Product Description:
DL2109B is designed as a Bluetooth module based on NXP9021.It has ultra-small size.The module works as an IOT node and has been widely used in IOT appliances.

Applications:
Handheld Devices
Personal Medical
Internet of Things
Wireless Sensor & Industrial Control 
Light Control
 
Features: 
Support Bluetooth v4.0 Low Energy (BLE 4.0) Wireless Standards.
Support slave and master mode operation.
Super Low Energy Mode: 13.6mA Rx current at 3V, 13.3mA Tx current @0dBm at 3V.
Support multiple network protocols.
Support Smart Configure for Network.
Support Program's Remote Upgrading.
Optional Antenna: Internal or External.
Support UART,PWM,GPIO,AD and other interfaces.
Micro Sizes: 12mm x 20mm x 3.5mm, SMT.
Power Supply: Battery or 3.3V single supply. F
CC Certification.
Comply with RoHS Standard.
Access cloud platform for free.

Datasheet;
About us:
Hangzhou Delan Technology Co.,Ltd. is located in Hangzhou which is specialized in WiFi module, Bluetooth module, IOT APP & cloud server. Delan established in 2010, and has more than 100 R&D employees, annual sales is more than 26 million USD.

Our module are complied with CE & FCC, and has complete independent intellectual property rights. Main products including: WiFi module, Bluetooth module, RF module, IOT APP & cloud server solution.