Bluetooth® Low Energy + 802.15.4 (Thread / Matter / Zigbee)
When prototyping wireless sensor applications, engineers often need to move efficiently from concept to evaluation. The CMP53x Sensor Development Board is designed to support rapid evaluation of wireless sensor applications based on Bluetooth® Low Energy and 802.15.4 technologies, helping development teams assess system behavior and performance before committing to full-scale designs.
A Compact Development Platform for Wireless Evaluation
The CMP53x Sensor Development Board is built around the CMP53x module, based on NXP’s K32W061 SoC. The board supports both Bluetooth® Low Energy and 802.15.4–based protocols, including Thread, Matter, and Zigbee, and is intended for evaluation and prototyping use.
An onboard Sensirion temperature and relative humidity sensor is included, allowing developers to begin testing immediately. A GPIO header interface is also provided to support the connection of additional external sensors during development and test activities.
The board can be powered via USB or coin-cell battery, enabling evaluation of both powered and battery-operated use cases.
Supported Operating Modes
The CMP53x Sensor Development Board supports multiple operating modes:
- Hosted mode, using the BLE Serial Interface Protocol
- Hostless mode, using an onboard RTOS or bare metal operation
These modes allow developers to evaluate system architectures either with or without an external host processor, depending on application requirements.
RF Capabilities and Configuration Options
The CMP53x is available in two variants: the CMP530 with +10 dBm output power and the CMP535 with +20 dBm output power. Both variants provide the option of a high-performance onboard antenna or a direct RF pin connection. These options enable evaluation of different RF configurations during prototyping and development.
Documented Field Test Performance
CEL conducted outdoor line-of-sight (LOS) and indoor non-line-of-sight (NLOS) field testing to characterize wireless performance under defined test conditions.
- Testing was performed:
- On three channels (Ch 0, Ch 18, Ch 30)
- At 1 Mbps and 2 Mbps
- With approximately 25,000 packets transmitted per test
- Testing was performed using the CMP535-1 at +20 dBm.
Field Test Results
- Outdoor LOS testing at 2,984 ft
- 71% packet reception at 1 Mbps
- 34% packet reception at 2 Mbps
- Indoor NLOS testing at 175 ftt
- 100% packet reception at 1 Mbps
- 100% packet reception at 2 Mbps
These results reflect the specific test conditions described above and are provided for evaluation purposes.
CEL also performed NLOS Beacon and RSSI testing in a heavy commercial environment to demonstrate long range Bluetooth performance. Contact CEL for full details.
Development Resources and Example Applications
Example application code and design documentation are available through the CEL software repository to support development and evaluation activities. Available resources include:
- Temperature and humidity sensor integration examples
- BLE demo applications:
- Low-Power Temperature Sensor & Collector
- Wireless UART demo
- Proximity Reporter
- Beacon Application
- Zigbee and Thread examples
- Out-of-band (OOB) pairing using NTAG
- Zigbee and Bluetooth® power-consumption optimization guides
- Serial communication interface documentation
- Coin-cell reference design
Access to the CEL software repository is available by contacting Support@cel.com.
Supporting a Range of Evaluation Use Cases
The CMP535 Sensor Development Board supports evaluation of wireless sensor applications in indoor and outdoor environments, depending on system configuration, selected protocol stack, and deployment conditions. Example use cases include smart home devices, industrial sensing, and system-level data-center applications.
Getting Started
To learn more, visit the CMP53x product page for complete specifications and ordering information, review available field test performance details, or contact CEL directly.
Contact: Website: www.cel.com