HID 920NHRNEK0000C vs HID 20NWS-01-000000: Specification Comparison
Both the HID 920NHRNEK0000C (R40 iCLASS SE) and the HID 20NWS-01-000000 (Signo 20) are wall-mounted, wired, contactless smart card access control readers from HID Global. Both support 13.56 MHz credentials including SEOS, DESFire, iCLASS, and MIFARE, and both output OSDP. A buyer replacing or specifying a single-door contactless reader for a corporate or government deployment would legitimately cross-shop these two units across credential breadth, communication protocol support, power options, and physical resilience.
In This Guide
- Which reader supports a broader credential and communication protocol set?
- How do the two readers compare on power sourcing and environmental resilience?
- Which reader is easier to install and integrate into existing or new access control infrastructure?
- Which should you choose: the 920NHRNEK0000C or the 20NWS-01-000000?
- Side-by-Side Specs
- FAQ
Which reader supports a broader credential and communication protocol set?
The 920NHRNEK0000C (R40 iCLASS SE) explicitly lists iCLASS SE, PIV II, DESFire, MIFARE, SEOS, NFC/13.56 MHz, and 125 kHz proximity as supported credential types. The inclusion of 125 kHz proximity is a meaningful differentiator for sites still running legacy HID Prox or EM4100 cards alongside modern 13.56 MHz credentials. Its communication output is listed as OSDP only in the detailed spec fields.
The 20NWS-01-000000 (Signo 20) lists DESFire, iCLASS, MIFARE, SEOS, and NFC at 13.56 MHz but does not specify 125 kHz proximity support in the provided specs. Its communication outputs include both OSDP and Wiegand 32-bit MSB, giving installers a direct backward-compatible path to legacy panels without a protocol converter. An additional spec notes native Apple ECP support, enabling iPhone and Apple Watch tap-to-unlock without supplemental mobile middleware — a capability not listed for the 920NHRNEK0000C.
For sites with mixed legacy and modern credentials, the 920NHRNEK0000C's explicit 125 kHz support is an advantage. For sites prioritizing mobile credentials and legacy panel reuse via Wiegand output, the 20NWS-01-000000's dual-output and Apple ECP features are relevant differentiators.
How do the two readers compare on power sourcing and environmental resilience?
The 20NWS-01-000000 specifies PoE+ (802.3at) power delivery, meaning it can be powered directly from a PoE+ switch or injector with no separate power supply or local transformer required. This simplifies wiring on new construction and reduces enclosure real estate at the controller. The provided specs do not list a separate DC power input option for this model.
The 920NHRNEK0000C's power source is not explicitly stated in the provided specifications. Buyers requiring confirmed power input details for the R40 iCLASS SE should consult the HID datasheet at the path listed (/content/product-datasheets/920NHRNEK0000C.pdf).
On environmental resilience, the 20NWS-01-000000 carries a confirmed IK09 impact rating and an operating temperature range of -20°C to +60°C. Neither IK-rating nor operating temperature is listed in the provided specifications for the 920NHRNEK0000C. Installers specifying readers for exterior doors, parking garages, or high-traffic lobbies should treat the IK09 / -20°C floor on the Signo 20 as a confirmed specification and treat the R40's environmental envelope as unconfirmed from these specs alone.
Which reader is easier to install and integrate into existing or new access control infrastructure?
The 920NHRNEK0000C uses a pigtail wiring termination. This approach is common in retrofit scenarios where the installer pre-wires a cable stub and the reader terminates directly without a back-box connector block. The specs note compatibility with both HID access control systems and third-party platforms, and wall-mount or door frame installation is listed.
The 20NWS-01-000000 is described as wired with a cable form factor. Its dual Wiegand 32-bit MSB and OSDP outputs make it directly compatible with both legacy access control panels (Wiegand) and modern OSDP-capable controllers without a protocol bridge. The specs reference an encryption-certified secure element for hardware-level credential security. Mount type is listed as wall and rack.
Both carry 2-year warranties and are described as offering out-of-the-box support. The 920NHRNEK0000C's pigtail suits door frame and retrofit wiring runs. The 20NWS-01-000000's dual-output protocol flexibility and PoE+ power make it more self-contained for new structured-cabling deployments where a PoE+ switch is already present at the IDF.
Which should you choose: the 920NHRNEK0000C or the 20NWS-01-000000?
