STONEX S9 GNSS - Radio module; GPRS;GSM module; Power Supply

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Appendix 3: Technical Specifications
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Radio module
 Internal transmitting and receiving radio: MDS TRM 450
 Frequency range available: 410-470 MHz.
 Emitting power: 0.5 W – 1 W
 Compatibility with Trimtalk protocol (Trimble/Pacific Crest radio).
GPRS/GSM module
The GPRS/GSM board mount a Telit_GC864-QUAD_V2 unit for GSM/GPRS communication.
This module supports:
- Quad-band operation at 800 MHz, 900 MHz, 1800 MHz, 1900 MHz.
- GPRS Multislot class 12.
- EDGE (E-GPRS) Multishot class 10.
- GSM release 99.
- Output power: class 4 (2 W) for EGSM850 AND EGSM900, class 1 (1 W) for GSM1800
and GSM1900.
Power Supply:
 9 to a 15V DC external power input with over-voltage.
 Voltage: 7.2 V.