© 2017 Connected Holdings LLC
5
/
9
LED’s
Two LED status indicators are provided to verify correct installation and operation.
UART
A UART port is provided for AT command and data interaction and optionally for application
specific control.
Relay Driver
A 500mA sink capable output pin is provided. This pin is meant to drive a relay coil intended
to interrupt the starter solenoid relay for the ignition circuit to a car.
Battery Monitor
The battery monitor is internal analog input scaled such that the DC value of the power input
pin to the Arrow-L system is measured.
Watchdog
MDM9207-1 chipset provide internal software and hardware Watchdog.
Motion Detect
This function will work with firmware power down options to keep the Arrow-L in a very
low power down state until motion is detected. Upon wakening, a report can then be
generated.
2.2 Basic RF Performance
Items
Requirements
Remark
TRP free space
CTIA
TRP free space
TIS free space
CTIA
TIS free space
Board RF Specification
3G WCDMA
Band
Band2 / Band5
Rx Spec
Follow TS 34.121 Ch.6
Tx Spec
Follow TS 34.121 Ch.5
4G LTE Cat.1
Band
Band2 / Band4 / Band12
Rx Spec
Follow TS 36.521 Ch.7
Tx Spec
Follow TS 36.521 Ch.6
GPS
Frequency Support
L1-band (1.57542GHz)
Channels: 210 PRN
，
66 Search
，
22 Simultaneous
tracking
Sensitivity
Sensitivity (UHIS):
Tracking: -156dBm
