China Aerospace Telecommunications Ltd
15
Network communication protocol: embedded TCP/IP protocol stack, support TCP/IP
Receiving sensitivity: <-106dBm
Max sending power: GT850MHz Class4(2W)
，
GSM1900MHz Class1(1W)
GPRS multi-channel level: GPRS CLASS 10
Compatible communication protocol: GSM/GPRS Phase2/2+
GPRS mobile location level: Class B
GSM antenna and interface: external antenna, SMA interface
Antenna gain: 2dBi
5.1.4 GPS parameters
Receiver: 50 channel u-blox 5 engine GPS L1 C/A code
Support: WAAS, EGNOS, MSAS, GAGAN
Max update rate: 4 Hz
Accuracy:
Positioning: 2.5 m CEP
SBAS: 2.0 m CEP
Capture:
Cold start: 32 s
Hot start: 32 s
Auxiliary start: < 1 s
Sensitivity:
Tracking: -160 dBm
Re-capture: -160 dBm
Cold start: -143 dBm
A-GPS: support AssistNow Online and AssistNow Offline, under OMA SUPL specification
Operating restrictions:
Speed: 500 m/s (972 knots)
Height: 50,000 m
Antenna: external active antenna, SMA interface
Antenna gain: 28dBi
5.2 Mechanical specification
Sheathing material: Aluminum alloy
Main unit size: 230mm (W)*68mm (H)*230mm (L)
Main unit weight: Approx. 400g
