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Small green circuit board with gold edge connector and silver shield 51 by 30 mm

HP

HP EliteBook 2560P Sierra Wireless MC8355 3G M.2 Adapter

SKU CH-2Y3J-SK276

Connects laptops to global 3G networks via M.2 slot with HSPA and EV-DO Rev A up to 14.4 Mbps downlink

  • TypeM.2 Wi-FI Adapter
  • Global 3G access with HSPA and EV-DO Rev A dual-mode support
  • Peak downlink 14.4 Mbps and uplink 5.76 Mbps for mobile broadband
  • Wide carrier approval including AT&T Verizon Sprint Vodafone and more
  • Embedded GPS via gpsOneXTRA for location services
  • M.2 form factor 51 x 30 x 3.05 mm fits compatible EliteBook systems

Genuine HP 3G M.2 Adapter for EliteBook 2560P

This genuine HP Sierra Wireless MC8355 module adds 3G connectivity to compatible EliteBook laptops. It supports HSPA and EV-DO Rev A networks with global roaming across multiple frequency bands. The adapter is designed for integration into netbooks, laptops or tablets requiring mobile broadband access. Condition is new and intended for the EliteBook 847 platform.

Simple M.2 insertion with antenna and SIM

Installation requires an available M.2 slot and connection of two antenna cables for diversity reception. A compatible SIM card must be inserted into the 1.8V or 3.0V interface for network authentication. Common issues include missing antenna leads in the chassis or driver incompatibility with newer operating systems. The module draws power via USB 2.0 Highspeed interface.

Suits EliteBook owners restoring factory 3G option

This adapter suits technicians or owners restoring original 3G functionality to supported EliteBook models. It is not suitable for users needing 4G LTE or 5G connectivity speeds. Buyers requiring embedded GPS with active antenna support should verify gpsOneXTRA compatibility. Systems lacking M.2 slot or dual antenna routing cannot use this module.

Highlights

  • Global 3G access with HSPA and EV-DO Rev A dual-mode support
  • Peak downlink 14.4 Mbps and uplink 5.76 Mbps for mobile broadband
  • Wide carrier approval including AT&T Verizon Sprint Vodafone and more
  • Embedded GPS via gpsOneXTRA for location services
  • M.2 form factor 51 x 30 x 3.05 mm fits compatible EliteBook systems

Specifications

TypeM.2 Wi-FI Adapter

Questions about this item

How can I confirm the MC8355 is connecting at up to 14.4 Mbps downlink after installation?

Check the connection manager or modem status page for an active HSPA session showing speeds near 14.4 Mbps downlink and 5.76 Mbps uplink.

Does the adapter include antennas or a SIM card, or must I source them separately?

The module provides an LED output and antenna diversity support; antennas and a 1.8 V or 3.0 V SIM card are not included and must be supplied by the host device.

Which part number matches the HP EliteBook 847 — 634400-001 or another SKU?

The listed part 634400-001 is identified for the EliteBook 2560P and noted as compatible with the EliteBook 847; use this SKU for that model.

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