WLA.10 Equivalent & Substitute Parts Reference

Part Overview

The WLA.10 is a multi-band chip RF antenna manufactured by Taoglas Limited, designed for simultaneous operation across GPS, Bluetooth, Wi-Fi, WLAN, and Zigbee™ applications. This tri-band antenna operates at 1.575GHz, 2.4GHz, and 5.5GHz frequency centers with a gain of 1.8dBi and maximum power handling of 2W. The part is currently in active production status with ROHS3 compliance and is available in surface mount packaging.

Substitute parts are identified when equivalent electrical performance can be maintained within the specified frequency bands, antenna type, mounting configuration, and termination method, while meeting the same compliance standards.

Key Parameters

Parameter	WLA.10 Specification
Manufacturer	Taoglas Limited
Antenna Type	Chip
Frequency Bands	3 (1.575GHz, 2.4GHz, 5.5GHz)
Frequency Range	1.575GHz, 2.4GHz ~ 2.5GHz, 5.15GHz ~ 5.85GHz
Gain	1.8dBi
Return Loss	-10dB
Power - Max	2W
Mounting Type	Surface Mount
Termination	Solder
Height (Max)	0.020" (0.50mm)
Packaging	Tape & Reel (TR)
RoHS Status	ROHS3 Compliant
MSL Rating	3 (168 Hours)
Product Status	Active

Substitute Part Grouping Explanation

Substitute parts for the WLA.10 are evaluated based on the following critical parameters that determine functional equivalence:

Primary Substitution Criteria:

Antenna type (Chip configuration)
Mounting method (Surface Mount)
Termination type (Solder)
Frequency band coverage (minimum 2.4GHz and 5.5GHz overlap required)
Packaging format (Tape & Reel)
Compliance certifications (ROHS3, REACH Unaffected, EAR99)
Product status (Active)

The identified substitute parts operate within the 2.4GHz and 5.5GHz frequency bands, which represent the primary operational frequencies for Wi-Fi and ISM applications. While the WLA.10 includes GPS capability at 1.575GHz, the substitute parts maintain coverage of the dominant frequency bands required for wireless connectivity applications.

Parameter Comparison

Parameter	WLA.10 (Taoglas)	ANT3216A063R2455A (Pulse)	ANT3216LL11R2455A (Pulse)
Manufacturer	Taoglas Limited	Pulse Electronics	Pulse Electronics
Antenna Type	Chip	Chip	Chip
Frequency (Center/Band)	1.575GHz, 2.4GHz, 5.5GHz	2.45GHz, 5.5GHz	2.45GHz, 5.5GHz
Number of Bands	3	2	2
Gain	1.8dBi	1.59dBi, 2.23dBi	0.45dBi, 0.64dBi
Return Loss	-10dB	10dB	6.5dB
Power - Max	2W	1W	1W
Mounting Type	Surface Mount	Surface Mount	Surface Mount
Termination	Solder	Solder	Solder
Height (Max)	0.020" (0.50mm)	0.022" (0.55mm)	0.047" (1.20mm)
Packaging	Tape & Reel (TR)	Tape & Reel (TR)	Tape & Reel (TR)
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
MSL Rating	3 (168 Hours)	1 (Unlimited)	1 (Unlimited)
Product Status	Active	Active	Active
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected
ECCN	EAR99	EAR99	EAR99

Engineering Selection Recommendations

ANT3216A063R2455A (Pulse Electronics) provides the closest electrical performance match to the WLA.10 within the 2.4GHz and 5.5GHz bands. This part maintains comparable gain characteristics (1.59dBi and 2.23dBi across bands) and return loss performance (10dB). The maximum height of 0.022" (0.55mm) is marginally taller than the WLA.10 but remains suitable for standard surface mount assembly. Power handling is reduced to 1W, which may be a limiting factor in high-power transmission applications. MSL rating of 1 provides superior moisture protection compared to the WLA.10's MSL 3 rating.

ANT3216LL11R2455A (Pulse Electronics) operates in the same frequency bands but exhibits significantly lower gain (0.45dBi and 0.64dBi) and return loss (6.5dB). The increased height of 0.047" (1.20mm) may present PCB layout constraints in space-limited designs. This part is suitable for applications where gain and return loss performance are less critical. MSL rating of 1 provides superior moisture protection.

Both substitute parts maintain ROHS3 compliance, REACH Unaffected status, and EAR99 classification, ensuring regulatory equivalence with the WLA.10. Both are in active production status with established supply availability.

Frequently Asked Questions (FAQ)

Q: Can ANT3216A063R2455A directly replace WLA.10 in all applications?

A: ANT3216A063R2455A is suitable for applications requiring 2.4GHz and 5.5GHz coverage. If your design requires GPS functionality at 1.575GHz, this substitute does not provide that capability. Power handling is limited to 1W versus the WLA.10's 2W maximum.

Q: What is the impact of the height difference between WLA.10 and substitute parts?

A: WLA.10 has a maximum height of 0.020" (0.50mm). ANT3216A063R2455A is 0.022" (0.55mm), and ANT3216LL11R2455A is 0.047" (1.20mm). The ANT3216LL11R2455A height increase may require PCB layout modifications in designs with strict vertical clearance constraints.

Q: How do gain and return loss differences affect system performance?

A: The WLA.10 provides 1.8dBi gain with -10dB return loss. ANT3216A063R2455A offers 1.59dBi to 2.23dBi gain with 10dB return loss, providing comparable performance. ANT3216LL11R2455A has significantly lower gain (0.45dBi to 0.64dBi) and return loss (6.5dB), resulting in reduced antenna efficiency and increased signal reflection.

Q: Are there moisture sensitivity considerations when substituting?

A: WLA.10 has MSL 3 rating (168 hours maximum floor life). Both substitute parts have MSL 1 rating (unlimited floor life), providing superior moisture protection and extended handling flexibility.

Q: Do all parts meet the same regulatory requirements?

A: Yes. WLA.10, ANT3216A063R2455A, and ANT3216LL11R2455A are all ROHS3 compliant, REACH Unaffected, and classified as EAR99. All are in active production status.

Q: What applications are supported by each substitute part?

A: ANT3216A063R2455A supports ISM and Wi-Fi applications. ANT3216LL11R2455A supports 4G, 5G, Bluetooth, ISM, Wi-Fi, and Zigbee™ applications. WLA.10 supports Bluetooth, GPS, Wi-Fi, WLAN, and Zigbee™ applications.

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