Already have navigation software, but your unit still can't find its way? The Garmin Mobile 20 Sensor Only includes the new GPS 20SM phone mount. The compact and portable GPS 20SM smart mount combines a high-sensitivity GPS receiver, Bluetooth hands-free kit, adjustable phone cradle and 12-volt phone charger all in one. It easily adjusts to fit a variety of smartphones, and moves from vehicle to vehicle, making it convenient to take on business trips or vacation.

Make Hands-Free Calls
With Garmin Mobile 20's wireless technology, you can talk on your phone safely via the smart mount's built-in speaker and microphone. Easily look-up and dial numbers from your phone's address book or the extensive points of interest database - including hotels, restaurants, stores, attractions and more.
Garmin GPS 20SM Features:
- Receiver: High-sensitivity WAAS-capable GPS receiver by SiRF
- Unit dimensions: 2.7" x 4.2" x 2.31" (6.9 x 10.7 x 5.9 cm)
- Power supply: 12-volt adapter cable
- Interfaces: Connects to Nokia Symbian, Windows Mobile and Palm OS Treo smartphones with Bluetooth wireless technology.
Garmin GPS 20SM Specifications
GPS Performance
- Receiver: High sensitivity SiRFstarIII GPS receiver; WAAS-enabled; continuously tracks satellites to compute and update your position
- Acquisition times:
- Warm: < 1 sec
- Cold: < 38 sec
- Factory Reset: < 45 sec
- GPS accuracy:
- Position: < 10 meters, typical
- Velocity: 0.05 meter/sec steady state
- DGPS (WAAS) accuracy:
- Position: < 5 meters, typical
- Velocity: 0.05 meter/sec steady state
- Antenna: Built-in patch type GPS antenna
Physical
- Size: 2.7"W x 4.2"H x 2.31"D (69.07 mm x 107.1 mm x 58.97 mm)
- Power Supply: 12-Volt adapter cable
- Interfaces: Connects to Nokia Symbian, Windows Mobile and Palm OS Treo smartphones with Bluetooth wireless technology.