Specifications and appearance are subject to change without notice for improvement
KORG INC.
4015-2 Yanokuchi, Inagi-city, Tokyo 206-0812, Japan
1 Introduction
The WR RF module is a 2.4GHz transceiver.
WR RF module operates in 2.400-2.4835GHz ISM frequency band.
To design a radio system with the WR RF module, you simply need an MCU (microcontroller)
and a few external passive components.
You can operate and configure the WR RF module through a Serial Peripheral Interface (SPI).
1.1 Features
Features of the nRF24L01+ include:
• Radio
Worldwide 2.4GHz ISM band operation
Common RX and TX interface
GFSK modulation
2Mbps air data rate
• Power Management
Integrated voltage regulator
1.9 to 3.6V supply range
1.2 Product specification
This module carries RF device nRF24L01P made in NORDIC company.
Please refer to a nRF24L01P data sheet submitted by NORDIC company ab out the details of the
RF device.
The main specifications of this RF module are shown as follows.
FunctionItemMain specifications
Use devicenRF24L01P made in NORDIC company
Frequency band2405MHz~2480MHz
Antenna electricityMax. 0dBm
General specifications
Oscillation
Power supply voltage+1.9V~+3.6V(Normal +3.0V)
External form dimensions 20.5±0.3 x 18.5±0.3 X 4.2±0.3 [mm]
Weight1.3g
Operating temperature0℃~40℃
Transmitting powerMax. 0dBm
RF transmission part
Frequency deviation50ppm or less
Modulation methodGFSK
RF reception partFrequency deviation50ppm or less
Built-inPattern antenna
Antenna
FormMonopole λ/4
DirectivityNo directivity
User outside interfaceSerial communicationSPI-IF
Crystal oscillation 16MHz are built in it
(A PLL frequency synthesizer method)
a
2 Module specifications
2.1 Partial explanation
Each part of this module is explained.
Proof seal 2.4 GHz monopole antenna User interface connector
Shield cover
PartExplanation
2.4 GHz monopole antenn
Proof seal
User interf ace c onnect or
Attention:
Please do not put the label etc. on the antenna.
When the seal and the label are put on the antenna, the characteristic of the antenna
might be ruined.
It is a built-in antenna of the RF module.
The antenna is made by the copper foil pattern of PCB.
It is the certification label of this module.
It is an interface connector to use in a user.
Please refer to interface specifications for the details.
Strict observance: The power supply connection must not make a mistake.
The protection circuit in the power supply part is not installed in this module.
There is fear of damage, and note the polarity and the voltage of the power
supply enough, please.
Please do not touch the terminal of this module directly by the hand.
The inside might be destroyed by static electricity.
3 Electrical specifications
Conditions: VDD = +3V, VSS = 0V, TA = - 40ºC to + 85ºC
3.1 Absolute maximum ratings
Note: Exceeding one or more of the limiting values may cause permanent damage to WR RF
module.
Operating conditionsMinimumMaximumUnits
Supply voltages
VDD-0.33.6 V
VSS0 V
Input voltage
VI-0.35.25 V
Output voltage
VOVSS to VDD VSS to VDD
Total Power Dissipation
PD (TA=85°C) 60 mW
Temperatures
Operating Temperature040 ℃
3.2 DC characteristics
Symbol Parameter (condition)Notes Min.Typ. Max.Units
Operating conditions
VDDSupply voltage1.93.03.6 V
VDDSupply voltage if input signals >3.6V2.73.03.3 V
Digital input pin
VIH HIGH level input voltage a0.7VDD5.25 V
VILLOW level input voltageVSS0.3VDD V
Digital output pin
VOHHIGH level output voltage (IOH=-0.25mA)VDD -0.3VDD V
VOLLOW level output voltage (IOL=0.25mA)0.3 V
Power on reset
TPUPPower ramp up timeb100 ms
TPORPower on resetc1100 ms
a. If the input signal >3.6V, the VDD of the nRF24L01+ must be between 2.7V and 3.3V (3.0V±10%)
b. From 0V to 1.9V.
c. Measured from when the VDD reaches 1.9V to when the reset finishes.
3.3 Power consumption
SymbolParameter (condition)Min. Typ.Max. Units
Idle modes
IVDD_PDSupply current in power down mode900nA
IVDD_SUAverage current during 1.5ms crystal oscillator startup400uA
Transmit
IVDD_TX0Supply current @ 0dBm output power11.3mA
IVDD_TX6Supply current @ -6dBm output power9.0mA
IVDD_TX12 Supply current @ -12dBm output power7.5mA
IVDD_TX18 Supply current @ -18dBm output power7.0mA
Receive
IVDD_2MSupply current 2Mbps13.5mA
4 Appendix
4.1 Dimensional outline drawing
18.5mm
±0.3mm
20.5mm±0.3mm
Attention: Please do not make the pattern under the antenna of this module.
(Might it influence the antenna part if the pattern is made, and the communication
distance performance be ruined.)
4.2 For technical standard certification of conformity
Please paste the proof seal to include "IC: 8689A-WRRF” "FCC ID: KIJ-WRRF "" on the module
shield cover.
Label for end product must include “Contains FCC ID: KIJ-WRRF” “Contains IC: 8689A-WRRF”.
CHANGED OR MODIFICATIONS NOT EXPRESSLY APPROVED BY THE MANUFACTURER
FOR COMPLIANCE COULD VOID THE USER'S AUTHORITY TO OPERATE THE
EQUIPMENT
This equipment has been tested and found to comply with the limits for a Class B digital device,
pursuant to part 15 of the FCC rules. These limits are designed to provide reasonable protection
against harmful interference in a residential installation. This equipment generates, u ses and can
radiate radio frequency energy and, if not installed and used in accordance with the instructions,
may cause harmful interference to radio communications. However, there is no guarantee that
interference will not occur in a particular installation. If this equipment does cause harmful
interference to radio or television reception, which can be determined by turning the equipment
off and on, the user is encouraged to try to correct the interference by one or more of the
following measures:
-Reorient or relocate the receiving antenna.
-Increase the separation between the equipment and receiver.
-Connect the equipment into an outlet on a circuit different from that to which the receiver is
connected.
-Consult the dealer or an experienced radio/TV technician for help.
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
Complies with Canadian ICES-003 Class B.
Conforme au Reglement Canadian NMB-003 classe B.
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 this device.
L ‘ utilisation de ce dispositif est autorisée seulement aux conditions suivantes:
(1) il ne doit pas produire de brouillage et
(2) l’ utilisateur du dispositif doit étre prêt à accepter tout brouillage radioélectrique reçu, meme si
ce brouillage est susceptible de compromettre le fonctionnement du dispositif.
The installer of this radio equipment must ensure that the antenna is located or pointed such that
it does not emit RF field in excess of Health Canada limits for the general population; consult
Safety Code 6, obtainable from Health Canada’s website www.hc-sc.gc.ca/rpb
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