Description Receive RF Modules
Operating voltage: 3 ~ 5V DC
Operating current: ≤ 3 mA (DC 5V)
Operating frequency: 315MHz (over 20 frequency points are optional between 260 ~ 440 MHz)
Modulation Mode: ASK / OOK
RF sensitivity than -105 dBm (50 Ω)
Speed: <5 bps K (at 315 MHz, -95 dBm)

Chip collection: PT 2272M4, PT2272L4. CSxx, HSxx ..
Operating temperature: -20 ° C ~ 70 ° C
Antenna length 24 cm (315 MHz), 18 cm (433.92 MHz)
Size 47x19 mm