FCC ID: 2AXXKRM-0001 WIWISGOUKI

WIWI5GOUKI Operation Manual

Product Name: WIWI5GOUKI Trade name: NICT

Model name: RM-92NCT Manufacturer: RFLink Corp.

Product description

This product provides synchronized signals when used in pair. Units are

synchronized through 920MHz radio signal and outputs 10MHz and 1pps

(pulse per second) signal.

10MHz

1pps

10MHz

1pps

Equipment A

Equipment B

Figure 1 overview of purpose description

Appearance

Connection

Connect the antenna and USB powr (5V) to the Unit

Method of operation

Units have their own ID. Master has a unique ID for Slave to synchronize

timing. After power on, red LED and green LED are flashing. The LED_1 and

the LED_2 are flashing at the same time.

If Master and Slave communication established, LED_2 will flash very fast

and you can see almost always lighting.

1 How to reset

1.1 Slave module reset

1.1.1 Press the “Reset” button on the Slave module.

1.2 Reset Master module

1.2.1 Press “Reset” button on the Master module.

Specification

Parameter

Specification

Channel Frequency

922.6MHz～927.6MHz

( 200kHz step )

Modulation method

Frequency shift Keying(FSK)

Transmission bit rate

200kbps, 300kbps

Output power

(impedance)

20 mW

(50 Ω)

Antenna

Monopole

Supply Power

5V

(Max gain 3dBi)

*About UART-USB connection

The UART-USB connection is only used for troubleshooting and user does not

need to use the connection.

FCC CAUTION

Note: This equipment has been tested and found to comply with the limits

for a Class A digital device, pursuant to part 15 of the FCC Rules. These

limits are designed to provide reasonable protection against harmful

interference when the equipment is operated in a commercial environment.

This equipment generates, uses, and can radiate radio frequency energy

and, if not installed and used in accordance with the instruction manual,

may cause harmful interference to radio communications. Operation of this

equipment in a residential area is likely to cause harmful interference in

which case the user will be required to correct the interference at his own

expense.

This equipment complies with FCC radiation exposure limits set forth for an

uncontrolled environment and meets the FCC radio frequency (RF) Exposure

Guidelines. This equipment has very low levels of RF energy that is deemed

to comply without maximum permissive exposure evaluation (MPE). This

equipment should be installed and operated with minimum distance 20cm

between the radiator & your body.

(EOD)

Model: RM-92NCT FCC ID: 2AXXKRM-001 Label information 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. Label

RELINK Co p. n n nil _R Date:

Date:

2020-12-10 2020-12-10 Ebisu Garden Place Tower 18" floor, 4-20-3 Ebisu, Shibuya-ku, Tokyo, Japan TEL: +81357895169 FAX: +81422486744 FCC ID: 2AXXKRM-0001 To the attention of Federal Communications Commission Authorization and Evaluation Division er a ent Co fide taity equest Pursuant to Sections 0.457 and 0.459 of the Commissions Rules, the Applicant hereby requests confidential treatment of information accompanying this Application as outlined below:

Schematics Block Diagram Operational Description The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these matters might be harmful to the Applicant and provide unjustified benefits to its competitors. The Applicant understands that pursuant to Rule 0.457, disclosure of this Application and all accompanying documentation will not be made before the date of the Grant for this application. Sincerely yours, OY Bt Kiyoshi Tanaka, Founder Technical Advisor RFLINK Corp. Tel: +81-3-5789-5169 E-mail: tanaka@rflink.co.jp Ebisu Garden Place Tower 18" floor, 4-20-3 Ebisu, Shibuya-ku, Tokyo, Japan TEL: +81357895169 FAX: +81422486744 FCC ID: 2AXXKRM-0001 To the attention of Federal Communications Commission Authorization and Evaluation Division er a entCo fide taity equest Pursuant to Sections 0.457 and 0.459 of the Commissions Rules, the Applicant hereby requests confidential treatment of information accompanying this Application as outlined below:

Schematics Block Diagram Operational Description The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these matters might be harmful to the Applicant and provide unjustified benefits to its competitors. The Applicant understands that pursuant to Rule 0.457, disclosure of this Application and all accompanying documentation will not be made before the date of the Grant for this application. Sincerely yours, he oe Kiyoshi Tanaka, Founder Technical Advisor RFLINK Corp. Tel: +81-3-5789-5169 E-mail: tanaka@rflink.co.jp

RFLINK Corp nfi_n_lityR 2020-12-22 Ebisu Garden Place Tower 18" floor, 4-20-3 Ebisu, Shibuya-ku, Tokyo, Japa TEL: +81357895169 FAX: +81422486744 FCC ID: 2AXXKRM-0001 To the attention of Federal Communications Commission Authorization and Evaluation Division Co de tia External photos Test Setup photos Users manual Internal Photos Sincerely yours, Kiyoshi Tanaka, Founder Technical Advisor RFLINK Corp. Tel: +81-3-5789-5169 E-mail: tanaka@rflink.co.jp Pursuant to Sections 0.457 and 0.459 of the commissions rules, we request short-term confidential treatment for the following information until 180 in order to ensure sensitive business information remains confidential until the actual marketing of the device after the Grant Date of Equipment Authorization