TankSync Additional RX Hub

Spare hub for warranty replacement, second-site deployment, or backup. 

• Uses an FCC- and CE-certified LoRa module (Reyax RYLR998)
• Contains FCC ID: 2AD66-RYLR998
• LoRa radio is pre-certified for 865–867 MHz ISM

What you get

• 1× ESP32 hub with SH1106 1.3" OLED + WS2812 LED ring + buzzer (identical to Solo/Trio kit hub)
• 1× RYLR998 LoRa module pre-installed
• USB-C cable + Indian 2-pin wall adapter
• Quick-start card with re-pairing QR + hub MAC address

Use cases

• Warranty replacement if your original hub fails
• Second-site deployment (city home + farmhouse + parents' place)
• Spare for backup

What's not included

Solar transmitter not included. This is the indoor hub only. Pair with your existing TXes, or order Extra Tank Sensors separately if you're deploying to a new location.

Re-pairing

Re-pair your existing transmitters in under 2 minutes via the hub's local web UI. Inherits your account's Pro entitlement — the new hub becomes a covered site.

Specifications

• Range (hub ↔ TX): 5 km line-of-sight · 300–500 m through concrete walls
• LoRa frequency: 865 MHz (India ISM band), RYLR998 module
• Power: USB-C, 5 V / 1 A (wall adapter included)
• Connectivity: WiFi 2.4 GHz (for cloud + Home Assistant) + LoRa 865 MHz (for tanks)
• Display: SH1106 1.3" OLED — shows live tank levels at a glance
• LED ring: WS2812 — one colour per tank, dim at night via quiet-hours setting
• Buzzer: Built-in, configurable per-alert (overflow / low-water / sensor offline)
• Tank capacity: Up to 6 tanks on Pro tier (re-paired from your existing setup)
• Operating temperature: –10 °C to +60 °C
• Weight: ~230 g

Setup time

~2 minutes. Plug in the new hub via USB-C, open its local web UI (tanksync.local or hub IP), tap "Re-pair existing transmitters", and the existing TXes auto-discover the new hub on their next wake cycle. Your tank capacities, names, and alert thresholds carry over from your account.

Support & docs

1-year limited warranty on hardware. Email support@smartghar.org for help. Full setup + troubleshooting in the documentation wiki. Home Assistant integration via HACS.