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easy to use Bluetooth 4.2 module


The EH-MB18 is an easy to use Bluetooth module, compliant with Bluetooth v4.0. The module provides complete RF platform in a small form factor.

The module enables electronic devices with wireless connectivity, not requiring any RF experience or expertise for integration into the final product. The module being a certified solution optimizes the time to market of the final application.

The module built-in enhanced Kalimba DSP coprocessor with 80MIPS, supports enhanced audio and DSP Applications (t Apt-X, AAC, Apt-XLL, SBC codec).Support GATT,A2DP, AVRCP, HSP, HFP,SPP, iAP and PBAP Profiles communication with smart ready devices. 

The module BLE profile communication with smart phones (iOS and Android), must be

 install the APP. EHong iOS system APP download address:

The module has 14 x general purpose IOs, 2x Analogue inputs/outputs (temperature sensor, charger control, etc), 3xs capacitive touch sensors, three fully configurable LED drivers (PWM).The module  optional support for 64Mb of external SPI flash 16Mb internal flash memory (64-bit wide, 45ns),support  Li-Ion battery charger with Instant-ON.

Key Features

Radio Feature:

Audio Features:

Hardware Features:
  • Bluetooth 3.0+Bluetooth 4.0 
  • RF TX power: +8 dBm
  • Receiver sensitivity: -90dBm
  • RF input impedance: 50ohms
  • Max working current: 30mA
  • Discoverable/connectable: 0.05mA with deep sleep
  • Integrated DSP
  • 64-bit stereo codec
  • Analog,I2S,PCM and Microphone
  • Optional aptx@ and ACC stereo audio codecs
  • Optional CVC@ echo cancellation
  • Wide band speech
  • UART host inferface
  • Li-lon and Li-Poly battery charger
  • 10 software programmable IO pins
  • Temperature range: -40℃ to +85℃
  • Dimensions: 30.4*15.26*2.4 mm
  • Power supply: 3.0 3.6V
Software Features: Qualification:  
  • Ehware's Bluetooth stack
  • SPP and Apple iAP
  • ASCII commands over UART
  • BQB
  • FCC\CE
  • RoHs

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