energous VN25 User manual

User Manual and User Information Model VN25 V1.0.
User Manual and User Information
Model VN25
Energous Corporation
3590 North First Street
Suite 210
San Jose, CA 95134
U.S.A.
http://www.energous.com
Tel: [phone]
© Copyright 2021 Energous Corporation. Energous, the Energous Logo, WattUp, and other
designated brands included herein are trademarks of Energous in the United States and other
countries. All other trademarks are the property of their respective owners.
THE SPECIFICATIONS AND INFORMATION REGARDING THE PRODUCTS IN THIS MANUAL
ARE SUBJECT TO CHANGE WITHOUT NOTICE. ALL STATEMENTS, INFORMATION, AND
RECOMMENDATIONS IN THIS MANUAL ARE BELIEVED TO BE ACCURATE BUT ARE
PRESENTED WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED. USERS MUST
TAKE FULL RESPONSIBILITY FOR THEIR APPLICATION OF ANY PRODUCTS. THE
SOFTWARE LICENSE AND LIMITED WARRANTY FOR THE ACCOMPANYING PRODUCT ARE
SET FORTH IN THE INFORMATION PACKET THAT SHIPPED WITH THE PRODUCT AND ARE
INCORPORATED HEREIN BY THIS REFERENCE. IF YOU ARE UNABLE TO LOCATE THE
SOFTWARE LICENSE OR LIMITED WARRANTY, CONTACT YOUR ENERGOUS
REPRESENTATIVE FOR A COPY.
1. Intended Use
The purpose of the VN25 RF wireless charger is to charge Tag/Receiver outfitted with the proprietary
Energous energy receiving circuit. The VN25 wireless charger can only be used in conjunction with
devices that contain the receiving circuits for charging the receiver with and without battery. The VN25
transmitter is intended to mount on ceiling or side wall and Tags will be mounted on shelf for product
information.
This device is intended to be indoor use only.

User Manual and User Information Model VN25 V1.0.
2. User Operation
The VN25 does not contain a power switch. Simply connect the mini-USB cable end to the VN25
Charger and the USB-C cable end to the wall adapter power supply.
The Smart tags could be shelf-mounted, attached to a paper label, box, cup, wall or affixed to similar
containers. VN25 charger will transmit and charge the tags when turn on. The equipment will commence
charging within a few seconds. Consult the Tag’s user manual for the time duration and procedures for
charging.
Standard operating environmental temp 0-40deg C
5-95% Relative Humidity
3048m or 10,000’ altitude
3. Radio Characteristics:
The VN25 transmitter nominal frequency is: 917.2MHz- 918.8MHz.
The VN25 transmitter conducted average output power is: 0.998 Watts
The BLE transmitter (VN25) operating frequency: 2402 – 2480MHz
The BLE transmitter (VN25) max peak output power: 0.076 Watts
The MSK transmitter (VN25) operating frequency: 2402 – 2480MHz
The MSK transmitter (VN25) max peak output power: 0.1 Watts
4. Mini USB Port
Insert the designated cable at the USB-C port of the Energous VN25 RF wireless charger and also into
the type A USB port of the electrical AC wall power supply adapter to connect the Energous Charger.
5. Packaging contents
VN25 WattUp WPT Charger
AC/DC Power supply with cable
User Manual and User Information

User Manual and User Information Model VN25 V1.0.
6. FCC Regulatory Information
FCC ID: 2ADNG-VN25 Model: VN25
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions:
(1) This device may not cause harmful interference, and (2) This device must accept any interference
received, including interference that may cause undesired operation.
Note: This equipment has been tested and found to comply with the limits for a Class B digital device,
pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against
harmful interference in a residential installation. This equipment generates, uses and can radiate radio
frequency energy and, if not installed and used in accordance with the instructions, may cause harmful
interference to radio communications. However, there is no guarantee that interference will not occur in a
particular installation. If this equipment does cause harmful interference to radio or television reception,
which can be determined by turning the equipment off and on, the user is encouraged to try to correct the
interference by one or more of the following measures:
• Reorient or relocate the equipment being interfered with.
• Increase the separation between the charger and the equipment subject to interference.
• Connect the equipment into an outlet on a circuit different from that to which the charger is
connected.
• Consult the dealer or an experienced radio/TV/electronics technician for help.
CAUTION: Changes or modifications to this unit not expressly approved by the party responsible for
compliance could void the user’s authority to operate the equipment.
8. RF Exposure Notice
VN25 RF wireless charger complies with FCC RF radiation exposure limits for an uncontrolled
environment in accordance with FCC Rule Part 2.1093. The Wireless charger transmitter is designed to be
installed on the ceiling or on a side wall and must be installed accordingly to ensure a minimum 20cm
separation distance from persons.