Samson Media 7 5007-1, Mounting And Operating Instructions

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8-6 EB 9510 EN
Operation
8.3.2 Improving the signal quality
The signal strength can be indicated by the LEDs on the GSM module. Proceed as follows:
1.
Press the service key on the GSM module and hold for three seconds (see Fig. 8-4).
2. The LEDs indicate the signal strength as follows:
Reading CSQ value 1) Signal quality
Red LED
R
< 8 (< –96 dBm) No signal
Red LED + 1x green LED
R G
< 15 (< –82 dBm) Poor quality
Red LED + 2x green LEDs
R G G
< 21 (< –70 dBm) Fair quality
Red LED + 3x green LEDs
R G G G
≥ 21 (≥ –70 dBm) Good quality
1)
CSQ (Cell Signal Quality), parameter to indicate the signal strength (signal quality) in mobile
networks
Service key
Red LED
Green LEDs
Fig. 8-4: Signal strength indication Fig. 8-5: Aligning the antenna
Aligning the antenna
Move the antenna to the upright position for the best reception results. If a weather guard or
other housing parts are located directly above the device due to the mounting situation, tilt
the antenna slightly (see Fig. 8-5).