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| Brand Name : | HUARAY | 
| Certification : | CE, FCC, ROHS | 
| Model Number : | HR-1021 | 
| Price : | negotiable | 
| Delivery Time : | two working days | 
| Payment Terms : | T/T, L/C, Papal, Moneygram, Western Union | 
| Supply Ability : | 100,000PCS/month | 
HR-1021, 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;
Technical specification of HR-1021:
Serial number  | Item  | Parameter  | Note  | 
1  | Modulation mode  | GFSK/FSK  | |
2  | Work frequency  | 420.00~450.30/860~875/910~925MHz  | |
3  | Transmission power  | 17Bm(50mW)  | |
4  | Receiving sensitivity  | -115 ~ -118dBm  | |
5  | Channel amount  | 8channel  | User setting  | 
6  | Transmitting current  | <100mA  | |
7  | Receiving current  | <30mA  | |
8  | Sleeping current  | <3uA  | |
9  | Interface velocity  | 1200/2400/4800/9600/19200bps  | |
10  | Interface mode  | UART TTL/RS-232/RS-485  | User setting  | 
11  | Power supply  | +3~5VDC  | |
12  | Working temperature  | -25 to +80  | 
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13  | Working humidity  | 10%~90%(relative humidity without condensation)  | |
14  | Dimension  | 47mm*6mm*10mm  | |
15  | Reliable transmit distance  | 1200m  | 
                                 
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