product manual:
CHJ-9926 is designed and manufactured by Taiwan's RF integrated circuit, superheterodyne work, SAW resonance, with good stability, strong anti-interference characteristics, with a decoder IC can be used directly, widely used in the higher requirements Of industrial control and other occasions.
Scope of application:
1. Various low-rate digital signal reception; 4-bit data wireless reception
2. Industrial remote control, telemetry, remote sensing
3. Anti-theft alarm signal reception, a variety of household appliances such as remote control.
Technical indicators:
Operating Voltage
5.0VDC ± 0.5V
Working current
≤5mA (5.0VDC)
working principle
superheterodyne
Way of working
OOK / ASK
working frequency
315MHz, 433.92MHz, special frequency can be customized
Bandwidth
2MHz (315MHz, sensitivity down 3dBm test)
Sensitivity
Better than -100dBm (50Ω)
Rate
<9.6Kbps (315MHz, -95dBm)
Decoding format
PT2272, AX5327 and so on
Antenna length
24 cm (315 MHz), 18 cm (433.92 MHz)