For an IOT product we have choosen HL7800,& later we would like to replace with HL7802.we gone through all the pdf documents available for this module.but we are last in getting a clear understanding in following points.
we are planning to use Embedded sim feature. what is the ordering part number .what is the difference between HL7800 & HL7800-M.
if we choose Embedded sim, can we remove the external SIM slot? or can we use external Sim along with embedded sim, just in case if in some areas no coverage of particular network operator?
3.what are the minimum IO lines or pins which are required to hook up to the external MCU like, UART1 RX& TX pins, Wakeup,PowerON/OFF,Reset like that, what is the minimal configuration. …we dont need any GPIO/or voice support/ADC
we need to use GPS also. what are the IOs we need to connect to hos MCU?
can we power Vbat & Vbat_PA directly to a LiPo battery pack of 300maH, with our regulator circuits /booster circuits?
our enclosure is so small ,such that we cant use any PCB antenna,or External Felexible PCb antennas… we would like to go with Chip antenna, help is find any chip antenna which works with HL7800 , wide band. also with GPS feature on antenna,so i need to connect GPS as well as LTE to same chip antenna. just in case if such antennas not available, atleast suggest us seperate chip antennas for LTE & GPS. …also provide any schematics or documents to understand the schematics from module & antenna placing instructions…i feel like this information is missing in documents provided
we are in finalization stage of component selection for a big project,so any support from the company will be appreciated.Thank you