One of the smallest Bluetooth receivers on the market - the Holux 236 GPSlim GPS Reciever has many features:

SiRF III powered
replaceable battery
rechargeable battery
Bluetooth
EGNOS
suits PDA's
suits PC's

Batteries - Li-Ion batteries built-in to keep the GPSlim236 running for at least 10 hours use.
Bluetooth - no need to worry about cables trailing around.
Small size - measuring a tiny 46.3 x 67 x 19 mm, this is a very small receiver.
Data port - connect directly to your PDA or laptop via cables to change GPS settings.
Connectability - connects to your Laptop, PocketPC or Palm device.
Drivers - available for Windows (95, 98, ME, NT, 2000 and XP), MAC OS & Linux.
EGNOS ready - increases the accuracy of your GPSlim236.
Charger cables - universal cable to charge from laptop/desktop, cigarette adapter andmains.

Technical Specification:

General:
Tracks up to 20 satellites
Receiver: L1, C/A code
Update rate: 1 HZ
Antenna Type: Built in Patch Antenna
Minimum signal tracked: -159dBW
Dimension: 46.3 × 67 × 19 mm
Weight : < 56g
On/Off switch : Slide Switch

NMEA Protocol Output : V 2.2 (optional V3.0)
Baud Rate : 38400 bps
Data Bit : 8
Parity : N
Stop Bit : 1
Format: GGA, GSA, GSV, RMC
Optional : GGL, VTG, SiRF Binary

Acquisition time:
Reacquisition: < 0.1 seconds.
Warm start: < 38 seconds.
Cold start: < 42 seconds.
Hot start: < 1 seconds.

Update rate:
1 second continuous.

Accuracy:
Position: 5 - 25m CEP.
Velocity: 0.1m/s.
Time +- 1us.

Dynamic conditions :
Altitude: 18,000m
Velocity: 515m/s.
Acceleration: +- 4G.
Interface:
Mini USB B type terminating in a PS/2 to connect with different VersAdapters.
NMEA or SiRF output

Antenna:
Built-in patch type.

Power:
5VDC, 0.75W.

Temperature:
Operating: 10C ~ 60C.
Storage: -20C ~ 85C.
Humidity: 5% - 95% non-condensing