Same product family
Nokia
AHPMDD
What it does: Radio transmission / reception. Operating RF bands / ranges: B8; n8; B20; n20; B28; n28.
1 part number: 475707A
Viewing: model overview
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Main specifications
TechnologiesB8/n8: GSM, WCDMA, LTE, NR B20/B28 (n20/n28): LTE, NR
Uplink frequencyB8/n8: 880–915 MHz B20/n20: 832–862 MHz B28/n28: 703–733 MHz
Downlink frequencyB8/n8: 925–960 MHz B20/n20: 791–821 MHz B28/n28: 758–788 MHz
TX / RX modesB8/n8: 2T4R B20/n20: 2T4R B28/n28: 2T4R
RF output power320 W
Interfaces / connectorsDC IN 1 High power circular; ANT 4 4.3-10+; RET 1 8-pin circular; EAC 1 MDR26; OPT 2 SFP+; GND 1 M8 or 2 x M5 screws; FAN 1 Nokia fan
Interfaces and data ratesDC IN 1 High power circular Supports grounding for shielded cables; APPB, APPC; ANT 4 4.3-10+ AISG on each antenna connector Has features that prevent damage when mating with a 4.1-9.5 connector is attempted; RET 1 8-pin circular RS-485; EAC 1 MDR26 4 alarm inputs and 1 control output; OPT 2 SFP+ Up to 9.8 Gbps (CPRI7); Nokia IP seal; GND 1 M8 or 2 x M5 screws; FAN 1 Nokia fan Located on the heat sink side
Power supplyNominal power supply: –48.0 V DC; Operating range: –40.5 V DC to –57.0 V DC; Extended range: –36.0 V DC to –40.5 V DC; –57.0 V DC to –60.0 V DC
FamilyAirScale
Installation environmentOutdoor
IP ratingIP65
Additional technical information
- Dimensions
- Height: With mounting bracket and fan unit: 673 mm (26.50 in.); Width: With side mounting bosses: 327 mm (12.87 in.); Depth: With mounting bracket and fan unit: 185 mm (7.28 in.)
- Weight
- With mounting bracket and fan unit: 31.3 kg (69.0 lb)
- Bandwidth
- iBW/oBW: B8/n8 35 MHz; B20/n20 and B28/n28 30 MHz. Channel LTE: B8 1.4/3/5/10 MHz; B20 5/10/15/20 MHz; B28 3/5/10/15/20 MHz. NR 5/10/15/20 MHz. NB-IoT in B8/B20/B28
- Capacity
- Per path: B8/n8 — up to 2 carriers; B20/n20 — up to 3; B28/n28 — up to 3
- Synchronization
- Synchronization from system module via CPRI
- Chassis
- Remote radio unit housing RRH
- Modules
- Optional modules: APAM AirScale AC-DC power unit 2300 W (475766A)
- Functional role
- Remote radio transceiver unit
- Architecture
- Separate radio unit with optical fronthaul and external antenna connectors
- Subtype
- RRH
- Details
- Min.. operating temperature: –40°C (–40°F); Max.. operating temperature: 55°C (131°F); Cooling: forced (fan)
- Installation conditions
- Mast; wall
- Connection notes
- Power supply; antenna system; RET antennas; baseband unit via optical fibre
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