Leadtek GPS 9101LP module is a high sensitivity, high gain, low power and very compact Surface Mount Device (SMD). This 20-channel global positioning system (GPS) receiver is designed for a broad spectrum of OEM applications and is based on the fast and deep GPS signal search capabilities of SiRFStarIII™ low power single chipset architecture. Leadtek GPS 9101LP is designed to allow quick and easy integration into GPS-related applications, especially for compact size devices, such as: PDA, Pocket PC and other computing devices, Fleet Management / Asset Tracking, AVL and Location-Based Services, Hand-held Device for Personal Positioning and Navigation.
The LR9101LP is a compact, high‑sensitivity GPS receiver module designed for OEM integration in devices such as PDAs, handhelds and asset‑tracking units. It uses the SiRF Star III low‑power single chipset and includes a built‑in high‑gain amplifier and band‑pass filter.
The sheet details mechanical dimensions, electrical interface (TTL serial, NMEA‑0183/SiRF binary), power requirements, environmental limits, performance figures (cold/warm/hot start times, sensitivity) and recommended antenna and footprint information.
| Module dimensions | 15 x 14 x 2.8 mm |
|---|---|
| Weight | 1 g |
| Operating temperature range | -40 °C to +85 °C |
| Storage temperature range | -55 °C to +100 °C |
| Humidity tolerance | Up to 95 % non‑condensing |
| Maximum altitude | 18,000 m (60,000 ft) |
| Cold start time | 42 s |
| Hot start time | 1 s |
| Re‑acquisition time | 0.1 s |
| Tracking sensitivity | -159 dBm |
| Acquisition sensitivity | -155 dBm |
| Output update rate | 1 Hz |
| Serial interface baud rates | 9600 or 19200 bps |
| Protocol | NMEA‑0183 / SiRF Binary |
| Power supply voltage | 2.85 VDC |
The cold start (time‑to‑first‑fix) is 42 seconds.
A passive right‑hand circular polarized antenna is recommended.
It operates from –40 °C up to +85 °C.