1. The use of this guideline

This configure instruction is for Dragino NB-IoT models with -NB or -NS suffix, for example DDS75-NB. These models use the same NB-IoT Module BC660K-GL and has the same software structure. The have the same configure instruction to different IoT servers. Use can follow the instruction here to see how to configure to connect to those servers.

2. Network Connection

The -NB and -NS models support LTE Cat NB2, with below frequency band: multiple frequency bands of B1/B2/B3/B4/B5/B8/B12/B13/B14/B17/B18/B19/B20/B25/B28/B66/B70/B85 . Make sure you use a the NB-IoT SIM card.

2.1 1NCE SIM Card.

3. Configure to connect to different servers

 

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