Detailed Product Description

Products Main Features:

  * Carrier frequency: 227-235MHz

  * Channel spacing: 12.5 kHz/25 kHz

  * Frequency stability: ±5ppm

  * Modulation: MSK;

  * Air data rate: 4800/2400/1200bps;

  * Channel: 16

  * Antenna impedance: TNCSMA 50Ω

  * Temperature: 20-60

  * Voltage DC 5V or 12V

  * Interface: TTL/RS-232/RS-485

  * Size: 72x46x16mm

  * Weight: c200g

  * Transmission distance: ≤3Km

Receiver: 

  * Receiving sensibility: ≤0.25μV (12db SINAD)

  * Adjacent channel selectivity: ≥70dB

  * Frequency deviation: ≤±5.0kHz

  * Clutter and images rejection: ≥70dB

  * Intermodulation rejection: ≥65dB

  * Audio distortion: ≤3%

  * Receiving current 60mA

Transmitter:

  * RF power: ≤500mW

  * Transmitting current: 450mA

  * Adjacent channel power: ≥70dB

  * Transmitter startup time: ≤50ms

  * Interface: RS-232/RS-485/TTL;

  * Data rate: 1200-4800bps optional, format 8N1

Application:   

  * Industrial automatic control, remote control;

  * Wireless Data Acquisition, SCADA;

  * Environment monitor;

  * Automatic meter reading(AMR), etc.