# 3GPP TS 38.521-1
* 5G NR Comformance specification
* Radio transmission and reception
* part 1 : Range 1 standalone
* Rel-15
## Information
* CA -- Carrier Aggregation
* DC -- Dual Connectivity
* SUL - Supplement Uplink
* UL MIMO
## Operating bands and Channel arrangement
### General
* FR1
450 MHz - 6 GHz
* FR2
24.25 GHz - 52.6 GHz
### Operating bands
* NR is designed for FR1
### Operating bands for CA
Intra-band CA
* CA_n77
* CA_n78
* CA_n79
Inter-band CA
* CA_n3-n77
* CA_n3-n78
* CA_n3-n79
* CA_n8A-n75A
* CA_n8-n78
* CA_n8-n79
* CA_n28-n75
* CA_n28-n78
* CA_n41-n78
* CA_n75-n78
* CA_n77-n79
* CA_n78-n79
### Operating bands for DC
all FR1
### Operating bands combination for SUL
* SUL_n78-n80
* SUL_n78-n81
* SUL_n78-n82
* SUL_n78-n83
* SUL_n78-n84
* SUL_n78-n86
* SUL_n79-n80
* SUL_n79-n81
## UE channel bandwidth