820P GPS tracker is a multi-use device. With special design collar it is for the Pet or Livestock which often go outside. The collar length is adjustable for median and large size pet such as dog and cat.
Take off the collar and put into waterproof carry case, it also can be used on personal, vehicle, fleet or moving asset.
There is also a SOS key on the 810P for emergency alarm. When you are jogging or hiking with your pet together, in case of encounter any accident, press this button to send out message for exactly location and fast help.
Also it has data logging function and records up to 54000 way points.

 Features：
1. GPS SIRF-Star III chipset fast fixing the position even at a weak signal status.
2. Works worldwide! Support 3-frequency GSM 900/1800/1900 MHZ.
3. Receive phone calls and SMS and GPRS in three way communications.
4. Monitors can track the device without interfering him, LIVE! Real-Time tracking!
5. SOS button send out exact location for immediate rescue/action.
6. Independent SOS button which will send GPS information via SMS for 1 to 5 preset
     numbers.
7. System setting by SMS. FREELY!
8. Low battery notification before the battery runs out! Worrying free on why the
     locator wouldn’t respond for this kind of situation!
9. Speed limit alarm
10. Multi-user management on website. (GPRS mode)
11. It has data logging function and records up to 54000 way points.
12.With A-GPS, the receiver can acquire satellites and provide accurate position
     data instantly on demand, even under poor signal conditions.

Specification
GSM/GPRS:
GSM/GPRS :module:Sincom300 Tri-Band GSM module (GSM900/1800/1900MHz)
GSM Antenna : Build-in
Protocol: Support TCP transmission

GPS:
GPS module :SRIF III 20 channels
Protocol :NMEA-0183 compliant protocol
GPS Antenna :Build-in active high sensitivity antenna
Accuracy : 1-5m
Update rate : 1 HZ
Start time Cold start: 42s Warm start: 35s Hot start : 1s

Electrical:
Operating Voltage: 3.4-4.5V
Charge voltage: 4.5~5V
Standby :15mA
Operating :80mA
Battery Li-ion: 1100mAh
Stand-by time: 36hours

Packing:
Product Size: 68mm*47mm*17mm
Weight :55g(including battery)
Carton Size: 53cm*38cm*47cm(for 40pcs)
Weight: 12KG