We are a manufacturer of electronic components, electronic modules for a large number of products.We are the factory!With more than 10 years of PCB development experience, the product quality is good, the price is excellent.A large number of wholesale sales of global buyers, welcome to purchase.
Support networks: China Mobile, China Unicom and Global Quad Band Network
Module size: 2.5cm x 2.3cm
TTL serial port for serial port, you can connect directly to the microcontroller. No need for MAX232
Power module start automatically, Start network
Signal lights on board all the way. Flashes slowly when there is a signal,
Blinks quickly when there is no signal
Graphite crucible mini furnace gold torch metal melting: