It's wirely use in transmite wireless information and wireless remote industry. For example:

Entrance guard system
Various anti-theft system
Industry remote control, telemetering, remote sensing
Low Baud Rate data transmite
Wrokable in bad condition environment

Technological index:
1. Operating current: 5v+/- 0.5v
2. Operatting Current: ≤ 2.5mA(5V)
3. Operatting principle: Super heterodyne(VCO, PLL)
4. Frequency: 315 /433 MHz (customize)
5. Transmitting Speed: < 9.6Kbps(when 315MHz, -95dBm)

6. Sensitivity: Better than -110dbm(50Ω )
7. Temp: -40 ~ +80o C
8. Modulation Method: OOK/ASK
9. Output signal: TTL transparent level output
10. The length of antenna: 28cm(315MHz), 24m(433.92MHz)