Specifications
gfsk data transceiverRF power:500mW /27dBm;
Frequency: 150-350MHz , Modulation: MSK
Voltage: DC 5V or 12V
YS-T20 wireless module with 3 km range,gfsk data transceiver
Product Description
1. Products Main Features:A
* Carrier frequency: 227-233MHz
* Channel spacing: 25 kHz/12.5 kHz
* Frequency stability: ±5ppm
* Bit error rate: 10-6@-119dBm,4800bps
* Modulation: MSK;
* Air data rate: 4800/2400/1200bps optional;
* Channel: 16
* Antenna impedance: TNC 50Ω
* Temperature: -20~60°C
* Voltage: DC 5V or 12V
* Interface: TTL/RS-232/RS-485
* Size: 70x46x12mm
* Weight: 200g
* Transmission distance: ≤3Km
2.Receiver:
* Receiving sensibility: ≤-119dBm @4800bps
* Adjacent channel selectivity: ≥60dB;
* Frequency deviation: ≤±5.0kHz
* Clutter and images rejection: ≥60dB;
* Inter-modulation rejection: ≥55dB;
* Audio distortion: ≤3%;
* Receiving current: ≤ 60mA
3.Transmitter:
* RF power: ≤500mW/27dBm;
* Transmitting current: ≤450mA
* Adjacent channel power: ≥ 60dB;
* Transmitter startup time: ≤50ms;
* Interface: RS-232/RS-485/TTL;
* Data rate: 1200-4800bps optional, format 8N1
4.Applications:
* Industrial automatic control, remote control;
* Wireless Data Acquisition, SCADA;
* Environment monitor;
* Automatic meter reading(AMR), etc.
