Ai-Thinker TB-03F is a compact Bluetooth 5.0 Mesh module designed for smart lighting, smart home, and low-power IoT applications. Based on the official TB series, this Ai-Thinker TB-03F supports direct Tmall Genie Mesh control, low-latency wireless communication, and practical embedded integration for connected lighting and home appliance projects. The TB-03F BLE module is built for products that need Bluetooth Mesh networking, compact size, low power consumption, and flexible dimming control. For developers building smart lamps, lighting controllers, BLE nodes, and wireless home automation devices, the Ai-Thinker TB-03F provides a practical combination of on-board antenna, 6 PWM outputs, and secondary development support. Features Bluetooth 5.0 Mesh module designed for smart lighting and smart home devices Supports direct control through Tmall Genie Mesh without requiring a gateway according to the official specification SMD-22 compact package for embedded BLE product design 6 PWM outputs for lighting control and brightness adjustment applications On-board antenna design with no extra antenna design required Brightness duty cycle adjustment range from 5% to 100% 1KHz PWM output frequency for lighting and dimming control Supports multiple sleep modes with deep sleep current as low as 0.4uA Supports wall-switch based color temperature switching Supports secondary development for customized Bluetooth and IoT applications Specifications Parameter Details Brand Ai-Thinker Model TB-03F Chip TLSR8250F512ES16 Wireless Standard Bluetooth 5.0 Package SMD-22 Dimensions 24 x 16 x 3 mm (+/-0.2 mm) Frequency Range 2400 to 2483.5MHz Transmit Power Maximum 10dBm Receive Sensitivity -93dBm +/-2 Interface GPIO, PWM, SPI, ADC, I2S Power Supply 2.7V to 3.6V, current no less than 50mA Operating Temperature -40C to 85C Storage Environment -40C to 125C, less than 90%RH Power Consumption Deep sleep 0.4uA, standby 2.51mA, TX at 10dBm 20.54mA Transmission Distance 80m to 150m in open line-of-sight conditions Applications Smart lighting products including dimming lamps, tunable white lamps, and color temperature control devices Bluetooth Mesh nodes for smart home networking and wireless lighting control Low-power IoT devices that need reliable short-range BLE communication Embedded Bluetooth 5.0 modules for home appliances, wireless switches, and lighting control terminals Custom engineering projects that need compact module size, PWM outputs, and secondary development Other Content Ai-Thinker TB-03F belongs to the official TB Bluetooth module series, which is aimed at smart lights, sockets, air conditioners, and other connected home devices. Official materials highlight its suitability for Bluetooth Mesh networking, low latency communication, and practical integration into smart home and IoT products. For development work, the TB-03F also supports secondary development. The official specification provides hardware design guidance, PCB package references, application circuit information, and SDK direction, which makes this Ai-Thinker BLE module useful for both product development and prototype evaluation. Resources Ai-Thinker TB series official topic page TB-03F specification TB-03F PCB footprint package TB series BLE AT firmware V2.0.5 TB-03F SRRC certificate TB-03F reliability report Telink 825X SDK FAQ Does the TB-03F support Bluetooth Mesh? Yes. According to the official documentation, the Ai-Thinker TB-03F supports Bluetooth Mesh and is designed for smart lighting and smart home networking scenarios. Is the TB-03F suitable for smart lighting products? Yes. The official specification positions the TB-03F for intelligent lighting control, with features such as 6 PWM outputs, 1KHz PWM frequency, and color temperature switching support. Does this module support secondary development? Yes. Official materials state that the Ai-Thinker TB-03F supports secondary development, and related SDK resources are available for development work. What antenna does the TB-03F use? The TB-03F BLE module uses an on-board antenna, which helps simplify wireless product design and integration.
