# Wireless/RF

**URL:** https://forum.core-electronics.com.au/c/general/wireless-rf/23.md

[Latest](https://forum.core-electronics.com.au/latest.md) · [Categories](https://forum.core-electronics.com.au/categories.md)

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## [About the Wireless/RF category](https://forum.core-electronics.com.au/t/about-the-wireless-rf-category/56)

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**Author:** [@Graham](https://forum.core-electronics.com.au/u/Graham)\
**Replies:** 0

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Ahh, the black magic of the Electronics world! Here be dragons (and plenty of wizards, witches and warlocks)! Questions on WiFi, LoRA, 3G, 4G, LTE, Microwave Guides, RF Links? This is the place to post! Or just shoot th…

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## [Meshtastic UART decoding and integration](https://forum.core-electronics.com.au/t/meshtastic-uart-decoding-and-integration/24326)

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**Author:** [@Robert281517](https://forum.core-electronics.com.au/u/Robert281517)\
**Replies:** 7\
**Last updated:** [18 July 2026 15:13 UTC](https://forum.core-electronics.com.au/t/meshtastic-uart-decoding-and-integration/24326 "2026-07-18T15:13:55Z")

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Ive been trying to use a word eg “Drifter” from a message to trigger a mqtt\_client.publish see code below If I receive a normal message with the word Drifter included in the text the mqtt command works. However because …

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## [Waveshare SX1302 LoRaWAN Gateway Pi HAT + Module Issues](https://forum.core-electronics.com.au/t/waveshare-sx1302-lorawan-gateway-pi-hat-module-issues/17438)

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**Author:** [@Chris211874](https://forum.core-electronics.com.au/u/Chris211874)\
**Replies:** 22\
**Last updated:** [31 March 2026 12:04 UTC](https://forum.core-electronics.com.au/t/waveshare-sx1302-lorawan-gateway-pi-hat-module-issues/17438 "2026-03-31T12:04:22Z")

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Hi, Ive just purchased a SX1303 915M LoRaWAN Gateway Module+HAT for Raspberry Pi and trying to get it up and running. Im having an issue with either Pin configuration, or a faulty product and would appreciate some assis…

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## [Test Procedure for defective SX1303 LoRaWAN Gateway Module/HAT for Raspberry Pi](https://forum.core-electronics.com.au/t/test-procedure-for-defective-sx1303-lorawan-gateway-module-hat-for-raspberry-pi/23864)

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**Author:** [@phillip168481](https://forum.core-electronics.com.au/u/phillip168481)\
**Replies:** 11\
**Last updated:** [9 February 2026 08:25 UTC](https://forum.core-electronics.com.au/t/test-procedure-for-defective-sx1303-lorawan-gateway-module-hat-for-raspberry-pi/23864 "2026-02-09T08:25:29Z")

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Hi All, I’ve been trying to get my HAT to place a Raspberry Pi 4 on The Things Network. I’ve tried various Raspbian releases (Bullseye → Trixie) with limited success. On later releases of Raspbian I am using some upda…

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## [Open files on PC with Piicodev RFID Module?](https://forum.core-electronics.com.au/t/open-files-on-pc-with-piicodev-rfid-module/23647)

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**Author:** [@A308011](https://forum.core-electronics.com.au/u/A308011)\
**Replies:** 5\
**Last updated:** [2 December 2025 20:26 UTC](https://forum.core-electronics.com.au/t/open-files-on-pc-with-piicodev-rfid-module/23647 "2025-12-02T20:26:32Z")

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Hi, I am a novice hoping to use NTAG213 tags with the RFID module to open files on a PC, similar to how one would use a command line preferably. I looked at URIs but, unfortunately, while there is a write URI capability…

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## [Remote Control interworking with 433MHz receiver interfacing to Pi4/5](https://forum.core-electronics.com.au/t/remote-control-interworking-with-433mhz-receiver-interfacing-to-pi4-5/23408)

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**Author:** [@Paul292704](https://forum.core-electronics.com.au/u/Paul292704)\
**Replies:** 3\
**Last updated:** [7 October 2025 07:12 UTC](https://forum.core-electronics.com.au/t/remote-control-interworking-with-433mhz-receiver-interfacing-to-pi4-5/23408 "2025-10-07T07:12:45Z")

