Trimble Outdoors SK8 - Manual (Page 191)

Lassen-SK8 Embedded GPS Module F-3
Specifications and Mechanical Drawings
F.3 Physical Characteristics
F.3.1 Size
• Receiver board: 82.6 mm x 1.30 mm x 10.2 mm (3.25" x 1.25" x 0.40")
• Antenna: 47 mm x 40 mm x 13.3 mm (1.85" x 1.58" x 0.52")
F.3.2 Weight
• Receiver board: 19.6 g (0.7 oz) without optional shield
• Receiver board: 36.4 g (1.3 oz) with optional shield
F.3.3 Power
• Prime Power: +5 volts DC (±5%); 150 ma (.75 watts typical) without antenna
• Prime Power: +5 volts DC (±5%); 175 ma (.875 watts typical) with antenna
P/N 28367-00
• RAM Backup: optional +3.2 - +5.25 volts DC input via 8-pin header J3; 1 micro
amp
F.4 Input/Output
F.4.1 Interface
• Two TTL level, bi-directional, serial I/O ports on J3 8-pin header
F.4.2 Protocols Available
• Trimble Standard Interface Protocol (TSIP); binary data I/O provides maximum
bi-directional control over all GPS board functions. Sample C source code
interface routines are available.
• NMEA 0183: Industry standard ASCII protocol for marine electronics
applications. Supports NMEA sentences GGA, VTG, GLL, ZDA, and GSV, GSS,
RMC.
*
Note – GGA and VTG are factory default messages.