3.3
-40
-
2402
-
-
500
[mA]
-
27
[mA]
-
10
[μA]
20
20.3
-130
-132
1k
100k
Description
5000m
121 Btye
221 Btye
2048 Byte
FSK
UART
SMD
1.27mm
40.5*25mm
Stamp hole
Max
Voltage over 5.5V will cause permanent damage to
5.5
module
Chances of burn is slim when modules are used in
10
short distance
+85
-
Max
≥5.0V ensures output power
5.5
-
For 5V TTL, it may be at risk of burning down
+85
-
2480
ISM band
-
Instant power consumption
-
-
-
Software is shut down
21
Air data rate: 100Kbps
-134
2M
Defined by user via programming
Test condition：clear and open area，antenna
height: 2.5m，air data rate: 100kbps
Max. Transmitting length per packet
Continuous transmission mode
-
-
TTL
-
-
-
50Ω Impedance， External SMA header via 19 pins
E28-2G4T27SX User Manual
Note
Note
3
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