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Hi, I am trying to get a ‘professional looking’ hand held remote control (i.e. like a garage remote, at least 2 channel) to interface into an existing application I have running on my Pi5, and whilst there are a number o…

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## [Heltec Wireless stick v3](https://forum.core-electronics.com.au/t/heltec-wireless-stick-v3/22941)

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**Author:** [@song179682](https://forum.core-electronics.com.au/u/song179682)\
**Replies:** 8\
**Last updated:** [31 July 2025 05:11 UTC](https://forum.core-electronics.com.au/t/heltec-wireless-stick-v3/22941 "2025-07-31T05:11:13Z")

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Hi Everyone, Hope you all had a good weekend past. Does anyone have a Heltec Wireless Stick V3 and are powering via the JST connector with a 18650 or external battery? i have been Googling and some say they got it goin…

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## [Better antenna for Portenta + LoRa](https://forum.core-electronics.com.au/t/better-antenna-for-portenta-lora/22238)

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**Author:** [@Prithul271176](https://forum.core-electronics.com.au/u/Prithul271176)\
**Replies:** 23\
**Last updated:** [15 April 2025 07:18 UTC](https://forum.core-electronics.com.au/t/better-antenna-for-portenta-lora/22238 "2025-04-15T07:18:30Z")

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Hi, we recently conducted a pilot trial to test LoRa connections at Maria Island, Tasmania. We used Portenta H7 with LoRa Vision Shield with this 915 MHz uFL antenna. Below is the map of our deployment of 2 LoRa nodes ~2…

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## [Pico Wi-Fi renewal quandary](https://forum.core-electronics.com.au/t/pico-wi-fi-renewal-quandary/22130)

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**Author:** [@Mark285907](https://forum.core-electronics.com.au/u/Mark285907)\
**Replies:** 14\
**Last updated:** [31 March 2025 01:40 UTC](https://forum.core-electronics.com.au/t/pico-wi-fi-renewal-quandary/22130 "2025-03-31T01:40:14Z")

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Folks, I have a Pico WH running a weather station, using wi-fi to connect to my home network. The Pico hosts a simple HTML page that we access for weather. On start up the Pico establishes a connection via connect.py,…

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## [Wireless Can bus](https://forum.core-electronics.com.au/t/wireless-can-bus/20674)

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**Author:** [@Luke277854](https://forum.core-electronics.com.au/u/Luke277854)\
**Replies:** 7\
**Last updated:** [22 August 2024 21:32 UTC](https://forum.core-electronics.com.au/t/wireless-can-bus/20674 "2024-08-22T21:32:00Z")

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Gday team. I am looking to send can data out of a car ecu wirelessly up to about 10m, i can adjust the transmit rate out of the ecu end but would like to keep it at 500kbps if possible or 1mbps ideally, i just need to c…

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## [Data from RPi/Venous OS to the VRM Portal via 4G](https://forum.core-electronics.com.au/t/data-from-rpi-venous-os-to-the-vrm-portal-via-4g/19715)

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**Author:** [@Maurice194365](https://forum.core-electronics.com.au/u/Maurice194365)\
**Replies:** 2\
**Last updated:** [24 April 2024 12:24 UTC](https://forum.core-electronics.com.au/t/data-from-rpi-venous-os-to-the-vrm-portal-via-4g/19715 "2024-04-24T12:24:14Z")

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Hi community, I’m very new to this sort of thing and struggling (at 70years) to find answers, I have a Waveshare SIM7600G-H 4G Hat on a Raspberry Pi 4B running Venous OS V3.30, I am trying to send the data from Pi/Venou…

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## [LoRa E5 Transceiver Peer to Peer low data rate](https://forum.core-electronics.com.au/t/lora-e5-transceiver-peer-to-peer-low-data-rate/19605)

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**Author:** [@Tim62515](https://forum.core-electronics.com.au/u/Tim62515)\
**Replies:** 4\
**Last updated:** [11 April 2024 02:46 UTC](https://forum.core-electronics.com.au/t/lora-e5-transceiver-peer-to-peer-low-data-rate/19605 "2024-04-11T02:46:53Z")

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I cannot achieve a data packet transmission rate exceeding 5Hz between two LoRa transceivers in TEST mode. I am using LoRa E5 boards to send data packets (18 bytes), peer to peer/wirelessly, between Arduino hardware ser…

