ACE-N-6561 CC2640 Master-Slave Wireless 5.0 Serial Port Communication Transparent Transmission HM-18 CC2640R2F Module
Specifications:
- Application: phone or computer
- Working temperature: –40 ~ +105 Centigrade
- Size: HM-18 27 * 13 * 2 MM
- Power: +1.9~3.7 VDC 50MA