Ubiquiti UA-G3-PRO-B vs Speco Technologies APCR35L: Specification Comparison
Both the Ubiquiti UA-G3-PRO-B and Speco Technologies APCR35L are wall-mount access control readers designed for credential verification at doors and entry points. The UA-G3-PRO-B is an NFC reader tightly coupled to the UniFi Access ecosystem, powered via PoE. The APCR35L is a dual-technology reader combining 125 kHz proximity cards with Bluetooth Low Energy mobile credentials, outputting Wiegand 26-bit to panel-agnostic controllers. Installers evaluating a reader upgrade or new deployment will cross-shop these on credential technology, environmental ratings, power method, and system integration approach.
In This Guide
- What credential technologies and read ranges does each reader support?
- How do the two readers compare on environmental protection, operating temperature, and power method?
- What are the integration dependencies, certifications, and panel compatibility differences?
- Which should you choose: the UA-G3-PRO-B or the APCR35L?
- Side-by-Side Specs
- FAQ
What credential technologies and read ranges does each reader support?
The UA-G3-PRO-B supports NFC (card and keyfob) credential access. Specific read range in centimeters or inches is not stated in the provided specifications.
The APCR35L is a dual-technology reader: it reads 125 kHz contactless proximity cards at up to 4 inches and accepts Bluetooth Low Energy (BLE) mobile smartphone credentials at up to 15 feet. This 15-foot BLE envelope enables hands-free and long-range mobile access scenarios that the UA-G3-PRO-B's NFC technology—which requires near-contact presentation—does not support.
For deployments where mobile credentials or hands-free entry are a priority, the APCR35L's BLE capability is a material differentiator. For deployments standardized on NFC cards or keyfobs within the UniFi ecosystem, the UA-G3-PRO-B covers that use case directly.
How do the two readers compare on environmental protection, operating temperature, and power method?
The UA-G3-PRO-B is rated for indoor/outdoor use with a specified operating range of −10 °C to 45 °C (14 °F to 113 °F). No IP ingress-protection rating is listed in the provided specifications. It is powered via PoE 802.3af at 48 V DC, consuming 6 W, which eliminates a dedicated low-voltage power run at the reader location. The enclosure is polycarbonate and glass.
The APCR35L carries an IP67 rating, confirming protection against dust ingress and temporary submersion to 1 meter for 30 minutes. Its operating temperature range is −35 °C to +66 °C (−31 °F to 150 °F) per one specification field, and −40 °C to +65 °C per a second field in the provided data. It is powered by 12 V DC; no PoE input is listed.
The APCR35L's IP67 rating and wider cold-temperature floor (−35 °C / −40 °C vs. −10 °C) make it the stronger candidate for harsh outdoor environments, exposed facades, or cold-climate perimeter doors. The UA-G3-PRO-B's PoE power simplifies wiring infrastructure where Ethernet drops already exist.
What are the integration dependencies, certifications, and panel compatibility differences?
The UA-G3-PRO-B is designed exclusively for the Ubiquiti UniFi Access Control Ecosystem. It does not output a standard Wiegand or OSDP signal per the provided specifications, meaning it cannot be connected to third-party access control panels. Certifications listed are CE, FCC, IC, UL 294, and CAN/ULC-60839-11-1. It is confirmed NDAA Section 889 compliant.
The APCR35L outputs Wiegand 26-bit, the industry-standard protocol supported by virtually all access control panels from any manufacturer. This makes it panel-agnostic and retrofittable into existing installations. Certifications listed are FCC, CE, UL 294, and NDAA Section 889 Part B compliant. An ICC certification is also noted.
The integration dependency is the sharpest architectural divide between these two products. The UA-G3-PRO-B locks the buyer into the UniFi Access platform. The APCR35L integrates with any panel accepting Wiegand 26-bit input, including legacy systems already on-site. Both carry UL 294 and NDAA compliance.
The APCR35L also specifies a 3-year warranty. The UA-G3-PRO-B lists 'Manufacturer Warranty' without stating a duration in the provided specifications.
Which should you choose: the UA-G3-PRO-B or the APCR35L?
Our take: The APCR35L is the stronger choice when the installation requires panel-agnostic Wiegand integration, harsh outdoor environmental ratings, or mobile/BLE credential support. Key spec deltas: the APCR35L delivers IP67 sealed protection and a cold-floor rating of −35 °C versus the UA-G3-PRO-B's unrated enclosure and −10 °C floor; the APCR35L reads BLE mobile credentials at 15 feet versus NFC near-contact only on the UA-G3-PRO-B; and the APCR35L outputs Wiegand 26-bit for compatibility with any existing panel, while the UA-G3-PRO-B is exclusive to the UniFi Access ecosystem. Conversely, the UA-G3-PRO-B is the appropriate choice for greenfield or expanding UniFi Access deployments where PoE infrastructure is already present and unified cloud management through the UniFi controller is the operational requirement. Choose the UA-G3-PRO-B only if committing to the Ubiquiti platform; choose the APCR35L for open-architecture or retrofit scenarios.
