From Digi International: Design for LPWA with LTE Cat 1 Today. Ready for LTE-M and NB-IoT Networks Tomorrow
Build for Today
LTE Cat 1 is a critical cellular technology for low-power, low-bandwidth IoT deployments. While it supports data rates of 10Mbps Downlink / 5Mbps Uplink, it’s not optimal for higher bandwidth applications that require streaming data or large file transfers. LTE Cat 3 or 4 are better suited for applications that require high data rates and are (typically) mains powered, with support for speeds up to 150Mbps Downlink / 50Mbps Uplink. LTE Cat 1, on the other hand, is a great option for LPWA applications that require low-power consumption and transmit smaller amounts of data less frequently. LTE Cat 1 is fully available across North America, so it can be used in customer applications immediately with confidence. With the Digi XBee Cellular and its industry-leading sub-10uA Deep Sleep functionality, OEMs can design their LPWA devices to work with existing LTE Cat 1 infrastructure today, and in the future drop in an ultra-low power Digi XBee LTE-M or NB-IoT (or even LoRa) with little to no hardware or software re-design required.
Ready for Tomorrow
LTE-M and NB-IoT promise to improve range by 4-7x while further enhancing battery life up to 10 years, with significantly lower hardware and data plan costs. However, these new networks are not yet fully deployed and available – carriers are in the early stages of upgrading their infrastructure, with plans to have full service availability that includes new advanced power management features like PSM and eDRX by the end of 2017. It’s a good strategy for OEMs to start LPWA implementations today leveraging LTE Cat 1, allowing a seamless transition to LTE-M and/or NB-IoT as they become fully available in the future.
The Digi XBee line of wireless solutions maintains a consistent hardware footprint, standard pin-out connections and award-winning software interface across a wide variety of communications protocols. They include ZigBee, 802.15.4, DigiMesh, Wi-Fi, as well as longer-range proprietary (100+ kilometer) solutions. Digi XBees manufactured over a decade ago remain hardware and software compatible with the latest XBee products, including the new Digi XBee Cellular LTE Cat 1. Digi’s XBee LTE-M and NB-IoT modems will deliver these new technologies in a fully backwards-compatible and future-proof platform. This is the Digi XBee™ Cellular advantage.
Planning a LPWA solution that needs to work as well in the future as it does today? Digi XBee Cellular LTE Cat 1 is the only modem on the market with the track record to truly connect with confidence.
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