Heltec
OpenMANET supports Heltec Wi-Fi HaLow devices. These are compact, self-contained gateways with integrated HaLow radios.
Supported Hardware
| Device | Status | Notes |
|---|---|---|
| Heltec HT-HD01 V2 | ✅ Tested | MT7628AN + MM6108 (SDIO), onboard 2.4 GHz Wi-Fi |
HT-HD01 V2
The HT-HD01 V2 is a compact Wi-Fi HaLow gateway based on the MediaTek MT7628AN SoC with a Morse Micro MM6108 HaLow radio connected via SDIO.
Specifications
| Feature | Details |
|---|---|
| SoC | MediaTek MT7628AN (MIPS 24KEc, 580 MHz) |
| RAM | 128 MB DDR2 |
| Flash | 32 MB SPI NOR |
| HaLow Radio | Morse Micro MM6108 (SDIO interface) |
| HaLow Band | 915 MHz (US) |
| 2.4 GHz Wi-Fi | MT7628AN built-in (802.11b/g/n) |
| Ethernet | 1x 100 Mbps |
| Power | USB-C, 5V |
| Antenna | External SMA (sub-GHz), onboard 2.4 GHz |
Radio Calibration (BCF Files)
The HT-HD01 V2 requires the board-specific calibration file bcf_HD01_v2.bin for the MM6108 HaLow radio. This BCF is included in the OpenMANET firmware image and is configured automatically.
Default Configuration
| Setting | Value |
|---|---|
| HaLow Channel | 28 (916 MHz, 8 MHz BW) |
| 2.4 GHz SSID | openmanet |
| 2.4 GHz Password | openmanet |
| 2.4 GHz Encryption | WPA2-PSK |
| Mesh Routing | batman-adv (BATMAN_V) |
Known Limitations
- Only the HT-HD01 V2 is supported. The HT-HD01 V1 is not supported.
- The 2.4 GHz radio operates in AP mode only.
- Ethernet port is 100 Mbps (no gigabit).
- CPU performance is bad to the point where is affects webui load times.