WISILICA WIM1481 Compact Sized BLE 5.0 Module User Manual

WISILICA WIM1481 Compact Sized BLE 5.0 Module

Features

• BLE 5.0 based non-flooding intelligent mesh
• PWM/AIO/SPI/I2C/UART/IO interface options
• TX output power up to +10dBm
• 96dBm RX sensitivity
• 14 programmable GPIOs
• 6 PWM channels
• External antenna
• Compact form factor
• Zero downtime Over-the-Air (OTA) firmware updates
• FCC, CE, ISED certified
• RoHS2.0 compliant
• Max power:1±1

Block Diagram

Specifications

Electrical specifications

**RF specifications**

**ADC specifications**

**PWM specifications**

**Current specifications**

Environmental specifications

**Mechanical specifications**

**Certifications**

Module Dimensions

External antenna version (WIM1481E)

• Dimensions: 16.60 x 8.0 x 2.41 mm (with external antenna)
• Pitch: 1.33 mm
• Module pad dimensions: 0.737 x 0.698 mm

Chip antenna version (WIM1481C)

• Dimensions: 22.50 x 8.0 x 2.95 mm (with chip antenna)
• Pitch: 1.33 mm
• Module pad dimensions: 0.737 x 0.698 mm

Land Pattern Dimensions

All dimensions are in mm

WIM1481E WIM1481C

Design Recommendations

• Keep out enough area for the chip antenna.
• Avoid any routing under antenna area as shown in the below image.
• Better to place the module away from High frequency circuitry like other RF, and large components or metallic objects.
• All GND pins must be well grounded.
• The area around the module should be free of any ground planes, power planes, trace routings or metal for 6 mm from the module antenna position in all directions.
• Better not to route any traces underneath the module.
• The WIM1481 series modules contain highly sensitive electronic circuitry and are Electrostatic Sensitive Devices (ESD). Handling the WIM series modules without proper ESD protection may destroy or damage them permanently.

Antenna

External wire antenna – 37mm

37mm wire antenna

Antenna Properties

Frequency range| 2.4GHz-2.5GHz
Impedance| 50Ω Nominal
VSWR| 1.92:1 Max
Return loss| -10dB Max
Gain (Peak)| 2dBi
Cable loss| 0.3dBi Max

External wire antenna – 150mm

150mm wire antenna

Antenna Properties

Frequency range| 2.4 GHz-2.5GHz
Impedance| 50 Ω Nominal
VSWR| 1.92:1 Max
Return loss| -10 dB Max
Gain(peak)| 1.5 dBi
Cable loss| 0.3 dBi Max
Polarization| Linear

External wire antenna – 600mm

600mm wire antenna

Antenna Properties

Frequency range| 2.4GHz-2.5GHz
Impedance| 50Ω Nominal
VSWR| ≤ 1.3
Gain (Peak)| 3dBi

Stick antenna

Stick antenna

Antenna Properties

Frequency range| 2.4GHz-2.5GHz
Impedance| 50Ω Nominal
VSWR| 1.92:1 Max
Return loss| -10dB Max
Gain (Peak)| 2dBi
Cable loss| 0.3dBi Max
Polarization| Linear Vertical

Chip antenna

Chip antenna

Antenna Properties

Frequency range| 2.4 GHz-2.5 GHz
Impedance| 50 Ω
Peak Gain| 1.7 dBi
VSWR| <2:1
Radiation pattern| Omnidirectional
Polarization| Linear

Pinout Details

Soldering Information

Leadfree reflow soldering

Do not exceed peak temperature (Tp) of 242°C. Time at maximum temperature is 27 seconds. After reflow soldering, optical inspection of the module is recommended to verify proper alignment. Hand soldering is also possible.

Cleaning
In general, cleaning the populated modules is strongly discouraged. Residuals under the module cannot be easily removed with any cleaning process.

