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Astro® 320
$ 449.99 USD - $ 599.99 USD

Alpha® 100
$ 599.99 USD - $ 799.99 USD
Remove Row Unit dimensions, WxHxD: 2.4" x 6.3" x 1.4" (6.1 x 16.0 x 3.6 cm) 2.5 x 6.5 x 1.5” (6.4 x 16.5 x 3.8 cm)
Remove Row Display size, WxH: 1.43" x 2.15" (3.6 x 5.5 cm); 2.6" diag (6.6 cm) 1.53"W x 2.55"H (3.8 x 6.3 cm); 3" diag (7.6 cm)
Remove Row Display resolution, WxH: 160 x 240 pixels 240 x 400 pixels
Remove Row Display type: transflective, 65-K color TFT transflective, 65-K color TFT touchscreen
Remove Row Weight: 9.2 oz (260.1 g) with batteries 8.8 oz (250 g) with standard antenna and battery
Remove Row Battery: 2 AA batteries (not included); NiMH or Lithium recommended rechargeable lithium-ion (included)
Remove Row Battery life: up to 20 hours (Astro 320) up to 20 hours (Alpha 100)
Remove Row Waterproof: yes (IPX7) yes (IPX7)
Remove Row Floats: no no
Remove Row High-sensitivity receiver: yes yes
Remove Row Interface: USB USB
Remove Row Basemap: yes yes
Remove Row Preloaded maps: no yes (topographic)
Remove Row Ability to add maps: yes yes
Remove Row Built-in memory: 1.7 GB 4.0 GB
Remove Row Accepts data cards: microSD™ card (not included) microSD™ card (not included)
Remove Row Waypoints/favorites/locations: 2000 4000
Remove Row Routes: 200 200
Remove Row Track log: 10,000 points, 200 saved tracks 10,000 points, 200 saved tracks
Remove Row Automatic routing (turn by turn routing on roads): yes (with optional mapping for detailed roads) yes (with optional mapping for detailed roads)
Remove Row Touchscreen: no yes
Remove Row Electronic compass: yes (tilt-compensated, 3-axis) yes (tilt-compensated, 3-axis)
Remove Row Barometric altimeter: yes yes
Remove Row Camera: no no
Remove Row Photo navigation (navigate to geotagged photos): NA NA
Remove Row Picture viewer: no no
Remove Row Custom maps compatible: yes yes
Remove Row Geocaching-friendly: yes (paperless) no
Remove Row Hunt/fish calendar: yes yes
Remove Row Sun and moon information: yes yes
Remove Row productSpecTideTables: yes yes
Remove Row Area calculation: yes yes
Remove Row Custom POIs (ability to add additional points of interest): yes yes
Remove Row Unit-to-unit transfer (shares data wirelessly with similar units): yes yes
Remove Row Garmin Connect™ compatible (online community where you analyze, categorize and share data): yes yes
Remove Row Additional:
  • Range (line of sight): T 5: 9 miles; Mini: 4 miles
  • Frequency band: MURS (The T 5, T 5 mini, TT™ 15 and TT 15 mini are only compatible with the Astro® 320 and the Alpha™ 100. T 5, T 5 mini, TT 15 and TT 15 mini can be configured for operation with either handheld but cannot be tracked simultaneously by both the Astro 320 and the Alpha 100)
  • Handhelds vibration mode: yes
  • Tracks up to 10 dogs simultaneously

Specs for T 5/T 5 mini dog devices

  • Range (line of sight): TT 15, 9 miles; Mini, 4 miles
  • Frequency band: MURS (The T 5, T 5 mini, TT™ 15 and TT 15 mini are only compatible with the Astro® 320 and the Alpha™ 100. The T 5, T 5 mini, TT 15 and TT 15 mini can be configured for operation with either handheld but cannot be tracked simultaneously by both the Astro 320 and the Alpha 100.)
  • Tracks up to 20 dogs (TT 10/15/15 mini and T5/5 mini) and buddies (Alpha 100) simultaneously
 

Specs for the TT™ 15/15 mini dog devices