Datasheet RN4677 (Microchip) - 11

link to page 11
RN4677 2.0 APPLICATION INFORMATION 2.1 RN4677 Ceramic Chip Antenna
The RN4677 module contains an integral ceramic chip antenna. The antenna performance on the module is shown in Figure 2-1.
FIGURE 2-1: RN4677 ANTENNA RADIATION PATTERN Frequency 2450 MHz
Max Gain 1.63 dBi Efficiency 71.55%  2015 Microchip Technology Inc.
Advance Information
DS50002370A-page 11 Document Outline Bluetooth® 4.0 Dual Mode Module Features Operational RF/Analog Data Throughput MAC/Baseband/Higher Layer Antenna Compliance General Description Applications Table of Contents Most Current Data Sheet Errata Customer Notification System 1.0 Device Overview TABLE 1-1: RN4677 Module Family Types FIGURE 1-1: RN4677 Block Diagram 1.1 Interface Description FIGURE 1-2: RN4677 PIN Diagram FIGURE 1-3: RN4677U PIN Diagram TABLE 1-2: PIN Description 1.2 Configuring the RN4677 1.3 UART Interface 1.4 Control and Indication I/O Pins TABLE 1-3: Configuration And Indication I/O Assignments 1.5 Status Indication I/O Pins TABLE 1-4: Status Indication 1.6 Software Button (SW_BTN) 1.7 WAKE UP (WAKEUP) 1.8 RESET (RST_N) 1.9 Status LED (LED1) 1.10 System Configuration 1.11 Power TABLE 1-5: system configuration settings FIGURE 1-4: RN4677 To MCU Interface Example - LDO FIGURE 1-5: RN4677 To MCU Interface Example - Battery 1.12 Mounting Details 1.13 Soldering Recommendations FIGURE 1-6: RN4677 Module Dimensions FIGURE 1-7: RN4677 Recommended PCB Footprint FIGURE 1-8: RN4677 Host PCB Mounting Suggestion 2.0 Application Information 2.1 RN4677 Ceramic Chip Antenna FIGURE 2-1: RN4677 Antenna Radiation Pattern 2.2 External Configuration and Programming FIGURE 2-2: External Programming Header Connections 3.0 Regulatory Approval 3.1 United States 3.1.1 LABELING AND USER INFORMATION REQUIREMENTS 3.1.2 RF EXPOSURE 3.1.3 HELPFUL WEB SITES 3.2 Canada 3.2.1 LABELING AND USER INFORMATION REQUIREMENTS 3.2.2 RF EXPOSURE 3.2.3 APPROVED EXTERNAL ANTENNA TYPES 3.2.4 HELPFUL WEB SITES 3.3 Europe 3.3.1 LABELING AND USER INFORMATION REQUIREMENTS 3.3.2 EXTERNAL ANTENNA REQUIREMENTS 3.3.3 HELPFUL WEB SITES TABLE 3-1: European Compliance Testing 4.0 Electrical Characteristics TABLE 4-1: Environmental Conditions TABLE 4-2: Electrical Characteristics TABLE 4-3: Supply Consumption-Classic(1) TABLE 4-4: Supply Consumption-low Energy(1) TABLE 4-5: UART Baud 5.0 Ordering Information TABLE 5-1: Ordering Information Appendix A: Revision History Revision A (May 2015) The Microchip Web Site Customer Change Notification Service Customer Support Product Identification System Worldwide Sales and Service