1. Cleaning with water can lead to capillary effects where water is absorbed into the gap between the host board and the module. The combination of soldering flux residuals and encapsulated water could lead to short circuits between neighboring pads. Water could also damage any stickers or labels.
2. Cleaning with alcohol or a similar organic solvent will likely flood soldering flux residuals into the RF shield, which is not accessible for post-washing inspection. The solvent could also damage any stickers or labels.

Packaging Information

Tape Dimensions

All dimensions are in mm

Direction of Feed Reel Information A full reel can hold 1000 modules and weighs approximately 1100 gm (including the modules). The module antennas are packed separately and supplied along with the modules.

Please note:

1. Tape material: Conductive Polystyrene; Black; 0.4mm thickness
2. All tape and sprocket hole dimensioning are as per EIA-481 unless otherwise stated
3. Order volume less than a full reel will be supplied on cut tape (without a reel)

Packaging hierarchy

Ordering Information

Product code| Communication| Voltage Rating| Analog Channel I/O| PWM I/O| Serial Interface| Antenna| Dimensions (mm)
---|---|---|---|---|---|---|---
WIM1481C| BLE 5.0| 3.0V DC| 4 AIO| 6Channels| UART/SPI/12C| Chip| 22.50 x 8.0 x 2.95
WIM1481E| BLE 5.0| 3.0V DC| 4 AIO| 6Channels| UART/SPI/12C| External| 16.60 x 8.0 x 2.41

Precautions

• While integrating module, make sure all the pads are soldered properly.
• Please use a voltage regulator if the power supply is above the max ratings.
• For best wireless signals, please avoid packing the antenna close to metal parts or cases.
• Stresses above the listed maximum ratings may cause permanent damage to the device.

FCC Statement

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.

Changes or modifications not expressly approved by the party responsible for compliance could void the user’ s authority to operate the equipment.
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 a nd, 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 t he following measures:

• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help important announcement Important Note:

Radiation Exposure Statement
This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 20cm between the radiator and your body.
This transmitter must not be co-located or operating in conjunction wit h any other antenna or transmitter. Country Code selection feature to be disabled for products marketed to the US/Canada .
This device is intended only for OEM integrators under the following conditions:

1. The antenna must be installed such that 20cm is maintained between the antenna and users, and
2. The transmitter module may not be co-located with any other transmitter or antenna,

Important Note:
In the event that these conditions cannot be met (for example certain laptop configurations or co-location with another transmitter), then the FCC authorization is no longer considered valid and the FCC ID cannot be used on the final product. In these circumstances, the OEM integrator will be responsible for re-evaluating the end product (including the transmitter) and obtaining a separate FCC authorization.

End Product Labeling
The final end product must be labeled in a visible area with the following” Contains FCC ID: 2AG4N -WIM1481″

Manual Information to the End User
The OEM integrator has to be aware not to provide information to the end user regarding how to install or remove this RF module in the user’s manual of the end product which integrates this module.
The end user manual shall include all required regulatory information/warning as show in this manual.

ISED Statement

This device complies with Industry Canada license‐exempt RSS standard(s). Operation is subject to the following two conditions:

1. This device may not cause interference, and
2. This device must accept any interference, including interference that may cause undesired operation of the device.

The digital apparatus complies with Canadian CAN ICES‐3 (B)/NMB‐3(B).

This device meets the exemption from the routine evaluation limits in section 2.5 of RSS 102 and compliance with RSS 102 RF exposure, users can obtain Canadian information on RF exposure and compliance.

This equipment complies with Canada radiation exposure limits set forth for an uncontrolled environment.

This equipment should be installed and operated with minimum distance 20cm between the radiator & your body.

ISED Modular Usage Statement

NOTE 1: When the ISED certification number is not visible when the module is installed inside another device, then the outside of the device into which the module is installed must also display a label referring to the enclosed module. This exterior label can use the wording ”Contains transmitter module IC: 25222-WIM1481” or “Contains IC: 25222-WIM1481”.

WISILICA
CONNECTING THINGS TO LIFE

23282 Mill Creek Dr #340, Laguna Hills
CA 92653, USA

Version 1.0

www.wisilica.com

Sales@wisilica.com

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