<div class="detailmodule_text"><p class="detail-desc-decorate-content" style="text-overflow: ellipsis;font-family: 'OpenSans';color:'#000';word-wrap: break-word;white-space: pre-wrap;font-weight: 300;font-size: 14px;line-height: 20px;color: #000;margin-bottom: 12px;">(1) Super coverage: Compared with GPRS, it increases the signal gain by 20db.<br />(2) Ultra-low power consumption: The target for terminal power consumption is: based on AA (5000mAh) batteries, the service life can exceed 10 years.<br />(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.<br />(4) Ultra-low cost: NB-IoT does not need to rebuild the network, and the radio frequency and antenna are basically multiplexed.<br />Power supply: 5V 1A<br /><br />Current consumption: 20ma<br />Low power consumption: PSM mode, typical value: 5UA<br />Frequency band: LTE-FDD: B1, B3, B5, B8<br />Default baud rate: 115200<br />Network protocol: TCP/UDP/HTTP/COAP/MQTT/ONENET/Telecom Cloud<br />colour:blue<br />material:ABS<br />size:31.6x28.5mm<br /><br />Package Contents:<br />1 x Development board<br /><br />Only the above package content, other products are not included.<br />Note: Light shooting 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.</p></div> <div class="detailmodule_image"></div> <div class="detailmodule_image"></div> <div class="detailmodule_image"></div> <div class="detailmodule_image"></div> <div class="detailmodule_image"></div>