Main Features
- Support VHF(136-174MHZ,220-240MHZ)UHF(410-470MHZ) user programming
- High receiving sensitivity up to -123dBm/1200bps
- Air data rate 1200-115200 settable,serial data rate 1200-115200 settable by user;
- 3km-5km line of sight long transmission distance
- 3ms delay at 115200bps
- With RS232&RS485 2 interface, TTL customized
- 16 Channels (0Ch DIP switch select and other 15Chs PC software programming)
Technical Parameters:
Frequency Range
|
410~470MHz,136-174MHZ,220-240MHZ
|
|
Frequency stability
|
≤±2.5PPm
|
|
Transmit Power
|
2W(33dBm)
|
|
Modulation
|
GFSK
|
|
RF Data Rate
|
1200~115200bps
|
|
Interface
|
RS232&RS485(TTL customized)
|
|
Power Supply
|
5V@2A(8~36V customized in factory)
|
|
Interface Data Format
|
8E1/8N1/801
|
|
Transmission Distance
|
3km-5km line of sight (if Antenna is put at above 2m height)
|
|
Receiving Sensitivity
|
-123dBm@1200bps/118dBm@9600bps
|
|
Channel Bandwidth
|
10KHZ@1200bps/25KHZ@9600bps
|
|
Working Temperature
|
-40℃~80℃ (industrial grade)
|
|
Working Humidity
|
10% to 90% relative humidity, no condensation
|
|
Emission Current
|
≤1500mA
|
|
Receiving Current
|
≤50mA
|
|
Dimension(L/W/H)
|
86 X 45 X 20 mm
|
|
Weight(g)
|
≤80g
|
Dimension
Pin Definitions
Pins
|
Definition
|
Description
|
Level
|
Terminal Connection
|
1
|
VCC
|
DC 5V
|
Positive power supply 8-36V can be set in factory
|
|
2
|
Rxd/RS232
|
Data Input
|
RS232 Level
|
Txd/RS232
|
3
|
Txd/RS232
|
Data Output
|
RS232 Level
|
Rxd/RS232
|
4
|
GND
|
Ground of power supply
|
Negative power supply
|
5
|
SGND
|
Signal
|
SGND
|
Signal
|
6
|
A/RS485
|
RS485 Signal+
|
RS485 Level
|
A/RS485
|
7
|
B/RS485
|
RS485 Signal-
|
RS485 Level
|
B/RS485
|
8
|
NC
|
NC
|
|
|
9
|
NC
|
NC
|
|
|
Working Frequency
The DIP switch can select 0~16 channels, and frequency point of 1~15 channels is fixed, and the frequency of the 0 channel can be set and saved arbitrarily through our software. Dial switch to "ON", means "1", dial "OFF" means "0", "1 is high" and "4" is "low.
Channel (1234)
|
Frequency(MHz)
|
Channel (1234)
|
Frequency(MHz)
|
0(0000)
|
453.25000
|
8(1000)
|
449.75000
|
1(0001)
|
425.25000
|
9(1001)
|
456.75000
|
2(0010)
|
428.75000
|
10(1010)
|
460.25000
|
3(0011)
|
432.25000
|
11(1011)
|
463.75000
|
4(0100)
|
435.75000
|
12(1100)
|
467.25000
|
5(0101)
|
439.25000
|
13(1101)
|
470.75000
|
6(0110)
|
442.75000
|
14(1110)
|
474.25000
|
7(0111)
|
446.25000
|
15(1111)
|
477.75000
|
We're professional manufacturer of wireless sensors,2g 3g 4g lte GSM modem,Lora,wireless radio modems,OEM/ODM,wireless customized solutions/system/applications.
Welcome to contact Sarah for more information about wireless solution.
Shenzhen Thingsend Communication Technology Co.,Ltd
Email:sales(at)thingsend(dot)com
Contact:sarah yuan
Skype ID:+86 188 2073 9215 (skype name:wireless solutions-sarah yuan)