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## [LoRa from Scratch - a dive into the workings of LoRaWAN](https://forum.core-electronics.com.au/t/lora-from-scratch-a-dive-into-the-workings-of-lorawan/19568)

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**Author:** [@Michael99645](https://forum.core-electronics.com.au/u/Michael99645)\
**Replies:** 9\
**Last updated:** [3 April 2024 03:29 UTC](https://forum.core-electronics.com.au/t/lora-from-scratch-a-dive-into-the-workings-of-lorawan/19568 "2024-04-03T03:29:40Z")

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While a little late to this thread, I have been playing with lora and loraWAN over my break and thought this may be of interest here. My loraWAN setup is based on the SX1303 915M pi hat on a pi 3b+ My end nodes are the…

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## [Piicodev transceiver & Raspberry pi 3/4/400 problem](https://forum.core-electronics.com.au/t/piicodev-transceiver-raspberry-pi-3-4-400-problem/18926)

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**Author:** [@Andrew263297](https://forum.core-electronics.com.au/u/Andrew263297)\
**Replies:** 12\
**Last updated:** [3 February 2024 05:36 UTC](https://forum.core-electronics.com.au/t/piicodev-transceiver-raspberry-pi-3-4-400-problem/18926 "2024-02-03T05:36:00Z")

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I am a newbie. I was trying to send from a Rpi pico and receive from a Rpi 4 and 400. I get the following error: Can’t communicate with the address 0x1a - check wiring And: Couldn’t find a device - check signals an…

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## [Arduino Nano+SIM7000E Works One Day, Not the Next](https://forum.core-electronics.com.au/t/arduino-nano-sim7000e-works-one-day-not-the-next/13987)

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**Author:** [@Jack200850](https://forum.core-electronics.com.au/u/Jack200850)\
**Replies:** 3\
**Last updated:** [11 January 2024 11:53 UTC](https://forum.core-electronics.com.au/t/arduino-nano-sim7000e-works-one-day-not-the-next/13987 "2024-01-11T11:53:37Z")

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Hi Everyone, I have recently purchased a SIM7000e IOT HAT and have an Arduino Nano. Yesterday I was able to connect the arduino to the sim7000e and the arduino was able to communicate with the sim7000e with AT Commands…

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## [Wireless Transmitter and Receiver Kit | Emmanuel Katto Uganda](https://forum.core-electronics.com.au/t/wireless-transmitter-and-receiver-kit-emmanuel-katto-uganda/18643)

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**Author:** [@emmanuelkatto](https://forum.core-electronics.com.au/u/emmanuelkatto)\
**Replies:** 0\
**Last updated:** [1 December 2023 08:26 UTC](https://forum.core-electronics.com.au/t/wireless-transmitter-and-receiver-kit-emmanuel-katto-uganda/18643 "2023-12-01T08:26:43Z")

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Hello all, myself Emmanuel Katto, African Minerals and Mining Expert from Uganda. I want to purchase wireless transmitter and receiver kit, please suggest me a good one…

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## [Dooya curtains Home automation with raspberry pi 4](https://forum.core-electronics.com.au/t/dooya-curtains-home-automation-with-raspberry-pi-4/17632)

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**Author:** [@Udara103232](https://forum.core-electronics.com.au/u/Udara103232)\
**Replies:** 5\
**Last updated:** [20 July 2023 06:18 UTC](https://forum.core-electronics.com.au/t/dooya-curtains-home-automation-with-raspberry-pi-4/17632 "2023-07-20T06:18:40Z")

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Looking for a python program and 433mhz transmitter to open and close Dooya curtains. Dooya curtain come with remote controller DC2702 so far I have found that it works on OOK\_PWM Modulation

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## [I have a Lexmark n8352 Wireless Print Server Adaptor - need to get Antenna Extension](https://forum.core-electronics.com.au/t/i-have-a-lexmark-n8352-wireless-print-server-adaptor-need-to-get-antenna-extension/16859)

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**Author:** [@Denis225504](https://forum.core-electronics.com.au/u/Denis225504)\
**Replies:** 2\
**Last updated:** [18 April 2023 01:03 UTC](https://forum.core-electronics.com.au/t/i-have-a-lexmark-n8352-wireless-print-server-adaptor-need-to-get-antenna-extension/16859 "2023-04-18T01:03:37Z")

