| Parameters | 
                                
                                                                                                            
                                            | Mounting Type | 
                                            Surface Mount | 
                                        
                                                                            
                                            | Package / Case | 
                                            66-UFBGA, CSPBGA | 
                                        
                                                                            
                                            | Supplier Device Package | 
                                            66-CSP (3.38x3.25) | 
                                        
                                                                            
                                            | Operating Temperature | 
                                            -40°C~85°C TA | 
                                        
                                                                            
                                            | Packaging | 
                                            Tape & Reel (TR) | 
                                        
                                                                            
                                            | Series | 
                                            Apollo3 | 
                                        
                                                                            
                                            | Part Status | 
                                            Discontinued | 
                                        
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 
                                            3 (168 Hours) | 
                                        
                                                                            
                                            | Type | 
                                            TxRx + MCU | 
                                        
                                                                            
                                            | Voltage - Supply | 
                                            1.755V~3.63V | 
                                        
                                                                            
                                            | Frequency | 
                                            2.4GHz | 
                                        
                                                                            
                                            | Memory Size | 
                                            1MB Flash 384kB RAM | 
                                        
                                                                            
                                            | Protocol | 
                                            Bluetooth v5.0 | 
                                        
                                                                            
                                            | Power - Output | 
                                            4dBm | 
                                        
                                                                            
                                            | RF Family/Standard | 
                                            Bluetooth | 
                                        
                                                                            
                                            | Sensitivity | 
                                            -94dBm | 
                                        
                                                                            
                                            | Data Rate (Max) | 
                                            1Mbps | 
                                        
                                                                            
                                            | Serial Interfaces | 
                                            ADC, I2C, I2S, SPI, UART | 
                                        
                                                                            
                                            | Current - Receiving | 
                                            3mA | 
                                        
                                                                            
                                            | Current - Transmitting | 
                                            3mA | 
                                        
                                                                            
                                            | GPIO | 
                                            50 | 
                                        
                                                                            
                                            | RoHS Status | 
                                            RoHS Compliant | 
                                        
                                                                                                    
                            
                         
                                                AMA3B1KK-KCR-B0 Overview
There is a 66-UFBGA, CSPBGA package on the board that RF transceiver IC is used to save space. In order to mount the RF transceiver's mounting, Surface Mount is used.TxRx + MCU emerges with transceiver RF's  high efficiency and reliability.High reliability is achieved by using advanced transceiver RF' packagings Tape & Reel (TR).The RF transceiver is a kind of the well-known Apollo3 series of products.Based on the frequency of 2.4GHz, RF transceiver operates .
AMA3B1KK-KCR-B0 Features
66-UFBGA, CSPBGA package
Surface Mount for mounting
TxRx + MCU 
 Tape & Reel (TR) is used
Apollo3 series
AMA3B1KK-KCR-B0 Applications
There are a lot of Ambiq Micro, Inc. AMA3B1KK-KCR-B0 RF Transceiver ICs applications. 
- Power Amplifier (PA)
 - LoT applications
 - Internet Radio
 - Health and Fitness
 -  
 - Secure Payment
 - Fitness
 - Remote Device Management
 - M2M Communication
 - Power management