Parameter:
· Power output: 5V DC default or 12V customized
· RF power: 1W default or 500mW
· Air baud rate: 1,200/2,400/4,800/9,600/19,200bps choose one
· Interface baud rate: 1,200/2,400/4,800/9,600/19,200bps programmable
· Frequency band: 433, 450, 470 or others
· Interface: Standard RS-232/RS-485/TTL
· Communication mode: Half-duplex
· Channel: 8(default), 16/32(customized)
· Receive current:<45mA (TTL connect)
· Receive sensitivity: -123dBm @ 1,200bps); -118dBm @ 9,600bps)
· Transmitting current:<500mA
· RF line-of-sight range: 2km (BER=10-5@9600bps); 3km (BER=10-5 @ 1,200bps)
· Size: 53×38×10mm (without antenna port)
Application:
Queuing machine wireless control
Automatic meter reading
LED display/ LED sign
PTZ wireless Monitoring
Factory automation
Handhold device
Irrigation system
Data telemetry
Robotics control
Home automation
Pin Definition (9 pin)
Pin No. | Signal Name | Function | Level | Connection with terminal | Remarks |
1 | GND | Grounding of power supply | Ground | ||
2 | VCC | Power supply DC | 5V | ||
3 | RxD/TTL | Data receiving | TTL | TxD | |
4 | TxD/TTL | Data transmitting | TTL | RxD | |
5 | SGND | Signal | |||
6 | A (TXD) | A of RS-485 (TxD of RS-232) | A(RxD) | ||
7 | B (RXD) | B of RS-485 (RxD of RS-232) | B(TxD) | ||
8 | SLEEP | Sleep control | TTL | Sleep signal | Low level valid |
9 | TEST | Factory testing |
Channel Configuration:
Each channel has its fixed frequency point which is pre-written to MCU in factory. The following is the configuration table for our common module. If you need other frequency points, please tell our sales when you place order.
Channel No. | Frequency | Channel No. | Frequency |
1 | 429.0325MHz | 5 | 433.0325MHz |
2 | 430.0325MHz | 6 | 434.0325MHz |
3 | 431.0325MHz | 7 | 435.0325MHz |
4 | 432.0325MHz | 8 | 436.0325MHz |
The Function of LED indicator
a. The LED indicator flashes red for 0.5S when power supply on.
b. The LED indicator blinking blue when receiving data.
c. The LED indicator blinking Red when transmitting data.
d. The LED indicator keeps dark when the module is in sleep mode.
