FN-LINK 6220T-IF WiFi Dual Band Combo Module Instruction Manual

Q: Can the module support both Wi-Fi and Bluetooth simultaneously?
A: Yes, the module supports the co-existence of RF design between Wi-Fi and Bluetooth.

6220T-IF Module Datasheet

Ordering Information	Part NO.	Description
Ordering Information	FG6220TIFX-00	RTL8720DF-VA1-VG,24*16mm 4MB FLASH, UART,USB, SD, SDIO,SPI,I2C

Revision History

Version	Date	Contents of Revision Change	Preparde	Checked	Approved
V1.0	2023/9/5	New version	LXP	ZZQ	QJP

General Description

Introduction
The 6220T-IF is a multi-radio MCU module. With the open CPU architecture, customers can develop advanced applications running on the dual-core 32-bit MCU. The radio provides support for Wi-Fi 802.11 a/b/g/n in the 2.4GHz/5GHz band and BLE 5.0 communications. The rich set of peripherals and high performance make it an ideal choice for smart homes, industrial automation, consumer electronics, etc.

Description

Model Name	6220T-IF
Product Description	Support Wi-Fi/Bluetooth functionalities
Dimension	L x W x H: 24 x 16 x 2.3mm
Host Interface	UART,USB,SD, SDIO ,SPI,I2C….
Operating temperature	-20°C to 85°C
Storage temperature	-55°C to 125°C

Features

General

RTL8720DF-VT1-CG(named RTL8720DF thereafter)chipset embedded, dual-coreprocessor:KM4upto200MHz,KM0upto20MHz

KM4 on-chip memory: up to 512KB SRAM
KM0 on-chip memory: up to 64KB SRAM

4MB Flash

WIFI Features

802.11a/b/g/n 1×1,2.4GHz&5GHz
Center frequency range of operating channel:2412MHz~2484MHz,5180MHz~5825MHz

Support 20MHz/40MHz bandwidth, up to the data rate of MCS7
Wi-Fi WEP,WPA,WPA2,WPA3,WPS;open,shared key,and pair-wise key authentication services

Support low-power Tx/Rx for short-range application
Frame aggregation for increased MAC efficiency(A-MSDU, A-MPDU)

Bluetooth Features

Bluetooth LE: Bluetooth5.0

Speed:125Kbps,500Kbps,1Mbps,and2Mbps
Support LE secure connections

Support LE scatternet
Support 3Master links/1Slavelink
Co-existence RF design between Wi-Fi and Bluetooth

Peripherals

4x UART interface, baud rate upto 6MHz
2x I2C,two speed modes:standard up to10Kbps,fast up to 400Kbps
2x SDIO Host/SDIO 2.0 Device, clock up to50MHz
3x SPI Master/Slave, baud rate up to50MHz
1x USB2.0 HS/FS/LS mode
11x PWM with configurable duration and duty cycle from 0~100%
19x programmable GPIOs
KM4 and KM0 both have a GDMA controller, each with 6 channels

Block Diagram

General Specification

G RF Specification

Feature	Description
WLAN Standard	IEEE 802.11 b/g/n Wi-Fi compliant
Frequency Range	2.400 GHz ~ 2.4835 GHz (2.4 GHz ISM Band)
Number of Channels	2.4GHz：Ch1 ~ Ch14
Test Items	Typical Value		EVM
Output Power	802.11b /11Mbps : 18dBm ± 2 dB		EVM £ -10dB
	802.11g /54Mbps : 17dBm ± 2 dB		EVM £ -25dB
	802.11n /MCS7	: 16dBm ± 2 dB	EVM £ -28dB
Spectrum Mask	Meet with IEEE standard
Freq. Tolerance	±20ppm
SISO Receive Sensitivity (11b,20MHz) @8% PER	– 1Mbps	PER @ -94 dBm	≤-83 dBm
	– 11Mbps	PER @ -87 dBm	≤-76 dBm
Receive Sensitivity (11g,20MHz) @10% PER	– 6Mbps	PER @ -89 dBm	≤-85 dBm
	– 54Mbps	PER @ -75 dBm	≤-68 dBm
Receive Sensitivity (11n,20MHz) @10% PER	– MCS=0	PER @ -89 dBm	≤-85 dBm
	– MCS=7	PER @ -72 dBm	≤-67 dBm
Receive Sensitivity (11n,40MHz) @10% PER	– MCS=0	PER @ -89 dBm	≤-82 dBm
	– MCS=7	PER @ -70 dBm	≤-64 dBm
Maximum Input Level	802.11b: -10 dBm
	802.11g/n: -20 dBm
Antenna Reference	PCB antenna with 0~2 dBi peak gain

