EC800M core board, equipped with Quectel EC800M series modules Note: EC800K single-row core board QTME0154DP switch to EC80OKCNLC module from June 18, 2024, which has more HTTP/ and base station positioning functions than the previous version, and can replace the previous EC80OMCNLF single-row core board QTME0075DP. The EC800X series core board supports module models: EC800M-CN, EC800E-CN, EC800K-CN, etc. If you have used V1.2 version hardware before, please confirm whether the enable pin is affected. If the enable pin was previously suspended and not used, it can be replaced directly; if the enable pin is used, please change the code logic and replace it. Subsequent mass production versions are all V1.4 versions, and this logic no longer be changed. Product features: voltage drop prevention, wide voltage range, reverse voltage protection, USB debugging, level conversion-free, secondary development Signal reception is taken to level. 's socket has good signal reception and is . Large capacitor voltage stabilization, and more . USBD5V input, pin 5V-16V input, T wide voltage range DCDC chip, more to use. Large capacitor voltage stabilization, voltage drop, restart without reason, frequent disconnection and other unstable situations. Standard 2.54mm pin header has strong applicability. Suitable for replacing pin-type designs, strong compatibility for secondary development, multiple pin positions, and easy to handle. Precautions: 1. To the stable operation of the core board, please the power supply capacity. 2. The matching 4G FPC antenna is for testing only. The actual scene may not meet the requirements, please come according to the requirements of the antenna factory. Color: As Shown Material: PCB Package Contents: 1 * Development Board Module Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.