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MK71251-01

Low power consumption*
Compact size*

MK71251-02

Low power consumption*
Compact size*

Built-in system on chip

The compact size and
a built-in antenna.
8.0mm(W) x 11.0mm(L) x 2.0mm(H)

Low power consumption!
TX,RX : Typ. 6.7mA/6.2mA
Sleep : Typ. 3.15μA

Applications



Overview

Wireless certification acquired for various countries, Adjusted circuit with built-in pattern antenna.
Ready to use. You can start an application software development of Bluetooth®Low Energy v4.1 immediately.

Radio
Law certified

The module is certified to comply with all applicable radio laws and regulations in Japan, USA,CANADA and Europe.

Radio frequency design
not required

All Radio frequency designs are unnecessary for customers, because an optimized antenna design has been implemented.

Optimized wireless
characteristics

The EEPROM, crystal oscillator, and antenna matching circuit required for configuring a wireless communication module are included as well. And all required performance optimizations are performed at LAPIS Semiconductor’s facility.

Feature of MK71251-01/02

Bluetooth® SIG Core Specification v4.1
Low power consumption 6.7mA (Typ.),
Compact size,
Unnecessary an external MCU(MK71251-02)

The MK71251-01/02 integrates a Bluetooth® low energy LSI "ML7125-001/002" ,an EEPROM for program storage, crystal oscillator for the system clock, and a pattern antenna into a single compact module.
Wireless communication products are subject to the regulatory usage conditions of the laws of each country and/or region. MK71251-01/02 are certified to comply with all applicable radio laws and regulations in Japan, North America, Canada and Europe. And ready to use small communication module that supports Bluetooth® low energy.

Bluetooth®SIG Core Spec v4.1 certification has been acquired.

  • Wireless certification acquired for various countries.

    • MIC JAPAN:(certification no: 006-000373[MK71251-01] / 006-000384[MK71251-02])
    • FCC (FCC ID: 2ACIJ71251)
    • IC (IC: 20971-K71251)
    • CE/R&TTE

Low power consumption

  • 3.15μA(Sleep:MK71251-01/MK72151-02)
  • Typ. 6.7mA  (Transmit)
  • Typ. 6.2mA  (Receive)

Built-in EEPROM for User data area

Built-in UART for Bluetooth® Host Controller Interface

Built-in SPI_SLAVE for Custom Host Controller Interface

MK71251-01

Support an intermittent transmission

reception and Low Power Clock (32.768kHz)

Built-in regulator

SiP(System in Package)

8.0mm(W) × 11.0mm(L) × 2.0mm(H)

Evaluation kits

A free smartphone application is offered that makes it possible to verify and evaluate communication with Bluetooth low energy devices using a smartphone.

USB type evaluation kits

Application for smartphone

Available online from one piece! Purchase here.

"BLE Tool"

A free smartphone application
"BLE Tool" is for AT command application.
It is possible to confirm the communication between smartphone and Bluetooth device.

A free smartphone application "BLE Tool" is for AT command application.
It is possible to confirm the communication between smartphone and Bluetooth device.
Free for download "BLE Tool" from Google Play or Apple Store.

"Beacon Tool"

A free smartphone application
"Beacon Tool" is for iBeacon application.
It is possible to confirm the communication between smartphone and Bluetooth device.
Free for download "Beacon Tool" from Google Play or Apple Store.

Specification

Item Specification
Part No. MK71251-01/MK71251-02
Supply voltage (V) 2.0 to 3.6
Operating temperature(°C) -20 to +75
Host CPU interface Synchronous serial or UART
Support standard Bluetooth® SIG Core Specification v4.1
Dimension 8.0mm(W) × 11.0mm(L) × 2.0mm(H)
Package 33pin LGA
Frequency band 2.4GHz ISM Band
Transmission output 0/-6/-12/-18dBm
Reception sensitivity -85dBm
Remark

Japan : Ready to certify radio law
USA : Ready to certify FCC
EU : Ready to certify CE
Canada : Ready to certify IC

MK71251-01/02 Bluetooth® When you use MK71251-01/02 wireless module for mass production,it is necessary to confirm and agree about the conditions of use,please contact the following contact.
 If you purchased from the net sales company: ROHM Co.,Ltd. Customer Support Department :     In the case of other than the above:ROHM Co.,Ltd. Sales representative •