EJ2840 Bluetooth Low Energy Module
Product Information
Product Name: EJ2840
Manufacturer: KAGA FEI Co., Ltd.
FCC ID: 2A6NF EJ2840
IC: 28568- EJ2840
Version: 1.0
Date: 04-Jul.2023
Product Usage Instructions
- This module should be installed in the host device according to
the interface specification. - Japan Regulatory Information: This product
installs a radio system which has been approved as a radio station
in a low power data communication system based on the Radio Law.
Ensure that your product bears a label with the following
information: 005-103131. If the product is too small, you can place
the label in the instruction manual and package. - Canada Regulatory Information:
- a) This device complies with Innovation, Science and Economic
Development Canada’s applicable license-exempt RSSs. Operation is
subject to the following two conditions: (1) this device may not
cause interference, and (2) this device must accept any
interference, including interference that may cause undesired
operation of the device. - b) To maintain compliance with RF Exposure requirement, please
use this product within the specifications and maintain a
separation distance of at least 15 mm between the user and/or
bystander and the antenna and/or radiating element. - c) Please indicate your product name on the exterior of the
host product or product packaging or product literature, which
should be available with the host product or online. - d) Include the following statements in a rectangle on the user
manual of the host device: “This device complies with Innovation,
Science and Economic Development Canada license-exempt RSS
standards. Operation is subject to the following two conditions:
(1) This device may not cause interference. (2) This device must
accept any interference, including interference that may cause
undesired operation of the device.”
- a) This device complies with Innovation, Science and Economic
- FCC Regulatory Information:
- a) This device complies with part 15 of the FCC Rules.
Operation is subject to the following two conditions: (1) This
device may not cause harmful interference, and (2) this device must
accept any interference received, including interference that may
cause undesired operation. - b) FCC ID of this device: 2A6NFEJ2840. The FCC ID is not
indicated on the device itself due to space constraints. - c) Please notify the certified ID by either one of the
following methods on your product: -Contains Transmitter Module FCC
ID: 2A6NFEJ2840 -Contains FCC ID: 2A6NFEJ2840
- a) This device complies with part 15 of the FCC Rules.
EJ2840
04-Jul.2023 Ver.1.0 KAGA FEI Co., Ltd.
User manual
(for EJ2840)
FCC ID: 2A6NF EJ2840 IC: 28568- EJ2840
KAGA FEI Co., Ltd.
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EJ2840
04-Jul.2023 Ver.1.0 KAGA FEI Co., Ltd.
This module should be installed in the host device according to the interface specification.
1) Japan Regulatory Information This module is approved with the specific antenna on this module. Please ensure that your product can also bear a label with the following information. If the product is so small that it is not practicable to place the label, you can also place it in the instruction manual and package. The mark diameter shall be easily legible without using a device such as light microscopes.
005-103131
It is recommended to include the following sentence in the user manual of your product: This product installs a radio system which has been approved as a radio station in a low power data communication system based on the Radio Law. EJ2840 005-103131
2) Canada Regulatory Information a) This device complies with Innovation, Science and Economic Development Canada’s applicable license-exempt RSSs. Operation is subject to the following two conditions: (1) this device may not cause interference, and (2) this device must accept any interference, including interference that may cause undesired operation of the device.
Le présent appareil est conforme aux CNR d’Innovation, Sciences et Développement économique Canada applicables aux appareils radio exempts de licence. L’exploitation est autorisée aux deux conditions suivantes: 1) l’appareil ne doit pas produire de brouillage; 2) l’utilisateur de l’appareil doit accepter tout brouillage radioélectrique subi, même si le brouillage est susceptible d’en compromettre le fonctionnement.
b) This product is certified as type of the portable device with Innovation, Science and Economic Development Canada Rules. To maintain compliance with RF Exposure requirement, please use within specification of this product and have a separation distance of minimum 15 mm between the user and/or bystander and the antenna and /or radiating element. This distance ensures that the output power (e.i.r.p.) of EJ2840 is below the SAR evaluation Exemption limits defined in RSS-102 issue 5.
Ce produit est certifié comme type de l’appareil portable avec Innovation, Sciences et Développement économique Canada Règles. Pour maintenir l’acquiescement avec exigence Exposition de RF, veuillez utiliser dans spécification de ce produit et respecter une distance de séparation d’au moins 15 mm entre l’utilisateur et / ou un tiers et l’antenne et / ou l’élément rayonnant. Cette distance garantit que la puissance de sortie (p.i.r.e.) d EJ2840 est inférieure aux limites d’exemption de l’évaluation SAR définies dans le numéro 5 de la norme RSS-102.
c) Please notify certified ID by either one of the following methods on your product. Specifiez ID certifiée dans votre produit par une de méthode suivante. -Contains Transmitter module IC : 28568-EJ2840 -Contains IC :28568-EJ2840
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d) Please indicate your product name at any location on the exterior of the host product or product packaging or product literature, which shall be available with the host product or online.
e) Please include the following statements in rectangle on the user manual of the host device of this module;
This device complies with Innovation, Science and Economic Development Canada license-exempt RSS standards. Operation is subject to the following two conditions: (1) This device may not cause interference. (2) This device must accept any interference, including interference that may cause
undesired operation of the device.
