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Environmental Monitoring (Voice)
Dimensions and weight
(at 12 Vdc)
N° 1. Ø 2.5 mm. Cable len: 1,5 m (more on request).
9 selectable volume levels
7 selectable pre-amplification levels
9 selectable sensitivity levels
N° 1. For external device (example: VOX) Vin 12Vdc max - normally open
70(W) x 40(P) x 17(H) [mm], 80 g (2.8 Oz.) approx.
8 Vdc to 40 Vdc from external battery pack or directly from the car harness
18 mA avg
Full mode and connect
45 mA avg
Anti detection mode
-20°C to 60°C
The P5 is a highly integrated device dedicated to the environmental silent monitoring.
The voice section has two separate fully programmable audio path in terms of volume using SMS or simply by a DTMF
keypad (for example you may use the same telephone making the call)
It may be battery operated or directly connected to the same vehicle supply.
The P5 operations may be triggered by the operator (SMS/DTMF) or automatically when any movement has been
The device is designed to operate with one external microphone (Ø 2.5 mm) connected by a very resistant cable
(length: 1.5 m or more on request).
The GSM antenna is connected via SMA RF connector.
Finally, the enclosure – made in aluminium, passivated - offers adequate protection against dust, water and withstands to most of other environmental conditions.
(at the antenna connector):
The GSM section performs a set of telecom services (TS) according to GSM standard phase 2+, ETSI and ITU-T. it is compliant with GSM phase 2/2+
The functions of the module are implemented by issuing Hayes AT commands as
detailed in GSM specs level 07.05/07.07
SMS are sent and received accordingly to MO/MT, GSM07.05, PDU and text
Data is transferred at 9600 bps (CSD)
GPRS is a multislot Class 10, mobile station protocol class B.
Automatic hand-over between GSM 900 and GSM 1900
GSM 900, E-GSM 900 and GSM 1800
Class 4: 2W per GSM 900
Class 2: 1W per GSM 1800
¼λ 3-band 2db/I coaxial cable RG174 with SMA/m
Document Path: ["168-spei-p5.pdf"]