What Is the Motorola Curve?
The Motorola Curve is a digital business two-way radio that operates on the 900 MHz ISM band, offering push-to-talk communication across up to 300,000 square feet or 20 floors indoors. At 1 watt of RF output on a frequency-hopping spread spectrum (FHSS) platform, the Curve delivers interference-resistant conversations.
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Product Page by Kristin Wood, a two-way radio consultant @ Tech Wholesale | Last Updated: May 2026
Technical Specifications
What's Included
Every Motorola Curve purchased through TechWholesale ships with:
- Curve radio handset
- Rechargeable lithium-ion battery BT90 (1,800 mAh)
- Belt holster
- Drop-in tray charger with power adapter
- Quick reference guide
- Product safety and RF exposure booklet
Key Features of the Motorola Curve
Connectivity
Wi-Fi and digital radio in one device
Voice travels over the 900 MHz digital radio network for reliable communication, while Wi-Fi handles cloud-based features like voice assistance and voicemail — the best of both worlds without smartphone distraction.
Interoperable with Motorola DTR and DLR radios
Fully compatible with the Motorola DTR and DLR series and Motorola callboxes. Teams with an existing FHSS radio fleet can add Curve units without reprogramming current devices.
Coverage & range
Up to 300,000 sq ft or 20 floors
Coverage extends to warehouses and parking lots. Range depends on terrain and environmental conditions.
Licensing & cost
FCC license-free operation
Operates in the 900 MHz ISM band using Frequency Hopping Spread Spectrum (FHSS) technology. No FCC license required, no ongoing licensing fees — a cost-effective solution for retail, hospitality, and restaurant environments.
Voice & communication
Voice assistance
A dedicated Wi-Fi-powered voice activation button lets staff initiate calls, log in and out, and send or receive voicemail entirely hands-free. Issue commands like "call Patricia" to reach the right person without broadcasting to the whole team.
Voicemail
Team members can leave and retrieve audio messages at the right time — without interrupting an active task or customer interaction. Requires subscription.
Programmable button
The top button can be configured for Private Reply, Call All Available, Page All, Mute, Priority Contact List, and Scan. Call All Available contacts only team members not currently in a radio conversation, minimizing unnecessary interruptions.
Status & usability
Color LED status indicator
A color LED ring around the speaker provides a clear, at-a-glance view of the radio's operating status — no menu navigation required.
Durability
Military-grade durability
Tested and certified to MIL-STD 810C, D, E, F, G, and H standards — covering temperature extremes, dust, vibration, shock, humidity, and more. Built for retail floors, restaurant kitchens, and hotel environments.
Battery & power
Up to 11.5-hour standard battery life
The included BT90 Standard Capacity Battery (1,800 mAh) delivers up to 11.5 hours of use with Wi-Fi off. Both batteries support use with Voice Assistant active.
Optional high-capacity battery
The BT110 High-Capacity Battery (2,500 mAh) extends operation to up to 16 hours — ideal for long or double shifts.
Compatible Accessories for the Motorola Curve
Expand the capability of your Curve radio with these compatible accessories, available at Tech Wholesale.
Earpieces
Motorola PMLN8311 Over-the-Ear Earpiece, Single PinA swivel over-the-ear earpiece with inline push-to-talk microphone and removable ear tips. Designed for hands-free communication in loud environments such as retail floors, restaurant kitchens, and hotel lobbies. Uses a 2.5mm single-pin angled connector.
Motorola PMLN8191 Surveillance Earpiece with Mic and PTT
A 2-wire surveillance-style earpiece with an in-line microphone and push-to-talk button. Provides discreet communication for security, loss prevention, and front-of-house staff.
Charging
Motorola PMPN4589 6-Unit Charging TrayCharges up to six Motorola Curve radios or batteries simultaneously from a single outlet connection. Essential for teams deploying multiple Curve units across a shift.
Motorola PMPN4603 Single-Unit Charger Tray and Adapter
A 5W single-unit charging tray with AC adapter for individual Curve radio charging. A practical solution for personal desk charging or use alongside the 6-pocket tray for overflow units.
