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ANT-458-SP DATA SHEET
Product Dimensions
Description
1.10”
(27.94)
458-SP1
The Splatch uses a grounded-line
technique to achieve outstanding
performance from a tiny surface-
mount element. This unique antenna
is designed for hand- or reflow-
0.54”
(13.7)
458-SP1
mounting directly to a product’s circuit board. Its low cost makes
it ideal for volume applications. Unlike many compact antennas,
the Splatch exhibits good proximity performance, making it an
appropriate choice for handheld applications such as remote
controls, pagers, and alert devices.
0.06”
0.20”
Features
(1.5)
(5.1)
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Very low cost
Ultra-compact package
Direct PCB attachment
Ideal for concealed / internal mounting
Perfect for compact portable devices
Suitable for hand- or reflow-assembly
Resistant to proximity effects
Recommended Footprint
Electrical Specifications
0.10”
(2.5)
0.20”
(5.1)
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Center Freq.
Bandwidth
Wavelength
VSWR
Impedance
Connection
458MHz
8MHz
1/4-wave
<1.9 typ. at center
50 ohms
Surface-mount
0.08”
(2.0)
Recommended Mounting
Electrical specifications and plots measured on 1.50” x 3.30” reference ground plane
Ordering Information
? ANT-458-SP (supplied in tubes of 20 pieces)
VSWR Graph
S11 SWR
1.220
916-SP
1 1 GROUNDED LINE PLANAR ANTENNA
No ground plane or traces
under the antenna
PCB pads for the Splatch
Vias to ground plane
Ground plane on bottom
layer for counterpoise
50-ohm microstrip line
CENTER 458.000MHz
S PAN 75.000MHz
Typical VSWR
Antenna Factor 159 Ort Lane Merlin, OR 97532 www.antennafactor.com
541-956-0931 (phone) 541-471-6251 (fax)
Rev 11-11-08
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