FlySpark P900 — 900 MHz FHSS Long-Range Data Link (1 W)
The P900 is a durable, frequency-hopping serial modem designed for reliable long-range telemetry.
With software-adjustable 100 mW–1 W output, up to 276 kbps link rate and FHSS for resilience,
it delivers stable communications for field deployments.
Key Features
- 902–928 MHz FHSS operation for robust links
- Software-adjustable power: 100 mW to 1 W (20–30 dBm)
- Range: up to 60 km line-of-sight with appropriate antennas and mounting
- Serial (UART) async up to 230.4 kbps; link rate up to 276 kbps
- Reliability: 32-bit CRC + ARQ error correction
- Wide supply: DC 7–35 V via 4-pin JST-GH
- Compact aluminum housing, lightweight design
Specifications
| Frequency range | 902–928 MHz |
|---|---|
| Spreading method | FHSS (Frequency Hopping Spread Spectrum) |
| TX power | 100 mW to 1 W (20–30 dBm), software adjustable |
| Link rate | Up to 276 kbps |
| Serial interface | UART (asynchronous) up to 230.4 kbps |
| Range (LOS) | Up to 40 miles / 60 km (antenna & installation dependent) |
| Error control | 32-bit CRC, ARQ |
| Input voltage | DC 7–35 V (4-pos JST-GH) |
| Weight | 42 g (radio only); 69 g (with antenna) |
| Origin | Hubei |
| Brand | Generic / Unbranded (sold by FlySpark) |
| Package | Single item; approx. 20 × 20 × 20 cm; ~2.0 kg gross |
In the Box
- P900 900 MHz FHSS modem
- External antenna (as shown)
Compatibility & Notes
- Works with serial-based systems (microcontrollers, embedded PCs, PLCs, etc.).
- Connector pinouts and data cable types may vary by batch—confirm before wiring.
- Range depends on antenna gain/height, RF environment, and line-of-sight.
Regulatory & Responsible Use
Important (India): 902–928 MHz is not a general unlicensed ISM band domestically (India commonly permits 865–867 MHz SRD).
Operation may require authorization/licensing (e.g., WPC/DoT) or be restricted to export/lab use.
Always comply with local spectrum and RF power regulations. FlySpark supports lawful, non-interfering use only.
Sales & Support — FlySpark (India)
Email: [email protected] · Phone: +91-9461785001 · GSTIN: 24ABCCA1331J1Z5








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