Appendix 2: Cellular Antenna Interface

ANT1

AIO

Antenna 1 interface:

1. Main role: Primary transceiver + downlink diversity

2. 5G NR:

   • TX0 / PRX: n41

   • TX1 / DRX: n77/n78/n79

   • TRX / DRX: Refarmed LB, MHB, UHB

3. LTE:

   • TX0 / PRX: MHB

   • TX1 / DRX: UHB

   • DRX: LB

4. WCDMA:

   • TRX: MB

   • DRX: LB

5. Frequencies:

   • LB (617–960 MHz), MHB (1452–2690 MHz), UHB (3400–3800 MHz),
     n77/n78 (3300–4200 MHz), n79 (4400–5000 MHz), LAA (5150–5925 MHz)

ANT2

AI

Antenna 2 interface:

1. Main role: RX MIMO diversity

2. 5G NR:

   • PRX MIMO: MHB, UHB

   • PRX MIMO: n41, n77/n78/n79

3. LTE:

   • PRX MIMO: MHB, UHB, LAA

ANT3

AIO

Antenna 3 interface:

1. Main role: Secondary uplink + MIMO RX

2. 5G NR:

   • TX1 / DRX MIMO: Refarmed LB, MHB

   • TX0 / PRX: UHB

   • TX1 / DRX MIMO: n41

   • TX0 / PRX: n77/n78/n79

3. LTE:

   • TX1 / DRX MIMO: MHB

   • TX0 / PRX: UHB

   • TRX: LB

4. WCDMA:

   • TRX: LB

   • DRX: MB

ANT4

AI

Antenna 4 interface:

1. Main role: 4x4 MIMO downlink support

2. 5G NR:

   • DRX MIMO: MHB, UHB

   • DRX: n41

   • DRX MIMO: n77/n78/n79

3. LTE:

   • DRX MIMO: MHB, UHB, LAA