Camden CV-WTX2-H26 Two-Channel Wiegand Proximity Reader

The Camden CV-WTX2-H26 is a two-channel proximity reader designed for retrofitting legacy Wiegand-based access control systems and bridging hybrid environments where both Wiegand and OSDP protocols must coexist. It reads HID 125kHz proximity credentials (cards and key tags) and forwards credential data over dual-protocol output — essential when modernizing older door control panels without full system replacement. Operating at 16VDC with typical draw of 35 mA (75 mA peak), it integrates seamlessly into standard access control power supplies without oversizing requirements. The two-channel architecture enables multi-reader deployments to share a single panel input pair or split outputs across independent door zones, reducing panel port count and simplifying wiring in multi-door installations.

Key Features

• Dual-Protocol Output: Wiegand and OSDP support. Eliminates need for separate readers when integrating legacy panels with modern OSDP-capable controllers.
• HID 125kHz Proximity & AWID 34-bit Compatibility: Reads standard HID and AWID credentials. No vendor lock-in — works with existing card and key tag portfolios.
• Two-Channel Architecture: Dual independent reader outputs on a single device. Reduces wiring complexity and panel input requirements in multi-reader door clusters (vestibule + entry, corridor + emergency exit).
• 5–16VDC Operating Range (16VDC Recommended): Standard access control power supply voltage. 35 mA typical current draw keeps power infrastructure minimal. Read range stabilizes at 16VDC for consistent 8-inch credential sensing.
• Wall & Rack Mounting: Flexible installation — fits flush-mounted door reader housings or surface-mounted in control room racks for reader consolidation scenarios.
• 3-Year Manufacturer Warranty: Factory-backed coverage on device electronics and housing integrity.
• Shielded Cable Support: Designed for 24 AWG minimum stranded cable with foil shielding to mitigate EMI in high-RF environments (parking structures, industrial facilities near radio equipment).
• Extended Temperature Range: Operates across −35°C to +65°C ambient, suitable for outdoor reader enclosures and uncontrolled mechanical spaces.

The CV-WTX2-H26 solves a common integration headache: legacy Wiegand panels coexisting with OSDP-capable modern controllers. Rather than replacing the entire panel or running separate reader lines, a single CV-WTX2-H26 reads credentials and outputs both protocol streams simultaneously. This dual-output strategy is especially valuable in phased security upgrades, where you're adding OSDP-enabled doors while maintaining existing Wiegand zones. The two-channel design further multiplies flexibility — pair the same reader with two credential enrollment databases (separate door zones on the same panel) or use one channel as primary and one as backup.

Credential compatibility is broad within the 125kHz proximity ecosystem: HID 37-bit, HID FlexSmart, and AWID 34-bit cards and key tags all register reliably at the specified read range. The reader does NOT support magnetic stripe (ABA Track II), clock-and-data, or 13.56MHz high-frequency (HF) smartcards — confirm your existing credential inventory before deployment. If your facility has migrated to modern smartcards (Mifare, DESFire), you'll need a different reader class; the CV-WTX2-H26 is strictly 125kHz proximity.

Voltage and environment are the primary installation variables. At 16VDC, read range and protocol latency stabilize; below 12VDC, read range contracts incrementally. In high-RF locations (parking structures with radio systems, factories near broadcast antennas, data center RF shielding perimeters), use foil-shielded twisted-pair cable and route away from AC mains — standard practice, but worth confirming with your electrician because EMI can silently degrade read distance. Temperature range (−35°C to +65°C) covers outdoor reader enclosures, but condensation and freeze-thaw cycles require IP-rated housings; the reader itself is typically mounted inside a door-mounted reader box (not rated IP66 on its own). Power supply stability is critical — if your access control power supply experiences brownouts or sag below 10VDC, invest in a dedicated UPS module for the reader circuit.

The CV-WTX2-H26 integrates with any access control system accepting Wiegand or OSDP input: legacy HID, SALTO, Honeywell, and modern platforms (Johnson Controls Metasys, Genetec Synergis via OSDP bridge, Gallagher Command Centre). It carries 3-Year Manufacturer Warranty coverage on all electronics and housing, consistent with Camden's access control product line. For facilities in the early stages of OSDP migration or managing multi-generational reader hardware, this dual-protocol dual-channel reader compresses capex and wiring overhead while maintaining credential security and audit trail integrity.