GHz RF Specification

Feature	Description
WLAN Standard	IEEE 802.11a/n/, Wi-Fi compliant
Frequency Range	5.150 GHz ~ 5.850 GHz (5.0 GHz Band)
Test Items	Typical Value	EVM
Output Power	802.11a 54Mbps: 18 ± 2 dBm	EVM £ -25dB
Output Power	802.11n MCS7: 17 ±2 dBm	EVM £ -28dB
Receive Sensitivity (11a,20MHz) @10% PER	– 6Mbps PER @ -89 dBm, typical	≤-82
Receive Sensitivity (11a,20MHz) @10% PER	– 54Mbps PER @ -71 dBm, typical	≤-65

Receive Sensitivity (11n,20MHz) @10% PER	– MCS=0 PER @ -89 dBm, typical	≤-82
Receive Sensitivity (11n,20MHz) @10% PER	– MCS=7 PER @ -69 dBm, typical	≤-64
Receive Sensitivity (11n,40MHz) @10% PER	– MCS=0 PER @ -87 dBm, typical	≤-79
Receive Sensitivity (11n,40MHz) @10% PER	– MCS=7 PER @ -67 dBm, typical	≤-61
Maximum input level	802.11a/n: -30 dBm
Antenna Reference	Small antennas with 0~2 dBi peak gain

Note: The RF specification will be updated in a future version

Bluetooth Specification

Feature	Description
General Specification
Bluetooth Standard	Bluetooth V5.0
Host Interface	UART
Antenna Reference	Small antennas with 0~2 dBi peak gain
Frequency Band	2400MHz ~ 2483.5 MHz
Number of Channels	40 channels
Modulation	GFSK
RF Specification
	Min(dBm)	Typical(dBm)	Max(dBm)
Output Power (Class 1)	3	5	7
Sensitivity @ BLE=30.8% for GFSK (1Mbps)		-90
Maximum Input Level	GFSK (1Mbps):-20dBm

Pin Definition

Pin Outline

Pin Definition details

P: POWER I: INPUT O: OUTPUT VDDIO:3.3V

Electrical Specifications
Power Supply DC Characteristics

	Min.	Typ.	Max.	Unit
Operating Temperature	-20	25	85	deg.C
VCC33	3.0	3.3	3.6	V

Size reference

Module Picture

L x W : 24 x16 (±0.2) mm
H: 2.3(±0.1)mm
Weight	TBD

Layout Recommendation

The Key Material List

Reference Design

Recommended Reflow Profile

Referred to IPC/JEDEC standard.

Peak Temperature: <260°C
Number of Times: ≤2 times

Package

Reel

A roll of 840pcs

Carrier Tape Detail

Packaging Detail

the take-up package

Using self-adhesive tape

Size of black tape: 24mm*24.4m the cover tape :21.3mm*32.6m
Color of plastic disc: blue

Tray
Use pallet packaging for less than 300 pieces

FCC STATEMENT

This device complies with Part 15 of the FCC rules. Operation is subject to the following two conditions:

this device may not cause harmful interference, and
this device must accept any interference received, including interference that may cause undesired operation.

Caution: Any changes or modifications to this device not explicitly approved by the manufacturer could void your authority to operate this equipment.
The device has been evaluated to meet general RF exposure requirements. This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with a minimum distance 20cm between the radiator & your body.