Side-by-Side Comparison
Spec-for-spec, from manufacturer data.
| Specification | Ubiquiti UA-G3-PRO-B | Speco Technologies APCR35L |
|---|---|---|
| Credential Technology | NFC (card & keyfob) | 125 kHz proximity + BLE mobile |
| Mobile Credential Support | — | Yes (BLE, up to 15 ft) |
| Card Read Range | Not specified | Up to 4 in |
| BLE Read Range | — | Up to 15 ft |
| Output Protocol | UniFi proprietary (no Wiegand listed) | Wiegand 26-bit |
| Panel Compatibility | UniFi Access only | Any Wiegand-compatible panel |
| Power Method | PoE 802.3af (48 V DC) | 12 V DC |
| Power Consumption | 6 W | Not specified |
| IP Rating | Not specified | IP67 |
| Operating Temperature | −10 °C to 45 °C (14 °F to 113 °F) | −35 °C to +66 °C (−31 °F to 150 °F) |
| Mount Type | Wall / gang-box | Wall |
| Enclosure Material | Polycarbonate, glass | Not specified |
| Dimensions | 160 × 40.4 × 40.55 mm | Not specified |
| Certifications | CE, FCC, IC, UL 294, CAN/ULC-60839-11-1 | FCC, CE, UL 294, ICC, NDAA §889 Part B |
| NDAA §889 Compliant | Yes | Yes |
| Warranty | Manufacturer Warranty (duration not specified) | 3-year |
Frequently Asked Questions
Which should you choose: the UA-G3-PRO-B or the APCR35L?
The APCR35L is the stronger choice when the installation requires panel-agnostic Wiegand integration, harsh outdoor environmental ratings, or mobile/BLE credential support. Key spec deltas: the APCR35L delivers IP67 sealed protection and a cold-floor rating of −35 °C versus the UA-G3-PRO-B's unrated enclosure and −10 °C floor; the APCR35L reads BLE mobile credentials at 15 feet versus NFC near-contact only on the UA-G3-PRO-B; and the APCR35L outputs Wiegand 26-bit for compatibility with any existing panel, while the UA-G3-PRO-B is exclusive to the UniFi Access ecosystem. Conversely, the UA-G3-PRO-B is the appropriate choice for greenfield or expanding UniFi Access deployments where PoE infrastructure is already present and unified cloud management through the UniFi controller is the operational requirement. Choose the UA-G3-PRO-B only if committing to the Ubiquiti platform; choose the APCR35L for open-architecture or retrofit scenarios.
Can I connect the UA-G3-PRO-B or APCR35L to my existing third-party access control panel?
Only the APCR35L can connect to a third-party panel. It outputs standard Wiegand 26-bit, which is accepted by virtually all access control panels. The UA-G3-PRO-B is designed exclusively for the Ubiquiti UniFi Access ecosystem and does not list a Wiegand or OSDP output in its specifications, so it cannot be used with panels from other manufacturers.
Which reader is better suited for exterior doors in cold or wet climates?
The APCR35L is better suited for harsh exterior environments. It carries an IP67 rating (dust-tight, submersion-rated) and an operating temperature floor of −35 °C (−31 °F) per its specifications. The UA-G3-PRO-B does not list an IP rating in the provided specifications and has a stated lower operating limit of −10 °C (14 °F), making it less suitable for cold-climate or high-moisture perimeter applications.
Does either reader support smartphone or mobile credentials?
Yes — the APCR35L supports Bluetooth Low Energy (BLE) mobile credentials at a read range of up to 15 feet, in addition to 125 kHz proximity cards at up to 4 inches. The UA-G3-PRO-B supports NFC cards and keyfobs; no mobile credential or BLE capability is listed in its provided specifications.
More Access Control Reader Comparisons
- Ubiquiti UA-G3-PRO-W vs Axis A4612
- Ubiquiti UA-G3-PRO-W vs Axis 02909-001
- Ubiquiti UA-G3-PRO-W vs Speco Technologies APCR35L
- Ubiquiti UA-G3-PRO-W vs Camden CV-7600
- Ubiquiti UA-G3-PRO-W vs Ubiquiti UA-G3-PRO-B
- Ubiquiti UA-G3-PRO-B vs Axis A4612
Access Control Reader Buying Guides
Get a Second Opinion on Your Camera Choice
Share your site layout, coverage goals, and budget. Our team will validate the camera selection, flag anything we would change, and recommend products that match the use case.

