Certification Record
- Bi-directional Amplifier for Distributed Antenna System (DAS)
- Model Nos.:
- Air Master unit: VL-AMUAA-B-PS-C(CCC)-DE-FG-HI-(JJJ)
- Remote unit: VL-RUAA-B-PS-C(CCC)-DE-FG-HI-(JJJ)
The following denotes the specific model nomenclature as indicated in the Product Covered.
VL-AMU and VL-RU Model Numbers: AMUAA-B-PS-C(CCC)-DE-FG-HI-(JJJ) and RUAA-B-PS-C(CCC)-DE-FG-HI-(JJJ) where:
AA: Unit RF Power
33 = 2 Watts
37 = 5 Watts
B: Number of Bands
1 = Single Band
2 = Dual Band
3 = Tri Band
PS: Band Country
PS = North America
C: Band Frequency
A = 700 MHz
B = 800 MHz
G = 450 MHz
D: has the following meaning:
2 = Type 2 (Enclosure Model 071-0001, UL File E524153, Issued 2023-03-31)
7 = Type 7 (Enclosure Model 071-0004, UL File E524153 Volume 2, Issued 2025-02-28
E: NFPA Compliant
1 = NFPA Compliant
F: Connectors towards an Antenna
1 = 1 connector towards antenna
2 = 2 connectors towards antenna
3 = 3 connectors towards antenna
4 = 4 connectors towards antenna
8 = 8 connectors towards antenna
G: Antenna Connector Type:
N = N-type Antenna connector (Standard)
H: Unit Input Power
D = DC 48V powered unit
I: Optical Bypass Option
0 = No Optical Bypass
B = Internal Optical Bypass
JJJ: Configuration Numerical Counter:
Numeric counter used for special versions of a product unique to a customer. This may include SFP type, Mux and Splitter information. This is used to capture unforeseen product customer requirements.
1 = 32 channels
2 = 64 channels
- Ratings: 48Vdc input voltage, 5.5A input current, 3W / 5W RF power, tri band, 400/700/800 MHz band
| Primary Power Source | Input Voltage, V dc | 48 |
| Operating Voltage for compatibility, Vdc | 40.8 – 52.8 | |
| Input Frequency, Hz | N/A | |
| Input Current, A | 5.5 (265 W) | |
| Supervised # | Yes | |
| Power Limited # | No |
# – Requires separately UL 2524 approved power supply
| Trouble Contacts
(6 total) |
Dry Contact Voltage, V dc | 30 |
| Dry Contact Current, A resistive | 2 | |
| Restricted to 30 m (98.5 ft) long | No | |
| Optical Fiber Network | Supervised | Yes |
| Wavelength, nm | 1270 and 1330 | |
| Max optical Loss | 12 dBo(10km) |
Nominal Frequency Ranges:
| Models VL-AMU and VL-RU | Frequency Range |
| 400 Band | Downlink: 400-425MHz
Uplink: 405-430MHz Bandwidth: 25 MHz |
| 700 Band | Downlink: 758-775MHz
Uplink: 788-805MHz Bandwidth: 17 MHz |
| 800 Band | Downlink: 851-869MHz
Uplink: 806-824MHz Bandwidth: 18 MHz |
Propagation Delay:
| Models VL-AMU and VL-RU | Delay, µs |
| 400 Band | 66 μsec for 12.5kHz filter
62 μsec for 25kHz filter |
| 700 Band | 66 μsec for 12.5kHz filter
62 μsec for 25kHz filter |
| 800 Band | 66 μsec for 12.5kHz filter
62 μsec for 25kHz filter |
Maximum RF Power:
| Model | RF Power, W |
| VL-AMU | 2, 5 |
| VL-RU | 2, 5 |
- ANSI / CAN / UL 2524:2024, Edition 3
These products are to be installed in accordance with the following:
- International Fire Code (IFC)
- NFPA 1 Fire Code
- NFPA 70 National Electrical Code
- NFPA 72 National Fire Alarm and Signaling Code
- NFPA 1221 Installation, Maintenance, and Use of Emergency Services Communications Systems
- NFPA 1225 Emergency Services Communications
Openings are provided on the unit so that the field wiring may be run in conduit if required by the local authority having jurisdiction.
All field wiring connections are intended to be made at the installation wiring terminals provided as part of the unit.
The field wiring circuits are rated as follows: 48 Vdc Input Power
Installation Instructions – The installation instructions indicated below shall be shipped with the indicated product.
| Installation Instructions | ||
| Models | Doc. Part No. | Rev Level / Date |
| `All VL-AMU, VL-RU | AW_PJP_230501 | 11 / November 12, 2025 |
General Note:
- Project no.: 25-5570
- LC Listing Report no.: 10.00.25-5570-1_Rev.0
- LC Certificate no.: LC25-5770-1
