Product overview
The Jumper 370M & 915M Dual-Band ExpressLRS Receiver is an onboard radio receiver for FPV racing drones and fixed-wing UAVs. Its architecture combines two third-generation Semtech LR1121 RF transceivers, true diversity and support for 370 MHz, 915 MHz and Xrossband (Gemini-X) within one module. This configuration addresses applications spanning fast-paced FPV flying and longer-distance flight over complex terrain, with low latency and a high refresh rate among its stated operating characteristics.
The receiver measures 33 × 22 mm, providing a compact footprint for aircraft integration. Its specified connections are an ELRS 2.54-4P interface and an IPEX antenna interface, with DC5V power and Wi-Fi firmware upgrading. These define the electrical and connection requirements for installation. For long-distance travel or complex terrain, the receiver provides automatic switching to 915M. The same receiver is intended to serve multiple flying environments, including urban areas and wilderness, without requiring receiver replacement.
Specifications
| Specification | Value & conditions |
|---|---|
| Product | Jumper 370M & 915M Dual-Band ExpressLRS Receiver |
| Protocol | ELRS GEMINI (370MHz&915MHz) |
| Interface type | ELRS 2.54-4P |
| Antenna interface | IPEX |
| Firmware upgrade | WIFI |
| Supply voltage | DC5V |
| Dimensions | 33 × 22 mm |
| RF architecture | Two third-generation Semtech LR1121 RF transceivers |
| Diversity and dual-band operation | True diversity and dual-band operation |
| Crossband capability | 370 MHz, 915 MHz and Xrossband (Gemini-X) in one module |
| Automatic band switching | Automatic switching to 915MLong-distance travel or complex terrain. |
| Intended aircraft applications | FPV racing drones and fixed-wing aircraft/UAVs |
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