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Chengdu Ebyte Electronic Technology Co., Ltd
2. Specification and parameter
2.1 Limit parameter
Main parameter
Power supply（V）
Blocking power（dBm）
Operating temperature（℃）
2.2 Operating parameter
Main parameter
Operating voltage（V）
Communication level（V）
Operating temperature（℃）
Operating frequency（MHz）
TX current（mA）
Power
RX current（mA）
consumption
Sleep current（μA）
Max Tx power（dBm）
Receiving sensitivity（dBm）
Air data rate（bps）
Main parameter
Distance for reference
FIFO
Cache capacity
Modulation
Communication interface
Package
Connector
Size
Antenna
Copyright ©2012–2021，Chengdu Ebyte Electronic Technology Co.,Ltd.
Performance
Min.
0
-
-40
Performance
Min.
Typ.
2.6
5
3.3
-40
-
850
868
97.9
12.04
1.3
-
-
-114
-115
1.2k
2.4k
Description
Test condition：clear and open area, antenna gain:
2500m
5dBi,antenna height:2.5m，air data rate:1.2kbps
Maximum capacity of single transmission, auto-sub-packing
54 Byte
when exceeding
500 Byte
GFSK
UART serial port
SMD
1.27mm
26*16mm
IPEX/Stamp hole
50 ohm impedance
E49-900T20S User Manual
Max.
Voltage over 5.5V will cause permanent
5.5
damage to module
Chances of burn is slim when modules
10
are used in short distance
85
Remark
Max.
Over 5.5V will permanently damage
5.5
module
For 5V TTL, it may be at risk of burning
down
80
Industrial design
930
Support ISM band
Instant power consumption
Software is shut down
20.0
-116
Air data rate is1.2kbps
200k
Controlled via user's programming
Remark
Remark
5
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