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em | bleu (EM9305)
em | bleu is a versatile single chip Bluetooth Low Energy solution for the smallest and lowest power consumption connected devices. In a market with billions of Bluetooth devices sold every year, em | bleu stands out for:
- As small as a pen tip, EM9305 is the smallest Bluetooth LE chip that will fit anywhere.
- True Ultra Low Power performance for sustainable lightweight applications, always ready-to-use.
- Robust RF performance for transferring large amounts of data in noisy environments, and over long distances;
- Cost-effective implementations with a small bill of materials (BOM).
EM9304
Optimized Bluetooth® 5.0 Low Energy Companion or SoC (not recommended for new design. For new design, please visite EM9305 (link to the EM9305 page).
The EM9304 is a compact, low-power Bluetooth® 5.0 IC offering versatile use as a companion IC or SoC. It supports up to 8 connections, advanced algorithms, and efficient power management, with a minimal PCB footprint, robust connectivity, and extensive developer support.
EMBQ
Dual-mode beacon combining Bluetooth LE
and RAIN RFID, with optional motion and temperature sensing, for rugged
supply-chain visibility.
WHAT IS IT ?
EMBQ24 is a rugged, fully encapsulated dual-interface beacon that pairs Bluetooth Low Energy with EPCTM Gen2 / ISO/IEC 18000-63 RAIN RFID. It enables track-and-trace and supply-chain visibility across sites that already have RFID infrastructure, while also supporting Bluetooth-based mobile and gateway workflows.
Over-the-air configuration is available via Bluetooth or RFID memory, and the device supports common beacon formats such as iBeacon and Eddystone. Optional embedded sensors (accelerometer and temperature) enable motion-triggered advertising and cold-chain monitoring. With an IP67-rated polymer enclosure, a CR2032 battery, and a guaranteed unique ID with a scannable 2D code, EMBQ is built for reliable deployment in harsh environments.
Key Features
Bluetooth LE + RAIN RFID, IP67 rugged encapsulation, Motion + temperature sensing, OTA configurable (BLE/RFID)
Key Benefits
Benefit 1: Upgrade RFID sites to BLE
Explanation and features: Use RAIN RFID to activate and configure the beacon, then advertise over Bluetooth LE - ideal for extending existing RFID deployments without ripping out infrastructure.
Benefit 2: One UID across two worlds
Explanation and features: A guaranteed unique identifier is available for both RFID and BLE workflows, simplifying item identity across warehouses, transport, and last-mile customer interactions.
Benefit 3: Rugged, harsh-environment ready
Explanation and features: Fully encapsulated polymer design with IP67 protection (up to IP69K option) supports reliable operation around dust, moisture, and cleaning processes across -30°C to +70°C environments.
Benefit 4: Lower maintenance, longer runtime
Explanation and features: Up to 5 years battery life (CR2032) and ultra-low-power motion sensing can keep assets visible while minimizing service visits and battery swaps.
Features
- Dual-interface: Bluetooth Low Energy and RAIN RFID
- Bluetooth LE v5.0 (family supports v5.4)
- RAIN RFID: EPC Gen2 / ISO/IEC 18000-63 compliant
- RFID-to-BLE data sharing / activation (RFID -> BLE)
- Compatible with iBeacon and Eddystone formats
- Over-the-air configuration via Bluetooth or RAIN RFID
- Configurable UID (UUID, Major/Minor), URL, and telemetry
- Supports multiple interleaved advertising packet types
- Configurable advertising interval, duration, and TX power
- Custom BLE advertising payload includes UID, counter, sensor data, and battery voltage indicator
- Integrated accelerometer for motion/gesture-triggered beaconing (±2g, ±4g, ±8g; 12.5-400 Hz)
- Integrated temperature sensor: -40°C to +60°C; typical accuracy ±1.0°C (±0.6°C in typical cold-chain range)
- Operating temperature range: -30°C to +70°C
- Encapsulated in polymer resin for protection against dust and liquids
- Ingress protection: IP67 compliant (up to IP69K option)
- Battery: CR2032; up to 5 years battery life (calculator available)
- Bluetooth range: up to 100 m line-of-sight (LOS) (up to 200 m per series key parameters)
- RAIN RFID range: minimum 4 m open space with -80 dBm reader sensitivity
- Guaranteed unique ID and printed 2D unique serial number (QR code)
- Manufactured with Swiss quality; leverages EM9304 BLE SoC and EM4325 RAIN RFID IC
- Regulatory & compliance: FCC and CE certified; RoHS, REACH, Halogen Free compliant
- Optional tamper loop for security systems
Applications
- Supply chain visibility across mixed RFID/BLE sites
- Track-and-trace for assets and returnable transport items (RTIs)
- Smart logistics and asset tracking
- Smart warehouse inventory and location monitoring
- Smart transport and fleet/cargo monitoring
- Cold-chain monitoring for food/pharma (temperature telemetry)
- Aviation and avionic logistics / ground support equipment tracking
- RFID-based commissioning, activation, and configuration of beacons
- Bridging industrial RFID infrastructure to smartphone/customer-facing BLE workflows
- Tamper monitoring for secured containers or high-value assets
EMBP
A family of rugged IP67 BLE beacon with multi-year life and optional motion sensing. Reliable performance for industrial and logistics tracking projects.
EMBC
Two LEDs, soft-cap push button, replaceable 2032 battery, optional sensing and QR-code serial number: perfect for easy, reliable provisioning and tracking all kinds of assets, incl. cold chain.
EM4378
The best 3D LF/UHF communication module redefining key fob innovation: multi-protocol, multi-frequency, secure communication and a high-speed CPU for ultimate performance and easy integration.
EM4582
High-security AES-enabled transponder for automotive and industrial applications.
EM3028
Our revolutionary ultra-low-power precision Real-Time-Clock in an 14pin TSSOP package. Battery backup and user EEPROM. No excuses for time loss.
EM8504
Power Management Controller for Dye-Sensitized (DSSC) single solar cell harvesting.
EM8506
Power Management Controller with compact size and ultra-low consumption.
