Ascom - SRU
The SRU is built on the same hardware as commercial Sony Ericsson mobile phones. This means that the SRU delivers precisely the same signal strength readings as the commercial phones, using identical circuitry. More generally, being equipped with identical hardware, the SRU has no need to simulate any part of the phone’s scanning procedure in software.
Furthermore, since it is devoted to the task of scanning, the SRU vastly outperforms commercial phones in terms of scanning speed and update rate.(Phones do not scan any more than what is required to maintain good radio performance.) The SRU is fully on a par performance-wise with scanners based on dedicated hardware.
In GSM networks, the SRU undertakes RSSI scanning of selected channels or entire GSM bands. BSIC decoding can optionally be done whenever possible.
For WCDMA, the SRU performs CPICH scanning on up to 12 carriers at a time. A snapshot of System Information Message can be taken once for each cell camped on. Furthermore, a special “BCH scanning” mode is available for continuous monitoring of System Information. The latter is useful for example when conducting a close-up investigation of parameter settings.
The SRU contains an Ericsson F3607gw Mobile Broadband Module supporting frequency bands as follows:
- GSM 850/900/1800/1900 MHz
- WCDMA 900/1900/2100 MHz (Europe) or 850/1900/2100 MHz (US)
Item code: 157302
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