#Product Trends
Industrial LTE 4G Dual SIM Router for failover
With dual SIM function, WL-R520L-d router could backup /Failover network between two SIM cards to ensure continual connection.
Normally, the Dual SIM is MUST for some financial, goverment project which request high reliability and security
The router can be also backword compatible with WCDMA/UMTS network if 4G single signle is not yet covered in some remote site.