HY254104 V8

Bluetooth 4.0 BLE module HY254104 V8
Product Introduction

Product model: HY-254104 V8
Modulation mode: GFSK
Wireless standard: Bluetooth 4.0 BLE protocol
Role type (master-slave): master/slave
Antenna type: soft antenna
Size: 14.1*9.2*2.04mm
Communication interface: UART
Safety certification: BQB/FCC/CE certification
Transmission distance: 35 meters (the actual distance is subject to the test environment)
Working voltage: 2.0-3.6V DC
Working mode: Host mode / Slave mode / Broadcast mode (Beacon)
Customer support center

Product Features
Product parameters

Bluetooth Features:


Modulation mode: GFSK
Bluetooth version: Bluetooth 4.0 BLE protocol
Frequency range: 2400-2483.5MHZ (2.4G ISM band)
Transmit power: -23-0dBm (user can be programmed by software)
Receive sensitivity: -94dBm (using CC2541 high gain receiving sensitivity, can be programmed by software)
Antenna option: soft antenna
Transmission rate: 1K/S (no encryption)
Transmission distance: 35 meters (the actual distance is subject to the test environment)

GAP, GATT, L2CAP, SMP Bluetooth low energy profiles 

Compliance: BQB BLE4.0, FCC, IC(Canada), CE ETSI RED…etc. worldwide RF Regulations.


Hardware parameter:


Data interface: UART
Chip: CC2541
Audio interface: none
Working voltage: 2.0-3.6VDC
Ripple voltage: ripple voltage: 100mVp-p (max)
Working current: see data sheet for details:

                Receive mode instantaneous maximum current (high gain setting): 20.2mA typ
                Transient mode instantaneous maximum current (value when setting 0dBm O/P): 18.2 mA ytp

                  Low MCU activity cutrrent(32MHz X-tal OSC running only):6.7mA type

                Power mode 1 consumption current:(MCU standby modewake up time=4uS):I =270uA typ

                Power mode 2 consumption current:(Sleep mode timer activewake up time by programming):I=1uA typ

                Power mode 3 consumption current:(Power down deep sleep modewake up by hardware active):I=0.5uA typ

                The average working current of this module is less than 500uAStandby current less than 100uAsleep current less than 1uA

Working temperature: -30 ° C - + 80 ° C
Storage temperature: -40 ° C - + 100 ° C
Compliance with certification: BQB/FCC/CE/RoHS
Size: 14.1*9.2*2.04mm


Software parameter :


Role type: host / slave
Working mode: Host mode / Slave mode / Broadcast mode (Beacon)
Mode configuration: data transmission mode / command mode
Command structure: AT command (see data sheet for details)
Secondary development: support customer secondary development, provide SDK tools
Functional application customization: support customer customization


HY-254104 V8 low-power Bluetooth module (single mode) can work in the master/slave/master-slave switching role, both support bridge mode (transparent mode) and direct drive mode. Under normal circumstances, the UART external MCU can be used. , transparent transmission of data;

HY-254104 V8 ultra-small size, support for secondary development, can be embedded in the complete application, Shengrun Technology provide the corresponding development kit.


Order Method
Data download
title version release date download
Application Cases

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