Le présent appareil est conforme aux CNR Innovation, Sciences et Développement économique Canada applicables auxappareils radio exempts de licence. L’exploitation est autorisée aux deux conditions suivantes :
1) l’appareil ne doit pas produire de brouillage; 2) l’utilisateur de l’appareil doit accepter tout brouillage radioélectrique subi, même si le
brouillage est susceptible d’en compromettre le fonctionnement.
3) FCC Regulatory Information a) This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
b) FCC ID is not indicated on this device since there is no space on it. FCC ID of this device is as below. FCC ID: 2A6NFEJ2840
c) Please notify certified ID by either one of the following methods on your product. -Contains Transmitter Module FCC ID: 2A6NFEJ2840 -Contains FCC ID: 2A6NFEJ2840
d) CAUTION: Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment.
e) This product is product is certified as type of the portable device with FCC Rules. To maintain compliance with RF Exposure requirement, please use within specification of this product.
f) The antenna used for this transmitter must not be co-located or operating in conjunction with any other antenna or transmitter.
g) This module can change the output power depending on the circumstances by the application software which is developed by module installer. Any end user cannot change the output power.
h) This device complies with part 15 of the FCC Rules. -Part 15 Subpart C
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KAGA FEI Co., Ltd.
i) The modular transmitter is only FCC authorized for the specific rule parts (Part 15 Subpart C) listed on the grant, 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. The final host product still requires Part 15 Subpart B compliance testing with the modular transmitter installed.
j) Co-location of this module with other transmitters that operate simultaneously are required to be evaluated using the FCC multi transmitter procedures. When installing this module to your final devices, please make sure to carry out all the necessary evaluations according to the applicable guidelines like follows: -for RF exposure: KDB 447498, KDB 996369 and any other relevant guidelines -for EMC: KDB 996369 D04 and any other relevant guidelines
k) When you install this module to your final devices, please ensure that your final composite product complies with the applicable FCC rules in reference to a guidance in KDB 996369.
l) Antenna List This module is approved along with the following antenna. You cannot use any antennas other than the listed one because it deviates from the accredited conditions.
Manufacturer Part No.
Antenna Type Maximum Antenna Gain
KAGA FEI N/A (Printed on PCB) Dimensions 3.45mm x 4.7mm
Monopole -1.5dBi
m) Please include the following statements in rectangle on the user manual of the host device of this module;
This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may
cause undesired operation.
FCC CAUTION: Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment.
The antenna used for this transmitter must not be co-located or operating in conjunction with any other antenna or transmitter.
This product is certified as type of the portable device with FCC Rules. To maintain compliance with RF Exposure requirement, please use within specification of this product.
4) CE Regulatory Information a) When your end product installs this module, it is required to proceed additional certification processes before placing on the market in EU member states to make your products fully comply with relative EU standards.
b) KAGA FEI can provide you the test reports of conducted measurement portion for the radio module. You can utilize the test reports for the certification processes of your end product as it requires radio testing.
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EJ2840
Control No.
Pin Descriptions
Control name (1/1) Pin Layout
04-Jul.2023 Ver.1.0 KAGA FEI Co., Ltd.
Pin
Pin name
Pin function
Description
1
GND
Ground
Ground pin. (0 V)
2
P0.00 XL1
Digital I/O Analog input
General purpose I/O pin. Connection for 32.768kHz crystal (LFXO).
3
P0.01 XL2
Digital I/O Analog input
General purpose I/O pin Connection for 32.768kHz crystal (LFXO).
4
P0.04 AIN2
Digital I/O Analog input
General purpose I/O pin. Analog input
5
VDD
Power
Power supply pin.
6
DEC4
Power
1V3 regulator supply decoupling.
7
P0.30 AIN6
Digital I/O Analog input
General purpose I/O pin. Analog input
8
P0.28 AIN4
Digital I/O Analog input
General purpose I/O pin. Analog input
9
GND
Ground
Ground pin. (0 V)
10
P0.02 AIN0
Digital I/O Analog input
General purpose I/O pin. Analog input
11
P0.03 AIN1
Digital I/O Analog input
General purpose I/O pin. Analog input
12
GND
Ground
Ground pin. (0 V)
13
OUT_ANT
Antenna In/Out
Internal antenna. It should be connected to Pin 14 OUT_MOD for normal operation.
14
OUT_MOD
RF In/Out
RF I/O pin. It should be connected to Pin 13 OUT_ANT for normal operation.
15
GND
Ground
Ground pin. (0 V)
16
SWDIO
Digital I/O
Serial Wire Debug I/O for debug and programming
17
SWDCLK
Digital input
Serial Wire Debug clock input for debug and programming
18
P0.18 RESET
Digital I/O
General purpose I/O pin
Configurable as system RESET pin. (Factory default : GPIO)
19
P0.08
Digital I/O
General purpose I/O pin.
20
GND
Ground
Ground pin. (0 V)
21
P0.06
Digital I/O
General purpose I/O pin.
22
P0.07
Digital I/O
General purpose I/O pin.
23
P0.05 AIN3
Digital I/O Analog input
General purpose I/O pin. Analog input
24
DCC
Power
DC/DC converter output pin.
25
NFC1 P0.09
NFC input Digital I/O
NFC antenna connection. General purpose I/O pin.
26
NFC2 P0.10
NFC input Digital I/O
NFC antenna connection. General purpose I/O pin.
27
P0.29 AIN5
Digital I/O Analog input
General purpose I/O pin. Analog input
28
GND
Ground
Ground pin. (0 V)
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