DK-GM-00-1.0 SkyeTek, DK-GM-00-1.0 Datasheet - Page 36

• Manufacturer Part Number: DK-GM-00-1.0
• Description: RF Development Tools Gemini Full Dev Kit ISO14443, ISO18093
• Manufacturer: SkyeTek
• Type: RF Readersr

Specifications of DK-GM-00-1.0

• Rohs: yes
• Product: Development Kits
• Tool Is For Evaluation Of: ISO14443, ISO18092
• Frequency: 13.56 MHz
• Operating Supply Voltage: 5 V
• Description/function: Development kit for SkyeModule Gemini NFC OEM reader module
• Interface Type: I2C, Serial, SPI, USB
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 20 C
• For Use With: ISO14443, ISO18092

SkyeModule Gemini Datasheet
Page
| 36
12 SkyeModule Gemini Antenna Options
The SkyeModule Gemini is designed to use on-board antenna, but can easily be modified to use a
SkyeTek off the shelf 13.56MHz external antenna or a custom designed external antenna. The
SkyeModule Gemini comes standard (version SM-GM-00) with resistors R20 and R21 populated to
connect the internal antenna. The Gemini can be special ordered without these parts or they can be
removed with soldering tools. See section 6.3, External Antenna Connector Pin Mapping for more
information.
Internal Antenna
- The SkyeModule Gemini comes standard (version SM-GM-00) with the internal
antenna connected. The internal antenna is a PCB trace antenna on the bottom side of the circuit board.
This is the most common configuration for the module.
SkyeTek External Antenna
- The SkyeTek designed external antennas can be connected to the Gemini
module via three connections (TX1, TX2, and GND). This is typically done with a three wire cable
assembly that is soldered to both boards or with any three pin 0.1” through hole connectors. The
antenna manufacturing files are freely available on the SkyeTek support site at
support.skyetek.com
if
you’d like to have them built yourself. They can also be purchased from SkyeTek or a certified reseller.
See the
skyetek.com/howtobuy
page for more info.
Custom External Antenna
- If a custom size or form factor antenna is required, the
Gemini External
Antenna Design Application Note
can assist with design. SkyeTek also offers professional services for
custom antenna design. Contact
[e-mail]
for more information.
NOTE
– Read range depends on antenna choice and operating environment. Range can vary widely,
depending on your choice of tag inlay and antenna gain. See section 9.2, Range Specifications for
expected range performance with different antennas.
Skyetek Inc
1525 Market St. Ste 200
Denver, CO 80202
Main 720.328.3425 Fax:[phone]
www.skyetek.com