Radio Modem:
Power output: DC 5V (customize)
RF power: ≤2W(customize)
RF effective rate: 1,200/2,400/4,800/9,600/19,200bps
Interface baud rate: 1,200/2,400/4,800/9,600/19,200bps optional
Rrequency band: 433 MHz, 450MHz, 470MHz or ISM others
Interface: standard RS-232/RS-485 and TTL
Communication mode: half-duplex
Offering a transparent data interface, it is suitable for any standard or non-standard user protocols
Channel: 8(default), 16/32(customized)
Receive current:<30mA(TTL connect)
Receive sensitivity: -123dBm@1,200bps);-118dBm@9,600bps)
Transmitting current:<1.5a
Sleep current:<20ua
RF line-of-sight range: 5km(BER=10-3@9,600bps); 7km(BER=10-3@1,200bps)
Size: 80 x 45 x 19mm (without antenna port)
Application
Wireless LED display, Wireless LED Sign, Wireless Lighting Management
Wireless Attendance Checking Machine, Attendance Record Machine, Finger Print Machine
Wireless Alarm System, Wireless Security system, wireless intruder alarm
Wireless fire alarm system
Wireless Laser Barcode Scanner
Wireless LCD Baby monitor, Heat Monitoring
Wireless Windows Sensor, Wireless Door Sensor
Digital force recorder, Digital weight indicator, Electronic scale
Queuing Management System
Automatic Meter Reading
Tire pressure monitoring, Four-wheel Orientation
Medical Treatment, Medical Alerts , Wireless nurse calling system
Industry Automation, Home automation, Building automation,
Access Control System
Wireless Remote control
Wireless PTZ Control
Wireless irrigation system, Drip irrigation
Intelligent Traffic system
Pin Definitions and connection methods
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 (input) | TTL | Sleep signal | Low level valid |
9 | TEST | Factory testing |