Moisture sensitivity
The Modules is a Moisture moisture-sensitive device level 3, under standard IPC/JEDEC J-STD-020, take care
all the relatives requirements for using this kind of components.
Moreover, the customer has to take care of the following conditions:

Calculated shelf life in sealed bag: 12 months at <40°C and <90% relative humidity (RH)
Environmental condition during the production: 30°C / 60% RH according to IPC/JEDEC J-STD-033A paragraph 5

The maximum time between the opening of the sealed bag and the reflow process must be 168 hours if condition
“IPC/JEDEC J-STD-033A paragraph 5.2” is respected
Baking is required if conditions b) or c) are not respected

Baking is required if the humidity indicator inside the bag indicates 10% RH or more

Integration instructions for host product manufacturers according to KDB 996369 D03 OEM Manual v01

Conditions on using FN-LINK TECHNOLOGY LIMITED regulatory approvals:

The customer must ensure that its product (The ”CUSTOMER Product”) is electrically identical to FN-LINK TECHNOLOGY LIMITED reference designs. Customer acknowledges that any modifications to FN-LINK TECHNOLOGY LIMITED reference designs may invalidate regulatory approvals about the CUSTOMER Product, or may necessitate notifications to the relevant regulatory authorities.
The customer is responsible for ensuring that antennas used with the product are of the same type, with same or lower gains as approved and providing antenna reports to FN-LINK TECHNOLOGY LIMITED.
The customer is responsible for regression testing to accommodate changes to FNLINK TECHNOLOGY LIMITED reference designs, new antennas, and RF exposure safety testing/approvals.

Appropriate labels must be affixed to the CUSTOMER Product that complies with applicable regulations in all respects.
A user’s manual or instruction manual must be included with the customer product that contains the text as required by applicable law. Without limitation of the foregoing, an example (for illustration purposes only) of possible text to include is set forth below:

List of applicable FCC rules

FCC Part 15 Subpart C 15.247, FCC Part 15 Subpart E

Specific operational use conditions

Radio Technology: Bluetooth BLE

Operation frequency: 2402-2480MHz
Channel No.: 40 channels
Data rate: 1Mbps/2Mbps

Channel Separation: 2MHz
Modulation: GFSK
Antenna Type: PCB antenna, max gain 0.64dBi.

Radio Technology: 2.4G WIFI
Operation frequency: 2412MHz-2462MHz for IEEE 802.11 b, g. n/HT20
2422MHz~2452MHz for IEEE802.11n/HT40

Channel No.: 802.11b/802.11g /802.11n (HT20): 11, 802.11(HT40): 9
Modulation type: IEEE 802.11b: DSSS (CCK, DQPSK, DBPSK)
IEEE 802.11g: OFDM (64QAM, 16QAM, QPSK, BPSK)

IEEE 802.11n: OFDM (64QAM, 16QAM, QPSK, BPSK)
Antenna Type: PCB antenna, max gain 0.64dBi.
Radio Technology: 5G WIFI

Operation Frequency: 802.11a/n (HT20): 5180~5240MHz; 5260-5320MHz; 5500-
5700MHz; 5745~5825MHz
802.11n (HT40): 5190~5230MHz; 5270-5310MHz; 5510-5670MHz;

5755~5795MHz
Channel separation: 20MHz for 802.11a/ 802.11n (HT20)
40MHz for 802.11n (HT40)

Modulation technology: IEEE 802.11n: OFDM (64QAM, 16QAM, QPSK, BPSK)
IEEE 802.11a: OFDM (64QAM, 16QAM, QPSK, BPSK)
Antenna Type: PCB antenna, max gain 2.63dBi.

The module can be used for mobile applications with a maximum 2.63dBi antenna. The host manufacturer installing this module into their product must ensure that the final composit product complies with the FCC requirements by a technical assessment or evaluation to the FCC rules, including the transmitter operation. The host manufacturer has to be aware not to provide information to the end user regarding how to install or remove this RF module in the user’s manual of the end product which integrates this module. The end user manual shall include all required regulatory information/warning as show in this manual.

Limited module procedures
Not applicable. The module is a Single module and complies with the requirement of FCC Part 15.212.

Trace antenna designs
The antenna used is the PCB antenna on the module.

RF exposure considerations
If RF exposure statement or module layout is changed, then the host product manufacturer is required to take responsibility of the module through a change in FCC ID or a new application. The FCC ID of the module cannot be used on the final product. In these circumstances, the host manufacturer will be responsible for reevaluating the end product (including the transmitter) and obtaining a separate FCC authorization.

