Long-range Meshtastic WisBlock kit: Build a high-power 1 W (30 dBm) LoRa node with RAKWireless WisBlock using the RAK3401 (nRF52840) core + RAK13302 (SX1262 + SKY66122 PA + SAW filter) on the RAK19007 base, built for the 868 MHz ISM band—ideal for off-grid mesh networking, outdoor coverage, and emergency communications where reliable links matter.
WisMesh 1W Booster Starter Kit is a high-power Meshtastic-ready WisBlock build that combines the Nordic nRF52840-based RAK3401 core with the RAK13302 “1W” LoRa radio (Semtech SX1262 + SKY66122 PA + SAW filter) on the RAK19007 base board. The result is a true 1 W (30 dBm) capable platform with a filtered RF chain designed to preserve receiver performance—not just boost transmit power—so you can build more stable mesh links for field use, repeaters, and wide-area coverage.
Why you want it
- True 1 W (30 dBm) capability for extended mesh coverage versus typical lower-power nodes
- Filtered RF front-end (PA + SAW filter) engineered to keep RX performance intact while increasing output power
- Comparable receive draw to “standard” WisBlock: RAK13302 RX is ~12 mA @ 5 V (~60 mW) versus a typical WisBlock Starter Kit (RAK4631 LoRa RX reference): ~17 mA @ 3.3 V (~56 mW), so you gain TX headroom without a large RX power penalty
- WisBlock modular ecosystem for easy expansion with sensors, power options, and enclosures
- Beginner-friendly high-power build that avoids common DIY pitfalls (power, RF filtering, mechanical integration)
- Field-ready use cases: off-grid comms, outdoor adventures, emergency relays, and remote sensing links
Design
- Core: RAK3401 WisBlock Core (Nordic nRF52840, ARM Cortex-M4F, 1 MB flash, 348 KB SRAM)
- Radio: RAK13302 LoRa module (SX1262 + SKY66122 booster, integrated SAW filter, up to 1 W / 30 dBm output)
- Band: 868 MHz (configure region/frequency plan per local regulations)
- Base: RAK19007 WisBlock Base Board with multiple WisBlock module slots and flexible power inputs
Compatibility & integration
- Meshtastic: Designed as a high-power, long-range Meshtastic node platform (set region, channel/frequency plan, TX power, and antenna gain to comply with local rules)
- WisBlock ecosystem: Expand with WisBlock sensors and IO modules for GPS/GNSS, environmental telemetry, and more
- Advanced firmware projects: SX1262 supports LoRa point-to-point; LoRaWAN capability depends on firmware stack and configuration
Specs
| Product type | WisBlock-based Meshtastic node kit (high-power LoRa booster) |
|---|---|
| LoRa transceiver | Semtech SX1262 (RAK13302 module) |
| RF front-end | SKY66122 power amplifier + SAW filter (RAK13302 module) |
| Frequency | 868 MHz ISM band |
| Max RF output | Up to 1 W (30 dBm) (region/config dependent) |
| MCU / Core | Nordic nRF52840 (RAK3401 WisBlock Core) |
| Memory | 1 MB flash, 348 KB SRAM |
| BLE | BLE 5.0 (RAK3401), up to +4 dBm |
| Operating temperature | -40 to +85 °C (-40 to +185 °F) |
| Power requirements | Stable 5 V input required for the 1 W RF stage (do not run the booster from 3.3 V sources) |
| Peak current (TX @ 30 dBm) | Up to ~1000 mA at 5 V (plan power accordingly) |
| RX current draw (radio module) | RAK13302: ~12 mA @ 5 V (~60 mW) (RX average, configuration dependent); WisBlock Starter Kit (RAK4631 LoRa RX reference): ~17 mA @ 3.3 V (~56 mW) |
| Module sizes | RAK3401: 20 × 30 mm (0.79 × 1.18 in); RAK13302: 25 × 35 mm (0.98 × 1.38 in) |
| Base board size | RAK19007: 30 × 60 mm (1.18 × 2.36 in) |
What’s included (In the Box)
- 1 × WisBlock Base Board RAK19007
- 1 × WisBlock Core Module RAK3401
- 1 × WisBlock LoRa module RAK13302 (1 W)
- 1 × WiFi/BLE PCB antenna
- 1 × 868 MHz LoRa PCB antenna
- 1 × USB cable
- 1 × IPEX to SMA cable for LoRa antenna
- 1 × SMA rubber LoRa antenna
- 2 × 5 V supply cables
- 1 × Screw set
- 1 × Quick Start Guide
Performance notes & setup guidance
- Power: The 1 W RF stage requires a stable 5 V supply. Use USB power, a regulated 5 V adapter, or a properly designed battery/regulator solution. Avoid powering the booster from 3.3 V rails.
- Thermals: High duty-cycle TX at elevated output power increases heat. For best reliability, avoid unnecessary continuous transmissions and ensure airflow in enclosures.
- Regulatory compliance: 1 W capability does not mean 1 W is legal everywhere. Configure frequency plan, TX power, duty cycle, and antenna gain to comply with local requirements.
- Antenna placement: Elevation and clear line-of-sight typically outperform additional TX power; place the antenna as high and unobstructed as practical.
Extend your mesh coverage now. Add the WisMesh 1W Booster Starter Kit to your cart and build a long-range Meshtastic node with a filtered RF chain built for reliable links.









There are no reviews yet.