Free shipping E32-DTU(433L30) 8km 433MHz RS232 RS485 LORA rf transceiver SX1278 modem
|
RF Parameter
|
Value
|
Remark
|
Working frequency
|
425~450.5 MHz
|
Default: 433MHz
|
|
Transmitting power
|
37 dBm
|
About 5W
|
|
Receiving sensitivity
|
-130 dBm
|
Air data rate: 2.4kbps
|
|
Air data rate
|
0.3k~9.6kbps
|
Default: 2.4kbps
|
|
Test distance
|
20000 meter
|
In open and clear air, with maximum power, 5dBi antenna gain, height of 2m,
air data rate: 2.4kbps
|
|
Hardware Parameter
|
Value
|
Remark
|
Size
|
124 * 105 * 25 mm
|
-
|
|
Antenna type
|
SMA-K
|
-
|
|
Communication interface
|
RS232 / RS485
|
Baud rate: 1200~115200, default: 9600
|
|
Package
|
DB-9 / Screwing
|
Standard DB9 Hole/3.81 connecting terminal
|
|
Buffer
|
512 bytes buffer
|
Automatically sub-packaging with 58 bytes per package
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|
Electronic parameter
|
Min.
|
Typ.
|
Max.
|
Unit
|
Condition
|
Power supply
|
10
|
12
|
28
|
V
|
-
|
|
Transmitting current
|
945
|
1050
|
1155
|
mA
|
37dBm（5W）
|
|
Stand-by current
|
40
|
44
|
49
|
mA
|
-
|
|
Operating temperature
|
-40
|
20
|
+85
|
℃
|
-
|
Operating humidity
|
10
|
60
|
90
|
%
|
-
|
Storage temperature
|
-40
|
20
|
+125
|
℃
|
-
|
Electronical parameters
|
No.
|
Item
|
Parameter details
|
Description
|
|
1
|
Size
|
105 * 104 *25.5mm
|
Without antenna
|
|
2
|
Weight
|
240g
|
Without antenna
|
|
3
|
Frequency band
|
Default: 433MHz
|
410~ 441MHz,
channel:32, 433±5MHz (recommended)
|
|
4
|
Housing
|
Aluminum alloy
|
Black
|
|
5
|
Connector
|
RS485:1 * 4 * 3.81mm
RS232:DB9
|
Screwing
Standard DB9, hole
|
|
6
|
Supply voltage
|
10 ~ 36V DC
|
Note: the voltage higher than 36V is forbidden
|
|
7
|
Communication level
|
RS232/RS485
|
Available for RS232 and RS485
|
|
8
|
Operation range
|
20000m
|
Test condition: clear and open area & 37dBm, antenna gain: 5dBi,height:> 2m,air data rate: 2.4kbps
|
|
9
|
Transmitting power
|
Maximum 37dBm
|
About 1W, can be configured to 37, 34, 30, 27dBm
|
|
10
|
Receiving sensitivity
|
-130dBm/2.4kbps
|
Sensitivity has nothing to do with baud rate and timing
|
|
11
|
Air data rate
|
2.4kbps
|
Can be configured to 0.3, 1.2, 2.4, 4.8, 9.6, 19.2kbps
|
|
12
|
Standby current
|
14mA
|
Mode 3(power supply:12V)
|
|
13
|
Transmitting current
|
1.05A/37dBm
|
≥2A (recommended)
|
|
14
|
Receiving current
|
0.044A
|
12V
|
|
15
|
Communication interface
|
RS232/RS485
|
8N1, 8E1, 8O1
Eight kinds of baud rate, from 1200 to 115200 bps (default: 9600)
|
|
16
|
Driving mode
|
RS232/RS485
|
Can be configured to push-pull/high pull, open-drain
|
|
17
|
Transmitting length
|
512 bytes buffer
|
58 bytes per package
|
|
18
|
Receiving length
|
512 bytes buffer
|
58 bytes per package
|
|
19
|
Address
|
65536 configurable addresses
|
Easy for network, broadcast and fixed transmission
|
|
20
|
RSSI support
|
Built-in intelligent processing
|
-
|
|
21
|
Antenna type
|
SMA-K
|
External thread hole, 50ohm impedance
|
|
22
|
Operating temperature
|
-40 ~ +85℃
|
Industrial grade
|
|
23
|
Operating humidity
|
10% ~ 90%
|
Relative humidity, no condensation
|
|
24
|
Storage temperature
|
-40 ~ +125℃
|
Industrial grade
|
 
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