500Pcs 1/2W 0.5W 5% Carbon Film Resistors & 1 pcs SIM7020C Development Board (1) Super coverage: Compared with GPRS, it increases the signal gain by 20db. (2) Ultra-low power consumption: The target for terminal power consumption is: based on AA (5000mAh) batteries, the service life can exceed 10 years. (3) Large connections: One sector can support tens of thousands of connections, supporting low latency sensitivity, ultra-low equipment costs, low equipment power consumption and optimized network architecture. (4) Ultra-low cost: NB-IoT does not need to rebuild the network, and the radio frequency and antenna are basically multiplexed. Resistors: Durable and easy to install Very convenient and practical High precision and stability Very popular among the electronic lovers Many type of metal film resistors assorted,can meet your different demand. Specification: Power:1/2W Capacitor Range: 1.2Ohm~1MOhm Capacitor Tolerance: +/-5%. Size of Capacitor:L * W/8 x 2mm/0.31 x 0.07inch Value:50 Color: yellow Material: carbon film Development board: Power supply: 5V 1A Current consumption: 20ma Low power consumption: PSM mode, typical value: 5UA Frequency band: LTE-FDD: B1, B3, B5, B8 Default baud rate: 115200 Network protocol: TCP/UDP/HTTP/COAP/MQTT/ONENET/Telecom Cloud colour:blue material:ABS size:31.6x28.5mm Package Contents: 500 x Resistors 1 x Development board