FreeWave Technologies Inc. AMI0032AT Manuale Utente

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 Spread Spectrum Wireless Data Transceiver User Manual 
Preliminary GXM Manual 
Version 0.2 
50 
PRELIMINARY 
GMX Specifications
 
Specification  
Transmit 
 
Frequency Range 
2400 – 2483 MHz ISM Band 
Spread Spectrum 
FHSS 
Output Power 
10 mW to 500 mW 
Range – Line-of-sight 
20 miles 
Modulation 
2 level GFSK 
RF Data Rate 
Selectable speeds, 115.2 or 153.6 Kbps 
Occupied bandwidth @ 60dB 
345 kHz 
Hopping Patterns 
15 per band, 105 total, user selectable 
Hopping Channels 
50 to 80, user selectable out of a total of 240 
Hopping Bands 
7, user selectable 
Frequency Zones 
16 zones 
RF Connector 
MMCX (Straight Edge) 
Receiver 
 
Sensitivity 
-105 dBm @ 115.2 Kbps for BER 10
-4
 
-104 dBm @ 153.6 Kbps for BER 10
-6
  
IF Selectivity 
TBD dB at fc +/- 230 kHz 
RF Selectivity 
TBD dB at 896 MHz, 935 Mhz 
Dynamic Range 
0 dBm 3
rd
 Order Intercept Point at Input Connector 
Data transmission 
 
Error detection 
32 Bit CRC, retransmit on error 
Data encryption
 
Proprietary Spread Spectrum Technology
 
Data interface 
1200 Baud to 230.4 Kbps 
Data Connector 
Straight 14-pin dual row header 2.0 mm spacing 
Data Throughput 
115.2 Kbps* 
Power requirements 
 
Supply voltage 
3.3 to 5.0 VDC 
Mode 
3.3 VDC 
5 VDC 
Transmit 
909 mA 
600 mA 
Receive 
125 mA 
135 mA 
Idle 
38 mA 
19 mA 
Current [mA] 
Sleep 
8 mA 
6 mA 
General Information 
 
Operating Temperature Range 
-40° C to +85° C (-40° F to +185° F) 
Dimensions 
50.8 mm L x 36 mm W x 9.6 mm H (2” L x 1.4” W x 0.38” H) 
Weight 
14 g (0.49 oz) 
Humidity 
0% to 95% non-condensing 
 
* At 100% receive success rate.  RF data rate setting of 2.