|
No.
|
Item
|
Parameter details
|
Description
|
|
1
|
Size
|
82 * 61 *25mm
|
Without antenna
|
|
2
|
Weight
|
135g
|
Without antenna
|
|
3
|
Frequency band
|
Default: 915MHz
|
900~931MHz, Channel: 32, 915±5MHz is recommended
|
|
4
|
Process
|
SMD, lead-free
|
Ensure the consistency and reliability of mass production
|
|
5
|
Connector
|
RS485:1 * 4 * 3.81mm
RS232:DB9
|
Screwing
Standard DB9, hole |
|
6
|
Supply voltage
|
8 ~ 28V DC
|
12V is recommended, Note: the voltage higher than 28V is forbidden
|
|
7
|
Communication level
|
RS232/RS485
|
Available for RS232 and RS485
|
|
8
|
Operation range
|
8000m
|
Test condition: clear and open area , antenna gain: 5dBi,height:> 2m, air data rate: 2.4kbps
|
|
9
|
Transmitting power
|
Maximum 30dBm
|
About 1W, can be configured to 30, 27, 24, 21dBm
|
|
10
|
Receiving sensitivity
|
-138dBm/0.3kbps
|
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, Voltage:12V
|
|
13
|
Transmitting current
|
693mA/30dBm
|
≥1.5A (recommended)
|
|
14
|
Receiving current
|
40mA
|
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
|
|
|
|
|
|
|
|
|
|
|
