
NEC Pasolink NEO H2940A modem unit, supporting QPSK/16QAM/32QAM/128QAM modulation.
The NEC H2940A is a modem unit module from the NEC Pasolink NEO family of digital microwave radio systems, supporting QPSK, 16QAM, 32QAM and 128QAM modulation schemes. It forms part of the modular Pasolink NEO indoor unit, handling modulation and demodulation of the radio signal carried over the microwave link.
Selectable modulation allows the link to trade off capacity against radio path robustness, with higher-order modulation such as 128QAM supporting greater throughput on a given channel bandwidth at the cost of reduced fade margin.
This modem unit is compatible with NEC Pasolink NEO microwave radio indoor units. Tech-Star is UK-based and ships worldwide. Get in touch to confirm compatibility with your system.

| Platform | NEC Pasolink digital microwave radio system |
|---|---|
| Manufacturer | NEC |

| Platform | NEC PASOLINK |
|---|---|
| Manufacturer | NEC |

| Platform | Dterm Series E |
|---|---|
| Manufacturer | NEC |

| Platform | NEC SV8300 |
|---|---|
| Manufacturer | NEC |

| Platform | NEC FOTS / FD-1840 optical transmission system |
|---|---|
| Manufacturer | NEC |

| Platform | NEC UNIVERGE |
|---|---|
| Manufacturer | NEC |
| Key Features | Pasolink NEO modem unit; QPSK/16QAM/32QAM/128QAM modulation; part of modular indoor unit |
|---|---|
| Applications | Microwave link modulation/demodulation; capacity vs fade margin trade-off; Pasolink NEO indoor unit assembly |
| Compatibility | NEC Pasolink NEO microwave radio indoor units |
| Specifications | Modem unit card; QPSK through 128QAM modulation support; Pasolink NEO indoor unit family |
| Manufacturer | NEC |
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