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Products-RF Module-HR-1103 Data RF Module
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HR-1103, the low-power wireless transceiver data module is used as the wireless data transceiver in short-ranges, with the small size, weight and power consumption and good stability and reliability. Narrowband low power UHF wireless data transmitters and receivers with channel spacings as low as 25 kHz:
* AMR Automatic Meter Reading
 * Wireless alarm and security systems
 * Home automation
 * Low power telemetry
* 433 / 868 and 915 MHz ISM/SRD band systems
* Data radio can be used for Wireless conference voting system;
* Mapping;
* Radio modem can be used for Sports training & competition;
* Wireless dishes ordering;
* Wireless POS, PDA wireless smart terminal;
* RF modem can be used for Electronic bus station and intelligent traffic;
* RF transmitter Wireless electronic display screen and queuing machine;
* Wireless telemetry Charging for parking, parking lot;
* Wireless modem Automobile inspection and four-wheel orientation;
* Wireless sensor Industrial wireless remote control and air conditioning remote controller;
* Observation and predication of oil well and hydrological information;
* Wireless RS232/RS485 conversion/connector;
* Point to multi-point wireless network, wireless on-the-spot bus and automatic data collection system;
Serial number
Modulation mode
Work frequency
Transmission power
Receiving sensitivity
-118 ~ -119dBm
Channel amount
Transmitting current
Receiving current
Sleeping current
Baud rate
First ordered
Interface mode
UART TTL/RS-232/RS-485
First ordered
Power supply
Working temperature
Working humidity
10%~90%(relative humidity without condensation)
Transmit distance
2500m(in the open air and use AT-9 antenna)
1. low power transmission with the transmission power of 32dbm/1.5W.
2. ISM frequency band , requiring on application of frequency point.
Carrier frequency of 433MHz (HR-1103 F433), 915MHZ(HR-1103 F915), 868MHz(HR-1103 F868).
3. High anti- interference and low BER(Bit error Rate)
Based on the GFSK modulation mode, the high- efficiency forward error correction channel encoding technology is used to enhance data’s resistance to both burst interference and random interference and the actual bit error rate of 10-5 ~ 10-6 can be achieved when channel bit error rate is 10-2.
4. Long transmission distance
Within the range of visibility, the reliable transmission distance is >2500 m when the height is greater than 2m (BER=10-3@9600bps).
Within the range of visibility, the reliable transmission distance is >1800 m when the height is greater than 2m (BER=10-3@1200bps).
Within the range of visibility, the reliable transmission distance is >2800 m when the height is greater than 3m (BER=10-3@9600bps).
Within the range of visibility, the reliable transmission distance is >2200 m when the height is greater than 3m (BER=10-3@1200bps).
5. Transparent data transmission
Transparent data interface is offered to suit any standard or nonstandard user protocol. Any false data generated in the air can be filtrated automatically (What has been received is exactly what has been transmitted).
6. Multi- channel
The standard HR-1103 configuration provides 8 channels. If the user needs, it can be extended to 16/32 channels, meeting the multiple communication combination mode of the user.
7.Dual serial port, 3 interface modes
HR-1103 provides 2 serial ports and 3 interfaces, with COM1 as the TTL level UART interface and COM2 as user defined standard RS - 232/RS - 485 interface (user only needs to plug/pull 1 bit short circuiter and energize it to make the definition).
8. Large data buffer zone
 Interface baud rate is 9600bps with format of 8N1/8E1 and user self- definition, allowing the transmission of long data frames at one time for more flexible programming by users. (If the user needs, it can also transmit the data in unlimited length at one time).
9. Intelligent data control and the user doesn’t need to prepare excessive programs
Even for semi duplex communication, the user doesn’t need to prepare excessive programs, only receiving/transmitting the data from the interface. HR-1103 will automatically, complete the other operations, such as transmission/receiving conversion in the air, control, etc.
10. Low power consumption and sleeping function
For receiving, current is <30mA, transmitting current is <100mA, and sleep current is <20uA.
11. High reliability, small and light
Single chip radio - frequency integrated circuit and single chip MCU are used for lessened peripheral circuit s, high reliability, and low failure rate.