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I am looking for an antenna to suit this connector (see attached pic) It appears to be an ipx pcb connector. This is in for a Lexmark n8352 USB wireless print server adapter I’m looking to improve the performance of…

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## [RF Explorer for Shure Wireless Workbench](https://forum.core-electronics.com.au/t/rf-explorer-for-shure-wireless-workbench/16156)

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**Author:** [@Garth223406](https://forum.core-electronics.com.au/u/Garth223406)\
**Replies:** 4\
**Last updated:** [19 January 2023 23:39 UTC](https://forum.core-electronics.com.au/t/rf-explorer-for-shure-wireless-workbench/16156 "2023-01-19T23:39:53Z")

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Hi, I’m looking for an RF explorer to use with Shure Wireless Workbench. Frequency ranges I need to scan are 470 -940MHz and 1785 - 1800Mhz. Is there a reliable model that covers this range? thanks

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## [MicroPython driver/library for SX1262 LoRa chip](https://forum.core-electronics.com.au/t/micropython-driver-library-for-sx1262-lora-chip/16048)

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**Author:** [@Philip49445](https://forum.core-electronics.com.au/u/Philip49445)\
**Replies:** 1\
**Last updated:** [6 January 2023 01:22 UTC](https://forum.core-electronics.com.au/t/micropython-driver-library-for-sx1262-lora-chip/16048 "2023-01-06T01:22:56Z")

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I am interested in using the WaveShare SX1262 LoRa Node for RPi Pico in peer to peer projects. I did not wish to get involved in LoRaWan or TTN at the beginning because no public networks in Jervis Bay area. I also did n…

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## [Bluetooth amp into vintage radio](https://forum.core-electronics.com.au/t/bluetooth-amp-into-vintage-radio/15788)

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**Author:** [@Warren206522](https://forum.core-electronics.com.au/u/Warren206522)\
**Replies:** 9\
**Last updated:** [2 December 2022 05:10 UTC](https://forum.core-electronics.com.au/t/bluetooth-amp-into-vintage-radio/15788 "2022-12-02T05:10:57Z")

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Hi guys, I’ve recently purchased a bluetooth amp (ZK-502C). I’ve installed it into a vintage Falcon with radio-delete using the choke cable location and a modified headlight switch chassis. It’s completely invisible an…

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## [Replacement Xbee 3 module](https://forum.core-electronics.com.au/t/replacement-xbee-3-module/14976)

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**Author:** [@Richard83832](https://forum.core-electronics.com.au/u/Richard83832)\
**Replies:** 2\
**Last updated:** [8 September 2022 01:31 UTC](https://forum.core-electronics.com.au/t/replacement-xbee-3-module/14976 "2022-09-08T01:31:52Z")

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Hi, I can’t find any replacement stock for the XBee 3 Module - PCB Antenna SKU: WRL-15126. I need 1 or 2, and have requested to be notified when they’re in back stock. These components seem to be unavailable globally! If…

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## [Emergency Assistance Button/Badge for Teachers](https://forum.core-electronics.com.au/t/emergency-assistance-button-badge-for-teachers/14818)

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**Author:** [@Andrew138035](https://forum.core-electronics.com.au/u/Andrew138035)\
**Replies:** 7\
**Last updated:** [15 August 2022 11:29 UTC](https://forum.core-electronics.com.au/t/emergency-assistance-button-badge-for-teachers/14818 "2022-08-15T11:29:09Z")

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Hey helpful folks. A few months ago I was lucky enough to get lots of help through this forum for a simple project i was attempting, to help me learn more about the world of 21st century electronics, but also to be somet…

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## [Run code when wifi is dropped](https://forum.core-electronics.com.au/t/run-code-when-wifi-is-dropped/14178)

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**Author:** [@John202045](https://forum.core-electronics.com.au/u/John202045)\
**Replies:** 5\
**Last updated:** [25 May 2022 05:48 UTC](https://forum.core-electronics.com.au/t/run-code-when-wifi-is-dropped/14178 "2022-05-25T05:48:09Z")

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Very new here. Could use help with my 1st project. I have a Verizon mifi mobile hotspot, its way off-grid and provides internet access for my IP cameras. If the hotspot gets an auto update, overheats or has a power surg…

