Camden CV-WTX2-H26 vs Camden CV-7820: Specification Comparison
Both the Camden CV-WTX2-H26 and CV-7820 are 125kHz proximity card readers designed for door access control applications. They share the same credential family (HID 125kHz / AWID), the same dual-protocol output (Wiegand and OSDP), and the same 5–16VDC operating voltage range. The meaningful difference between them is architectural: the CV-WTX2-H26 is a two-channel device that drives two access points from a single reader, while the CV-7820 is a conventional single-gang, single-channel reader with a published 8-inch read range.
In This Guide
- How many access points can each reader serve, and what does that mean for panel port consumption?
- What credentials does each reader accept, and what read range is specified?
- How do the physical form factor and communication protocols affect installation and controller compatibility?
- Which should you choose: the CV-WTX2-H26 or the CV-7820?
- Side-by-Side Specs
- FAQ
How many access points can each reader serve, and what does that mean for panel port consumption?
The CV-WTX2-H26 is explicitly specified as a Two-Channel Wiegand Proximity Reader. Its two-channel architecture allows a single physical device to present two independent Wiegand outputs to an access control panel, meaning one CV-WTX2-H26 can serve two doors or two credential-read events simultaneously—cutting the number of reader ports consumed on the controller by half for a given door count.
The CV-7820 is a Single Gang Proximity Reader with no multi-channel specification. It occupies one reader port per installation point. For a project with many doors, this means a 1:1 ratio of readers to panel ports, which is the conventional approach but consumes more controller capacity than the two-channel alternative.
What credentials does each reader accept, and what read range is specified?
Both readers support HID 125kHz proximity credentials and AWID 125kHz/34-bit formats. The CV-WTX2-H26 specifically lists AWID 34-bit support alongside HID 125kHz, preserving existing card and key-tag stock for sites already using those formats. No read range figure is provided in the CV-WTX2-H26 specifications.
The CV-7820 carries a published read range of 8 inches (approximately 203 mm). This is a concrete, plannable number for door hardware layout and ADA-compliant mounting decisions. Its credential support also covers HID 125kHz and AWID 125kHz. Neither model supports 13.56MHz smart card or mobile credentials based on the specifications provided.
How do the physical form factor and communication protocols affect installation and controller compatibility?
The CV-7820 is a single-gang form factor device, making it directly compatible with standard single-gang electrical boxes found in virtually every retrofit and new-construction door frame installation. This simplifies rough-in planning and hardware scheduling.
The CV-WTX2-H26 is specified for wall and rack mounting; its form factor is not described as single-gang in the provided specifications, which is consistent with a multi-channel device that may have a larger or different enclosure footprint. Both readers support OSDP and Wiegand outputs, so either is compatible with modern OSDP-capable panels as well as legacy Wiegand-only controllers. Warranty is identical at 3 years for both models.
Which should you choose: the CV-WTX2-H26 or the CV-7820?
Our take: The CV-WTX2-H26 is the stronger choice when minimizing panel port consumption and wiring complexity in multi-door clusters is the primary design constraint. Its two-channel architecture means one device serves two access points, cutting reader-port demand on the controller by 50% compared to deploying individual single-channel units—a meaningful saving on large projects where controller capacity or conduit runs are constrained. Both readers share the same 5–16VDC voltage range, the same HID 125kHz and AWID credential support, and the same 3-year warranty, so neither has an advantage on power or longevity. The CV-7820's differentiating strength is its published 8-inch read range and confirmed single-gang form factor, making it the more straightforward specification for standard retrofit doors where box compatibility and a concrete read-distance number matter for hardware scheduling. Sites with OSDP-capable panels can use either reader; legacy Wiegand-only panels are also supported by both.
Side-by-Side Comparison
Spec-for-spec, from manufacturer data.
| Specification | Camden CV-WTX2-H26 | Camden CV-7820 |
|---|---|---|
| Product Type | Two-Channel Wiegand Proximity Reader | Single Gang Proximity Reader |
| Reader Technology | Proximity (125kHz) | Proximity (125kHz) |
| Number of Channels | 2 (dual output) | 1 (single output) |
| Credential Support — HID 125kHz | Yes | Yes |
| Credential Support — AWID | AWID 34-bit | AWID 125kHz |
| Communication Protocols | Wiegand and OSDP | Wiegand and OSDP |
| Operating Voltage | 5–16VDC | 5–16VDC |
| Read Range | — | 8 inches |
| Form Factor | Wall / Rack mount (not single-gang specified) | Single gang |
| Compatible With | Door | Standard door |
| Warranty | 3 Years | 3 Years |
| SKU | CV-WTX2-H26 | CV-7820 |
| Datasheet Available | Yes | Yes |
| Mobile / Smart Card (13.56MHz) Support | Not specified | Not specified |
Frequently Asked Questions
Which should you choose: the CV-WTX2-H26 or the CV-7820?
The CV-WTX2-H26 is the stronger choice when minimizing panel port consumption and wiring complexity in multi-door clusters is the primary design constraint. Its two-channel architecture means one device serves two access points, cutting reader-port demand on the controller by 50% compared to deploying individual single-channel units—a meaningful saving on large projects where controller capacity or conduit runs are constrained. Both readers share the same 5–16VDC voltage range, the same HID 125kHz and AWID credential support, and the same 3-year warranty, so neither has an advantage on power or longevity. The CV-7820's differentiating strength is its published 8-inch read range and confirmed single-gang form factor, making it the more straightforward specification for standard retrofit doors where box compatibility and a concrete read-distance number matter for hardware scheduling. Sites with OSDP-capable panels can use either reader; legacy Wiegand-only panels are also supported by both.
Is the CV-WTX2-H26 or CV-7820 a better fit for a large multi-door installation where controller port count is limited?
The CV-WTX2-H26 is better suited to that scenario. Its two-channel architecture allows one reader to drive two access points, which halves the number of reader ports consumed on the access control panel for a given door count. The CV-7820 is a single-channel device and requires one panel port per door.
Do both readers work with my existing HID proximity cards and key fobs?
Yes. Both the CV-WTX2-H26 and CV-7820 are specified to read HID 125kHz proximity credentials. Both also support AWID 125kHz formats, so existing card and key-tag stock in either family should be compatible with either reader without re-badging.
Which reader is easier to mount in a standard door frame retrofit?
The CV-7820 is specified as a single-gang form factor, meaning it drops directly into a standard single-gang electrical box—the most common rough-in found in retrofit door hardware. The CV-WTX2-H26 supports wall and rack mounting but is not described as single-gang in the available specifications, so box compatibility should be confirmed before specifying it in a standard door-frame application.
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