Do AR routers support the dual SIM card function

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The LTE Celluar interface (interface number: Cellular 0/0/0) of the following models supports the dual SIM card function: AR109GW-L, AR121GW-L, AR129GW-L, AR129CGVW-L, AR161FG-L, AR169FGW-L, AR169FGVW-L, AR169G-L, AR161G-L, AR503GW-LM7, AR503GW-LcM7, AR503EW, AR503EDGW-Lc, AR509CG-Lt, AR509CG-Lc, AR515GW-LM9-D, AR509G-L-D-H, AR509G-Lc, AR511GW-LAV2M3, AR511CGW-LAV2M3, AR511GW-LM7, AR511GW-L-B3, AR161FGW-La, and AR161FGW-L.

Other related questions:
Do AR routers support dual SIM cards in being configured as active and backup links
AR routers support the dual SIM cards in being configured as the active and backup links that are connected to different LTE networks. The active SIM card is used for communications in general. If the RSSI of the main SIM card is lower than the threshold, the traffic switches over to the backup SIM card. When the RSSI of the active SIM card is higher than the threshold, the traffic switches over from the backup SIM card to the active SIM card.

How to AR routers support E1/T1 cards
E1/T1 cards that AR routers support are described as follows: 1. 1E1T1-M/2E1T1-M/4E1T1-M/8E1T1-M equipped with 1 interface or /2/4/8 interfaces support the switching use of E1 and T1. Cards equipped with 4 or 8 interfaces do not support T1 currently. - Cards equipped with 1 interface or 2 interfaces use the DB9 female connector interface and support E1/CE1/CT1/PRI(E1&T1) modes. - Cards equipped with 4/8 interfaces use the RJ45 interface and support E1/CE1/PRI(E1) modes. 2. 1E1T1-F/2E1T1-F/4E1T1-F/8E1T1-F equipped with 1 interface or /2/4/8 interfaces support the switching use of E1 and T1. Cards equipped with 4 or 8 interfaces do not support T1 currently. - Cards equipped with 1 interface or 2 interfaces use the DB9 female connector interface and support E1 (framed and unframed) and T1 modes. - Cards equipped with 4/8 interfaces use the RJ45 interface and support E1 (framed and unframed) mode. 3. 4E1-IMA, which is used on ATM networks, demultiplexes an aggregate ATM cell flow into multiple lower-speed E1 links, and multiplexes the E1 links on the far end to restore the original aggregate ATM cell flow.

Do AR routers support inter-card MP
In V200R005 and earlier versions: The devices do not support inter-card MP. In V200R006 and later versions: The devices support only the MP across interface cards of the same type. 1STM1, 1STM4, 4STM1, 1CPOS-155M, and 1CPOS-155M-W interface cards do not support inter-card MP. 1SA/2SA/8SA, 1E1/T1-M, 2E1/T1-M, 4E1/T1-M, 8E1/T1-M, 1E3/CE3/T3/CT3, 1E1/T1-F, 2E1/T1-F, 4E1/T1-F, 8E1/T1-F, and 1BST interface cards support inter-card MP.

Does an AR router support the firewall function
All AR series routers support the firewall function.

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