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Sherpa Debug Tool User Guide

Sherpa is Cat M1 & NB-IoT Pet tracker, For the first time to use, you have to use the Bluetooth App to program the unit, This tutorial will demonstrate how to program the Sherpa via Bluetooth App.

Ready

  • Charge the device for 30 minutes at least via the USB charging cable.
  • Press the button (on the charging cable) for 3 seconds to Power ON.

If press the Power button and no light, please charge it for 30 mins at least.

Download Bluetooth App

  • Search “nRF Connect for Mobile” on Google Play or iOS store to download and install the APP on your phone.
APP

Connect to Tracker

  • Enable the Bluetooth on your Phone
  • Enable the location on your Phone
  • Open the App “nRF Connect for Mobile” on your Phone
  • Click “SCANNER” and select Sherpa to CONNECT
Connect Sherpa
  • CLIENT->Nordic UART Service
  • TX Characteristic ->Click the icon
  • RX Characteristic ->Click the icon

Send Commands to Tracker

Setup IP

  • The command format is “#ip+ip”
  • For example, if your IP is 113.98.254.180, the command is #ip113.98.254.180
  • Input the IP commands and click “SEND”.
Input IP command

Setup Port

  • The command format is “#pt+port”
  • For example, if your port is 7700, the command is #pt7700
  • Input the port commands and click “SEND”.
Input port command
  • Swipe the phone screen to the LEFT until show the following interface.

Lock the Network

Input the following commands to set the network

#NB_MODE:0 E  (CAT M1)
#NB_MODE:1 E  (NB-IoT)

Lock the Bands

Input the following command to Lock the bands.

#BAND:8,20 E (B8,B20)

Setup APN

Input the following command to setup APN

#APN:nbiot E  (if apn is internet the command is #APN:internet E)

Setup Working Mode

Input the following commands to change the working mode

#l:g     (GPS only)
#l:w     (WiFi only)
#l:gw    (GPS>WiFi)
#l:wg    (WiFi>GPS)

Commands List

ItemsCommand FormatCommand SampleReply
APN#APN:apn E#APN:nbiot Enbiot OK
Cat M1 Only#NB_MODE:0 E#NB_MODE:0 ECATM set OK
NB-IoT Only#NB_MODE:1 E#NB_MODE:1 ENB set OK
NB-IoT Band#BAND:X,Y#BAND:8,20 E8,20 OK
IP#ip ip#ip192.168.1.1ip OK
Port#ptport#pt7700pt OK
Read IP#rdip:#rdip:
Read Port#rdpt:#rdpt:
Read Network#rdnbmode:#rdnbmode:
Read working mode#rdloder:#rdloder:
Read APN#rdapn:#rdapn:
Read Bands#rdband:#rdband:
Sherpa commands list

FAQ

I can’t connect to the nRF Connect App.
Try to reboot the Sherpa and then check if enable Bluetooth on your phone.
How to restart my device?
Connect to the USB Charger and press the button for 10 seconds to power off until led off, then press the button for 3 seconds to power ON.
How to find my firmware version?
Connect the Sherpa on nRF Connect App and it will show the device version, such as “SHERPA.V02_xxx”.
How to check my device’s IMEI number?
The device will report the device IMEI to the server.
Why does it not report data to my server?
Please make sure the Sherpa is wake-up (if it stops for a long time it will go to sleep) when you test.
How to Power Off the device?
Connect to the USB Charger and press the button for 10 seconds to power off until led off.
How to Power ON the device?
Connect to the USB Charger and press the button for 3 seconds to power ON.
Updated on February 27, 2023

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