Our take: The 20NWS-01-000000 (Signo 20) is the stronger choice when the deployment requires PoE+ powered installation, legacy Wiegand panel compatibility, and native mobile credential support including Apple ECP. Specifically: the Signo 20 provides both OSDP and Wiegand 32-bit MSB outputs versus OSDP-only on the R40; it carries a confirmed IK09 impact rating and -20°C to +60°C operating range versus no environmental rating listed for the R40; and it natively supports Apple ECP for iPhone/Apple Watch access, a feature absent from the R40's spec sheet. Conversely, the 920NHRNEK0000C (R40 iCLASS SE) is the better fit when the site runs legacy 125 kHz proximity cards alongside modern credentials — its explicit 125 kHz support is listed and is not confirmed for the Signo 20. Choose the R40 for mixed-generation credential environments; choose the Signo 20 for greenfield PoE+ deployments with modern or mobile-first credential strategies.
Side-by-Side Comparison
Spec-for-spec, from manufacturer data.
| Specification | HID 920NHRNEK0000C | HID 20NWS-01-000000 |
|---|---|---|
| Product Line | R40 iCLASS SE | Signo 20 |
| SKU | 920NHRNEK0000C | 20NWS-01-000000 |
| Reader / Device Type | Contactless Smart Card Reader | Access Control Terminal |
| Credential Frequencies | 13.56 MHz + 125 kHz Prox | 13.56 MHz (125 kHz not listed) |
| Supported Credentials | iCLASS SE, PIV II, DESFire, MIFARE, SEOS, NFC, 125 kHz Prox | DESFire, iCLASS, MIFARE, SEOS, NFC |
| Mobile Credentials / Apple ECP | Not listed | Yes — native Apple ECP |
| Communication Output | OSDP | OSDP + Wiegand 32-bit MSB |
| Power Input | Not specified in provided specs | PoE+ (802.3at) |
| Impact Rating | Not listed | IK09 |
| Operating Temperature | Not listed | -20°C to +60°C |
| Wiring / Connection | Pigtail | Wired / Cable |
| Mount Type | Wall-mount / Door frame | Wall / Rack |
| Color / Finish | Black (silver trim baseplate noted) | White / Silver trim |
| Encryption | Not listed | Certified secure element hardware |
| UPC | Not listed | 662950752134 |
| Warranty | 2-year | 2-year |
Frequently Asked Questions
Which should you choose: the 920NHRNEK0000C or the 20NWS-01-000000?
The 20NWS-01-000000 (Signo 20) is the stronger choice when the deployment requires PoE+ powered installation, legacy Wiegand panel compatibility, and native mobile credential support including Apple ECP. Specifically: the Signo 20 provides both OSDP and Wiegand 32-bit MSB outputs versus OSDP-only on the R40; it carries a confirmed IK09 impact rating and -20°C to +60°C operating range versus no environmental rating listed for the R40; and it natively supports Apple ECP for iPhone/Apple Watch access, a feature absent from the R40's spec sheet. Conversely, the 920NHRNEK0000C (R40 iCLASS SE) is the better fit when the site runs legacy 125 kHz proximity cards alongside modern credentials — its explicit 125 kHz support is listed and is not confirmed for the Signo 20. Choose the R40 for mixed-generation credential environments; choose the Signo 20 for greenfield PoE+ deployments with modern or mobile-first credential strategies.
Can the HID 920NHRNEK0000C or 20NWS-01-000000 read my older 125 kHz HID Prox cards?
The 920NHRNEK0000C explicitly lists 125 kHz proximity as a supported credential type. The 20NWS-01-000000's provided specifications list only 13.56 MHz credential types (DESFire, iCLASS, MIFARE, SEOS, NFC) and do not confirm 125 kHz support. If your site uses legacy 125 kHz cards and you cannot immediately replace them, the 920NHRNEK0000C is the confirmed choice based on available specs.
Which reader works with my existing Wiegand access control panel?
The 20NWS-01-000000 explicitly outputs Wiegand 32-bit MSB in addition to OSDP, making it directly backward-compatible with legacy Wiegand panels without a protocol converter. The 920NHRNEK0000C's provided specifications list OSDP as the communication output; Wiegand output is not confirmed in the available spec data. For a legacy Wiegand panel, the 20NWS-01-000000 is the confirmed-compatible choice.
Is either reader suitable for an outdoor or high-traffic lobby installation?
The 20NWS-01-000000 carries a confirmed IK09 impact resistance rating and a specified operating temperature range of -20°C to +60°C, which supports outdoor vestibule, parking structure, and high-traffic lobby use. The 920NHRNEK0000C does not have an IK impact rating or operating temperature range listed in the provided specifications. Installers specifying for exposed or vandal-risk locations should verify the R40's environmental ratings directly from the HID datasheet before specifying it in those environments.
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