Chengdu Ebyte Electronic Technology Co., Ltd.
Copyright ©2012–2021
,
Chengdu Ebyte Electronic Technology Co.,Ltd.
4
2 Specification and parameter
2.1 Limit parameter
Main parameter
Performance
Remark
Min.
Max.
Power supply
(
V
)
0
3.6
Voltage over 3.6V 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
)
1.8
3.3
3.6
≥3.3 V 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
(
MHz
)
425
433
525
Support ISM band
Power
consumpti
on
TX current
(
mA
)
83
Instant power consumption
RX current
(
mA
)
16
Sleep current
(
μA
)
0.6
Software is shut down
Max Tx power
(
dBm
)
19
20
21
Receiving sensitivity
(
dBm
)
-121
-122
-124
Air data rate is 1kbps
Air data rate
(
bps
)
0.123k
-
1M
Controlled via user’s programming
Main parameter
Description
Remark
Distance for reference
2000m
Test condition
:
clear and open area, antenna gain: 5dBi
,
antenna
height: 2.5m
,
air data rate: 1kbps
FIFO
64Byte
Max length transmitted each time
Crystal frequency
26MHz
Modulation
GFSK
(recommended)
(G)FSK, 4(G)FSK, (G)MSK
,
OOK
Package
SMD
Connector
1.27mm
Stamp hole
Communication interface
SPI
0-10Mbps
Size
14.5 * 18.5 mm