Changes for page NDDS75 -- NB-IoT Distance Detect Sensor User Manual
Last modified by Bei Jinggeng on 2024/05/31 09:53
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... ... @@ -59,7 +59,6 @@ 59 59 * 4000mAh or 8500mAh Battery for long term use 60 60 61 61 62 - 63 63 == 1.3 Specification == 64 64 65 65 Measure Volume: Base on the centra pin of the probe, a cylinder with 7cm diameter and 10cm height. ... ... @@ -91,7 +91,7 @@ 91 91 ))) 92 92 93 93 ((( 94 -In case you can’t set the OTAA keys in the LoRaWAN OTAA server, and you have to use the keys from the server, you can [[use AT Commands >>||anchor="H3. UsingtheATCommands"]].93 +In case you can’t set the OTAA keys in the LoRaWAN OTAA server, and you have to use the keys from the server, you can [[use AT Commands >>||anchor="H3.200BUsingtheATCommands"]]. 95 95 ))) 96 96 97 97 ... ... @@ -632,6 +632,8 @@ 632 632 * Solid ON for 5 seconds once device successful Join the network. 633 633 * Blink once when device transmit a packet. 634 634 634 + 635 + 635 635 == 2.9 Installation in Soil == 636 636 637 637 **Measurement the soil surface** ... ... @@ -879,20 +879,38 @@ 879 879 880 880 == 4.1 How to change the LoRa Frequency Bands/Region? == 881 881 883 +((( 882 882 You can follow the instructions for [[how to upgrade image>>||anchor="H2.10200BFirmwareChangeLog"]]. 883 883 When downloading the images, choose the required image file for download. 886 +))) 884 884 888 +((( 889 + 890 +))) 885 885 892 +((( 886 886 How to set up LSE01 to work in 8 channel mode By default, the frequency bands US915, AU915, CN470 work in 72 frequencies. Many gateways are 8 channel gateways, and in this case, the OTAA join time and uplink schedule is long and unpredictable while the end node is hopping in 72 frequencies. 894 +))) 887 887 896 +((( 897 + 898 +))) 888 888 900 +((( 889 889 You can configure the end node to work in 8 channel mode by using the AT+CHE command. The 500kHz channels are always included for OTAA. 902 +))) 890 890 904 +((( 905 + 906 +))) 891 891 908 +((( 892 892 For example, in **US915** band, the frequency table is as below. By default, the end node will use all channels (0~~71) for OTAA Join process. After the OTAA Join, the end node will use these all channels (0~~71) to send uplink packets. 910 +))) 893 893 894 894 [[image:image-20220606154726-3.png]] 895 895 914 + 896 896 When you use the TTN network, the US915 frequency bands use are: 897 897 898 898 * 903.9 - SF7BW125 to SF10BW125