Chengdu Ebyte Electronic Technology Co., Ltd.
Copyright ©2012–2021
，
Chengdu Ebyte Electronic Technology Co.,Ltd.
5
2. Specifications
2.1 Limit parameters
main parameters
Minimum Typical value
Max
Remark
voltage
（
V
）
3
3.3/5
5.5
Over 5.5V may burn the
module permanently
(Consider wide-voltage
power supply when
designing)
Working frequency
（
MHz
）
410
433
493
Channel spacing 0.5MHz
Emission current (mA)
-
32mA
433MHz@13dBm
Receive current
（
mA
）
6mA
Regular receipt
Sleep current
（
uA
）
1.6
Maximum output power
（
dBm
）
12
13
13
Receiving sensitivity
（
dBm
）
-
-119
-
-2Kbps
Air speed
（
bps
）
2K
2K
25K
Multi-level adjustable
main parameters
describe
Remark
Reference distance
2.5km
Send length
58 Byte
Maximum transmission bytes in a single
time
Cache capacity
80Byte
Software actual debugging
Modulation
FSK
Communication Interface
UART
8N1\8E1\EO1,1200~38400Multi-level
adjustable
Encapsulation
SMD
Interface
1.27
Size
16*26
Actual layout
Antenna Interface
IPEX/Stamp hole
Equivalent impedance is about 50Ω
Name
Modul
Remark
RF crystal oscillator
(MHz)
--
16M
（
Built-in load
capacitance
）
