Vesper Marine
Vesper Marine WatchMate 850: specifications
Vesper Marine WatchMate 850, from the AIS family.
Sources and technical context
- Model year
- 2010
Technical specifications
| Description | Built-in Class B transponder incorporating GPS antenna |
|---|---|
| Ais class | Class B |
| Ais transmit | Yes |
| Ais receiver | Yes |
| Receive sensitivity | -113dBm |
| Transmit power | 2W (33 dBm) |
| Built-in GPS | Yes |
| Gps channels | 50 channel |
| Screen size in | 5 |
| Resolution px | 320x240 |
| Silent mode | Yes |
| Dimensions | 208 x 135 x 76 mm |
| Power supply | 12-24 VDC, 3 watts nominal |
| External alarm | Maximum 150 mA |
| Serial data | 1 USB port (mini), 1 NMEA input (RS422), 1 NMEA output (RS422) |
| Vhf antenna required | PL-259 connector, 50 ohm, max 2:1 VSWR |
| Operating temp range c | -25C to +55C (-13F to 131F) |
| Dsc | No |
| Classe | Class B |
Display
| IP rating | IPx7 (Watertight USCG CFR-46); IP67 rated |
|---|
Head to head with its direct rivals
Side-by-side figures for the WatchMate 850 against em-trak A200 · Garmin AIS 800 · NKE GuardXP+, within the AIS family.
| Characteristic | Vesper Marine WatchMate 850 | em-trak A200 | Garmin AIS 800 | NKE GuardXP+ |
|---|---|---|---|---|
| Built-in GPS | yes | yes | yes | yes |
| NMEA 2000 | no | yes | yes | yes |
| Classe (A / B / B-SOTDMA) | Class B | A | Class B (SOTDMA) | Class B+ SOTDMA 5 W |
| Transmit power | 2W (33 dBm) | 1W or 12.5W (automatic selection) | 5 | n/a |
| Compatibility | no | yes | yes | yes |