Marty Allison

Perspective based on aggregated IP Security Depot and affiliated engineering team experience.

We've deployed the Camden CV-WTX2-H26 in dozens of retrofit and hybrid-protocol scenarios, and it remains one of the most practical bridging readers for facilities stuck between legacy Wiegand infrastructure and modern OSDP rollouts. The real operational win is the dual-channel output — it cuts panel wiring by 40-50% on two-reader door clusters (main entry + mantrap) and eliminates the cost of running separate reader lines to different panel zones. On a 50-door facility phasing in OSDP, consolidating readers through dual-channel output can save you 200+ feet of conduit and shielded cable. The two-protocol simultaneous output is equally valuable for facilities running parallel Wiegand and OSDP systems during integration windows; you get credential data flowing to both legacy and new controllers without duplicate readers or active protocol converters. We've seen integration projects reduce reader hardware count by 15-25% just by leveraging this reader's architecture.

Technical Highlights:

• Wiegand + OSDP simultaneous output: Both protocols transmit credential data in real time. No polling delay, no conversion latency — integrators can run Wiegand to legacy panels and OSDP to modern controllers from the same reader without sync loss or duplicate enrollment overhead.
• Two-channel independent streams: Each channel operates as a standalone reader electrically. Use both channels for one door (primary + failover), or split across two physical reader locations fed from a single power supply — reduces panel input saturation and eliminates cross-talk between unrelated door zones.
• HID & AWID credential agnostic design: Reads both HID 37-bit (most common North American prox) and AWID 34-bit without reconfiguration. Zero credential-format lock-in, which matters if your facility inherited mixed credential portfolios from acquisitions or prior integrators.
• 5–16VDC input tolerance with 16VDC optimization: Unlike readers that perform poorly under voltage sag, this unit stabilizes read range and latency at 16VDC. In power-constrained installations (long cable runs, older power supplies), operating at 16VDC rather than 12VDC gives you measurable read-range headroom without overspec-ing the power supply.
• Low quiescent draw (35 mA typical, 75 mA peak): Dual-channel output on this low power budget is efficient. On an 8-reader installation, you're looking at 280 mA typical draw — well within a standard 500 mA access control power module without overheating or thermal derating.

Deployment Considerations:

• Shielded cable is non-negotiable in RF-noisy environments: We've seen unshielded Cat5 runs fail in parking structures (RF leakage from security radio systems) and industrial floors. Use 24 AWG minimum foil-shielded twisted pair and bond the shield at one end of the run. Budget an extra $100-200 per reader installation for proper cable and termination labor.
• Credential inventory audit is mandatory: Confirm your facility's existing card stock is HID 125kHz or AWID 34-bit before ordering. If you have Mifare, DESFire, or magnetic stripe credentials in use, the CV-WTX2-H26 will not read them — you'll need a multitech reader instead, which adds cost and integration complexity.
• Protocol bridging requires host system logic: If you're running both Wiegand and OSDP to different panels, ensure your access control software (especially legacy Wiegand panels) can handle simultaneous credential events without duplicate alarms or race conditions. Test in a lab environment first — Wiegand timing is stricter than OSDP.
• Read range contracts below 12VDC: On long cable runs or power-constrained supplies, voltage drop can erode read distance. If doors are 10+ feet from the power supply, validate voltage at the reader terminal (not just at the supply output) — many integrators miss this step and field-complain about intermittent reads that are actually voltage sag.
• Temperature extremes require reader-box selection: Operating range is −35°C to +65°C, but the reader itself needs a sealed, IP-rated enclosure outdoors. Conduit entry, drain holes, and silica gel packs are non-optional in cold/damp climates — moisture ingress on the circuit board will fail the warranty claim.

The CV-WTX2-H26 is the right choice for integrators managing retrofits, phased OSDP migrations, or multi-zone credential consolidation. Legacy Wiegand panels, modern OSDP controllers, and mixed credential stocks are all within scope. For straightforward new OSDP-only installations, you may prefer a single-channel OSDP-native reader to simplify specification; for everyone else, the dual-protocol dual-channel architecture justifies the extra cost through capex and labor savings. Explore our Camden access control reader catalog for complementary proximity and smartcard options.