Motorola PMNN4578 BT110 High-Capacity BatteryA 2,500 mAh upgrade battery that extends Curve operation to up to 16 hours (Wi-Fi off) or 14.5 hours (Wi-Fi on with Voice Assistant active). Requires the PMLN8393 High-Capacity Battery Door.
Programming
Motorola HKKN4027 CPS Cable Kit
Connects the Curve to a computer via USB for use with Motorola's Customer Programming Software (CPS). Used to update device settings, configure channels, and keep firmware current. Replaces the legacy HKKN4025 and RKN4155 programming cables.
Motorola HKKN4028 Cloning Cable Kit
Allows the settings from one fully programmed Curve to be copied directly to another unit. Eliminates the need to manually configure each radio individually — ideal when deploying a large fleet of Curve devices.
Carrying
Motorola PMLN8392 Swivel Belt HolsterA swivel-style belt holster designed specifically for the Motorola Curve, allowing secure hands-free carry during active shifts.
Motorola PMLN8393 High-Capacity Battery DoorRequired when upgrading from the standard BT90 battery to the BT110 High-Capacity Battery. The larger battery requires this corresponding door to maintain a secure fit.
Upgradable Ecosystem
Motorola Curve Call ButtonA customer-facing call button that sends an alert directly to your Curve, DLR, or DTR radios when pressed. Eliminates PA announcements for in-store or curbside assistance requests. Call button activity — including press counts, response times, and location — can be monitored and configured through the Curve Portal. (*feature requires subscription)
Motorola Curve Digital HUBThe Digital HUB connects the Curve Call Button network to your radio fleet, routing customer assistance alerts to the appropriate Curve, DLR, or DTR devices. Required for Call Button functionality. (*feature requires subscription)
Who Is This For?
Retail Floor Managers and Store Supervisors
Teams that need staff coordinated across large square footage without wiring up earpieces to smartphone apps. The Curve's 10-channel structure lets managers separate departments (stock room, floor, security) into discrete talk groups. The Private Reply feature keeps responses discreet near customers.
Hotel and Hospitality Operations Teams
Environments where radios rotate between shifts and hygiene matters. The Curve's built-in antimicrobial coating and IP5X dust/humidity resistance make it practical where radios pass between housekeeping, front desk, maintenance, and food and beverage staff throughout the day.
Warehouse and Distribution Facility Supervisors
Moderate-footprint facilities (under 300,000 sq. ft.) that want digital clarity and channel discipline without investing in a licensed UHF/VHF infrastructure. For facilities larger than this, consider pairing with a digital range extender.
Healthcare and Assisted Living Administrators
Staff communications in environments sensitive to noise and confidentiality. The Private Reply and Direct Call features reduce broadcast chatter and limit communication to the right recipients. See how the Curve fits into assisted living radio deployments.
How Does the Motorola Curve Compare to Similar Products?
Motorola Curve vs. Motorola DTR700
The DTR700 and Curve both run on 900 MHz FHSS technology and are fully interoperable. The DTR700 is a larger, traditional radio body with a full keypad and display. The Curve is a slim, minimalist design optimized for all-day wear. The Curve has add on Wi-Fi-based features (voice assistance, voicemail, portal management - requires subscription) that the DTR700 lacks. The DTR700 offers more on-radio controls and does not require a subscription for its core feature set.
Choose Curve if: You want a sleek, body-friendly form factor with optional cloud management.
Choose DTR700 if: You need more on-device control, a display, or a keypad without subscription dependencies.
Motorola Curve vs. Motorola DLR1060
The DLR1060 is another 900 MHz radio that's interoperable with the Curve. The DLR1060 has a louder speaker output, designed for loud or active environments. The Curve is quieter by design to reduce noise in customer-facing settings. The Curve adds Wi-Fi features and antimicrobial housing that the DLR does not offer.
Choose Curve if: You're in retail, hospitality, or healthcare and want Wi-Fi-enhanced features.
Choose DLR1060 if: You're in a loud industrial or outdoor environment where audio volume is the priority.
