| Parameters | 
                                
                                                                                                            
                                            | Package / Case | 
                                            Module | 
                                        
                                                                            
                                            | Supplier Device Package | 
                                            Module | 
                                        
                                                                            
                                            | Weight | 
                                            19.867346g | 
                                        
                                                                            
                                            | Packaging | 
                                            Bulk | 
                                        
                                                                            
                                            | Published | 
                                            2012 | 
                                        
                                                                            
                                            | Part Status | 
                                            Obsolete | 
                                        
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 
                                            Not Applicable | 
                                        
                                                                            
                                            | Applications | 
                                            Remote Sensors and Triggers | 
                                        
                                                                            
                                            | Voltage - Supply | 
                                            5V | 
                                        
                                                                            
                                            | Frequency | 
                                            433MHz | 
                                        
                                                                            
                                            | Data Interface | 
                                            PCB, Through Hole | 
                                        
                                                                            
                                            | Data Rate (Max) | 
                                            19.2kBaud | 
                                        
                                                                            
                                            | Current - Receiving | 
                                            10mA | 
                                        
                                                                            
                                            | Antenna Connector | 
                                            On-Board, Whip | 
                                        
                                                                            
                                            | RoHS Status | 
                                            Non-RoHS Compliant | 
                                        
                                                                                                    
                            
                         
                                                27981 Overview
We've included in the Module package so that RF Receiver's easier to use.There is a way to package of RF transmitter and receiver in the form of a Bulk.Its supply voltage is 5V.It is mostly used in Remote Sensors and Triggers.When working at a frequency of 433MHz it is able to achieve excellent efficiency.
27981 Features
Module package
433MHz
27981 Applications
There are a lot of Parallax Inc. 27981 RF Receivers applications. 
- Cellular infrastructure
 - Networking Software
 - Wireless infrastructure
 - Test Equipment
 - Forming a Self-Healing
 - GSM
 - TD-SCDMA
 - Keyless Entry Systems
 - Radio communication equipment
 - Microprocessor