Xplore Technologies Corp. MC7750 Manual Do Utilizador

Página de 100
RF Specifications
Rev 4  Sep.11
Proprietary and Confidential - Contents subject to change
43
GPS specifications
Note:  For detailed electrical performance criteria, see 
PCS (1900 MHz)
CDMA 1x
0.5% FER
-107.5
-104.0
EVDO rev A
0.5% PER
-109.5
-105.5
Table 5-6: 
Conducted Tx (Transmit) power tolerances
 
Parameter
Conducted 
transmit power 
(dBm)
1
1.
Preliminary values
Notes
LTE
LTE, Band 13
+23 dBm 
 1dB
CDMA
CDMA Band Class 0 
(Cellular)
+24 dBm 
 1dB
CDMA Band Class 1 (PCS)
+23.5 dBm 

1dB 
(channel 1175)
+24 dBm 

1dB 
(other channels)
Table 5-7:  GPS specifications 
1
Parameter/feature
Description
Satellite channels
12 channel, continuous tracking
Protocols
NMEA 0183 V3.0
Acquisition time
Hot start: 1 s
Warm start: 29 s
Cold start: 32 s
Accuracy
Horizontal: < 2 m (50%); < 5 m (90%)
Altitude: < 4 m (50%); < 8 m (90%)
Velocity: < 0.2 m/s
Table 5-5:  Conducted Rx (Receive) sensitivity — CDMA bands 
CDMA bands
Conducted Rx sensitivity (dBm)
Typical
Worst case