Motorola Curve vs. Motorola CLPe Series
The CLPe series operates on UHF frequencies. The CLPe is a single-frequency radio without FHSS, making it more susceptible to interference in dense wireless environments. The CLPe has no Wi-Fi capability and generally costs less, with no subscription required to use all features.
Choose Curve if: You're in a large facility, Wi-Fi-dense environment, or need cloud radio management.
Choose CLP if: You have a smaller footprint and want a simpler, lower-cost option with no subscriptions.
Motorola Curve vs. Motorola RM Series
The RM series operates on licensed UHF and VHF frequencies and is designed for larger deployments that need repeater infrastructure. The Curve requires no infrastructure. For single-site businesses under 300,000 sq. ft., the Curve is typically easier and cheaper to deploy.
Choose Curve if: You want a license-free, infrastructure-free deployment on a single site.
Choose RM if: You need wide-area coverage, repeater support, or operate a large multi-site facility.
Ready to Equip Your Team?
The Motorola Curve is a smart investment for any business that depends on fast, reliable team communication. Whether you're managing a retail floor, coordinating hotel staff, or running a busy restaurant, it delivers the coverage and clarity your operation needs.
Contact TechWholesale for our pricing.
Frequently Asked Questions
Is the Motorola Curve compatible with other Motorola radios?
Yes, with two specific series: the Motorola DTR series and the Motorola DLR series. All three operate on the same 900 MHz FHSS digital platform and can share channels without additional configuration. The Curve is not compatible with UHF/VHF radios (CLP, CLS, RDX, RM, etc.).
What features require a subscription, and what's included without one?
Core push-to-talk features — including all 10 channels, Private Reply, Call All Available, and Page All Available — work without any subscription.
The following features require a Motorola Curve Portal subscription: Wi-Fi connectivity, Voice Assistance, Direct Call, and Voicemail. Voice assistance is currently English-only.
What is the actual battery life, and does it change with Wi-Fi on?
With the standard BT90 battery (1,800 mAh), the Curve delivers approximately 11.5 hours with Wi-Fi off and approximately 10 hours with Wi-Fi on and Voice Assistant active.
The optional high-capacity BT110 battery (2,500 mAh) extends runtime to 16 hours (Wi-Fi off) or 14.5 hours (Wi-Fi + Voice Assistant on). These figures are based on a 5/5/90 use pattern (5% transmit, 5% receive, 90% standby).
Heavy talk time will reduce runtime.
How is the Curve different from a consumer walkie-talkie?
Consumer walkie-talkies typically use FRS/GMRS frequencies (462–467 MHz), share channels with anyone in range, and are built to consumer durability standards. The Curve uses a proprietary 900 MHz FHSS digital platform — other radios on FRS/GMRS cannot receive or interfere with your communications.
The MIL-STD 810 build quality, IP5X rating, antimicrobial housing, and commercial warranty are specific to the business-grade product category.
Can the Motorola Curve reach across multiple floors of a building?
Yes. Motorola rates the Curve at up to 20 floors of vertical range indoors. In practice, this varies based on building construction — concrete and steel attenuate signal more than wood-frame structures.
For very large campuses or facilities exceeding 300,000 sq. ft., a digital range extender/repeater can extend coverage.
Is the Curve appropriate for healthcare or food service environments where hygiene matters?
Yes. The polycarbonate housing includes a built-in antimicrobial coating that inhibits the growth of bacteria on radio surfaces — a meaningful consideration when radios are shared between staff throughout the day.
The IP5X rating also means the radio is protected against dust and humidity, relevant in food prep and clinical environments.
What accessories are available for the Motorola Curve?
- High-capacity lithium-ion battery BT110 (HKNN4013) — extends runtime to 16 hours
- 6-unit charging tray (PMPN4589) — charges up to 6 radios simultaneously
- Single-pin earpiece (PMLN8311) — over-ear audio for discreet communication
- Surveillance earpiece with mic and PTT (PMLN8191) — for security and front-of-house staff
Browse the full Motorola Curve accessories catalog.
