PM4432 wireless module is used Silicon Laboratories the Si4432 chip to develop high performance,High stability of the wireless module.This module USES the SI4432 - B1 version of IC design,Stable and reliable performance,Don't crash.Effective communication distance 800 to 1000 meters,Farthest under low speed to 1800 m.No lead,Products easily through RHOS testing;harmonic,Easily through the electromagnetic interference detection.Small size.This module has the very high cost performance,Is the practical application in 100 meters to 1000 meters between an ideal choice.

Characteristics 
1.Frequency range:433/868(240-930 MHZ can be customized)
2.The sensitivity:As high as 121 DBM
3.Maximum output power:13dBm 30mA@+13dBm (emission) 100mA@20dBm
4.Data transfer rate:0.123-256kbps
5.Modulation mode:FSK,GFSK and OOK
6.power supply:1.8-3.6 V
7.Ultra low power off mode
8.Digital receiving signal strength indicator(RSSI)
9.Regular wake up function
10.Antenna automatic matching and two-way switch control
11.Configurable data package structure
12.Before the synchronous signal detection
13.64 bytes to send and receive data registers(FIFO)
14.Low power testing
15.Temperature sensing and 8 bits of AD converter
16.Working temperature range:-20~+60°C
17.Integrated voltage regulator
18.Frequency hopping function
19.Power on reset function
20.Built-in crystal error adjustment function

Range of application
Wireless ordering equipment
Industrial remote control
Remote telemetry
Queuing system
Small wireless network,The wireless meter reading
Entrance guard system,Village pager
Industrial data acquisition system
Small wireless data terminals
Fire safety system
The wireless remote control system
Biological signal collection
Hydrologic meteorological monitoring
Robot control
Wireless alarm system, etc