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## [Assistance with NB-IoT / GNSS HAT for Raspberry Pi](https://forum.core-electronics.com.au/t/assistance-with-nb-iot-gnss-hat-for-raspberry-pi/12788)

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**Author:** [@Gary2989](https://forum.core-electronics.com.au/u/Gary2989)\
**Replies:** 3\
**Last updated:** [15 January 2022 07:36 UTC](https://forum.core-electronics.com.au/t/assistance-with-nb-iot-gnss-hat-for-raspberry-pi/12788 "2022-01-15T07:36:27Z")

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Hello I purchased a NB-IoT / EDGE / GNSS HAT for Raspberry Pi ( SKU: CE07312), plus the suggested Hologram SIM. Installed the SIM, and the supplied network and GPS antennas. USB/serial drivers work correctly, can tal…

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## [Bluetooth Query ](https://forum.core-electronics.com.au/t/bluetooth-query/12694)

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**Author:** [@Kaywoo](https://forum.core-electronics.com.au/u/Kaywoo)\
**Replies:** 1\
**Last updated:** [6 January 2022 08:16 UTC](https://forum.core-electronics.com.au/t/bluetooth-query/12694 "2022-01-06T08:16:53Z")

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Hello, I have a few of questions about Bluetooth: When an iphone is communicating with an apple watch using Bluetooth Low Energy (BLE), which device is the host? So, which device is the central and which is the periph…

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## [Modifying Power Anchor to wireless operation - project](https://forum.core-electronics.com.au/t/modifying-power-anchor-to-wireless-operation-project/11424)

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**Author:** [@Gianni\_BCC](https://forum.core-electronics.com.au/u/Gianni_BCC)\
**Replies:** 71\
**Last updated:** [10 November 2021 03:45 UTC](https://forum.core-electronics.com.au/t/modifying-power-anchor-to-wireless-operation-project/11424 "2021-11-10T03:45:50Z")

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Our school has an older style Power Anchor (The Power Anchor - YouTube) which we have converted to run on rechargeable lithium batteries. We are now looking at converting the unit to wireless operations instead of the c…

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## [RF Explorer 6G - Monitoring GPS Bandwidths](https://forum.core-electronics.com.au/t/rf-explorer-6g-monitoring-gps-bandwidths/11913)

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**Author:** [@Robert181740](https://forum.core-electronics.com.au/u/Robert181740)\
**Replies:** 1\
**Last updated:** [25 October 2021 00:02 UTC](https://forum.core-electronics.com.au/t/rf-explorer-6g-monitoring-gps-bandwidths/11913 "2021-10-25T00:02:18Z")

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Hi! I have a RF Explorer 6G and i would like to monitor the GPS bandwidths for signs of possible GPS jamming, ideally using some kind of directional antenna to be able to broadly vector in on the source of the sudden sp…

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## [LoRaWAN AS923 and TTN v3](https://forum.core-electronics.com.au/t/lorawan-as923-and-ttn-v3/11859)

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**Author:** [@Roger140536](https://forum.core-electronics.com.au/u/Roger140536)\
**Replies:** 5\
**Last updated:** [19 October 2021 01:12 UTC](https://forum.core-electronics.com.au/t/lorawan-as923-and-ttn-v3/11859 "2021-10-19T01:12:59Z")

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Hi all, I have an existing set of LoRaWAN devices using 923Mhz. I use them through The Things Network (v2). I’m having to migrate that to V3. The Things Stack v3 page states the following: “In Australia, The Things Net…

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## [Suggestions for off the shelf LoRaWAN gateway for TTNv3](https://forum.core-electronics.com.au/t/suggestions-for-off-the-shelf-lorawan-gateway-for-ttnv3/11860)

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**Author:** [@Roger140536](https://forum.core-electronics.com.au/u/Roger140536)\
**Replies:** 2\
**Last updated:** [19 October 2021 01:05 UTC](https://forum.core-electronics.com.au/t/suggestions-for-off-the-shelf-lorawan-gateway-for-ttnv3/11860 "2021-10-19T01:05:38Z")

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Hi all, As indicated in my related but separate post I need to migrate my TTN connected LoRaWAN devices from TTN v2 to The Things Stack (by December 1!). It took a large amount of effort to get my existing RAK gateway w…

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