Antennas

Antenna Specification are as follows:

Antenna Type: PCB antenna
Antenna Gain(Peak):2.63 dBi (Provided by customer)
This device is intended only for host manufacturers under the following conditions:

The transmitter module may not be co-located with any other transmitter or antenna;

As long as the conditions above are met, further transmitter tests will not be required. However, the host manufacturer is still responsible for testing their end product for any additional compliance requirements required with this module installed (for example, digital device emissions, PC peripheral requirements, etc.).

Label and compliance information
Host product manufacturers need to provide a physical or e-label stating “Contains FCC ID: 2AATL-6220T-IF” With their finished product.

Information on test modes and additional testing requirements

Radio Technology: Bluetooth BLE
Operation frequency: 2402-2480MHz

Channel No.: 40 channels
Data rate: 1Mbps/2Mbps
Channel Separation: 2MHz

Modulation: GFSK
Antenna Type: PCB antenna, max gain 0.64dBi.
Radio Technology: 2.4G WIFI

Operation frequency: 2412MHz-2462MHz for IEEE 802.11 b, g. n/HT20
2422MHz~2452MHz for IEEE802.11n/HT40
Channel No.: 802.11b/802.11g /802.11n (HT20): 11, 802.11(HT40): 9

Modulation type: IEEE 802.11b: DSSS (CCK, DQPSK, DBPSK)
IEEE 802.11g: OFDM (64QAM, 16QAM, QPSK, BPSK)
IEEE 802.11n: OFDM (64QAM, 16QAM, QPSK, BPSK)

Antenna Type: PCB antenna, max gain 0.64dBi.
Radio Technology: 5G WIFI
Operation Frequency: 802.11a/n (HT20): 5180~5240MHz; 5260-5320MHz; 5500-5700MHz; 5745~5825MHz

802.11n (HT40): 5190~5230MHz; 5270-5310MHz; 5510-5670MHz; 5755~5795MHz
Channel separation: 20MHz for 802.11a/ 802.11n (HT20) 40MHz for 802.11n (HT40)

Modulation technology: IEEE 802.11n: OFDM (64QAM, 16QAM, QPSK, BPSK) IEEE 802.11a: OFDM (64QAM, 16QAM, QPSK, BPSK) Antenna Type: PCB antenna, max gain 2.63dBi.
Host manufacturer must perform a test of radiated & conducted emission and spurious emission, according to the actual test modes for a stand-alone modular transmitter in a host, as well as for multiple simultaneously transmitting modules or other transmitters in a host product.
Only when all the test results of test modes comply with FCC requirements, then the end product canbe sold legally.

Additional testing, Part 15 Subpart B disclaimer
The modular transmitter is only FCC authorized for FCC Part 15 Subpart C 15.247 and the host product manufacturer is responsible for compliance to any other FCC rules that apply to the host not covered by the modular transmitter grant of certification. If the grantee markets their product as being Part 15 Subpart B compliant (when it also contains unintentional-radiator digital circuity), then the grantee shall provide a notice stating that the final host product still requires Part 15 Subpart B compliance testing with the modular transmitter installed.
The end user manual shall include all required regulatory information/warning as shown in this manual, including:
This product must be installed and operated with a minimum distance of 20 cm between the radiator and the user body.

CONTACT

Office: 14th floor, Block B, Phoenix Zhigu, Xixiang Street, Baoan District, Shenzhen
Factory: NO.8, Litong RD., Liuyang Economic & Technical Development Zone, Changsha, CHINA
TEL:+86-755-2955-8186 Website:www.fn-link.com

Documents / Resources

FN-LINK 6220T-IF WiFi Dual Band Combo Module [pdf] Instruction Manual
6220T-IF, RTL8720DF-VA1-VG, 6220T-IF WiFi Dual Band Combo Module, 6220T-IF Dual Band Combo Module, WiFi Dual Band Combo Module, Dual Band Combo Module, Dual Band Module, Combo Module, Module

References

User Manual

FN-LINK 6220T-IF WiFi Dual Band Combo Module

Product Usage Instructions

FAQ