LN940A9 - LTE Cat 9 M.2 Module 450 Mbps GNSS | Telit
부품 번호: LN940A9 ✓ 활성| 수량 | 단가 | 합계 |
|---|---|---|
| 1 | $16.99 | $16.99 |
| 10 | $15.29 | $152.90 |
| 100 | $13.59 | $1,359.00 |
| 500 | $11.89 | $5,945.00 |
| 1,000 | $10.19 | $10,190.00 |
LN940A9 개요
An LTE Cat 9 module is a cellular wide-area-network transceiver that aggregates multiple LTE carriers (carrier aggregation, up to 3x20 MHz in Cat 9) to reach higher throughput than single-carrier Category 4 devices. Within the wireless connectivity hierarchy, it sits between entry-level Cat 4 modules and LTE-Advanced Pro (Cat 11 and above) devices, and belongs to the broader family of cellular modems, WWAN data cards, and M2M/IoT communication modules.
Key features of the LN940A9 include LTE Category 9 capability for North America, Europe, and APAC, worldwide 3G fallback for coverage continuity, built-in GNSS for positioning, and a power-optimization enablement suite. According to the Telit LN94x series datasheet, the LN940 family supports Adaptive Clocking, Selective Suspend, Link Power Management, Dynamic Power Reduction, and Tunable Antenna features that together reduce power consumption in battery-powered devices.
The LN940 family is optimized for low power consumption and a smaller, thinner footprint than older PCIe mini-card designs. The industrial-grade M.2 form factor allows easy integration into laptops, tablets, routers, gateways, and ruggedized industrial IoT devices. The M.2 interface carries USB 3.0 / PCIe connectivity, SIM, and GNSS signals over the standard M.2 edge connector, simplifying mechanical design and antenna placement. In practice, the module is used as the WWAN engine behind a host OS driver stack (Windows and Linux drivers are available per 4gltemall documentation listings).
Typical applications include mobile computing WWAN cards (the LN940A9 is widely referenced as T77W676 in branded laptop builds), industrial IoT gateways and routers requiring resilient LTE-A backhaul, and networking equipment needing 450 Mbps downlink with 3G fallback. The integrated GNSS receiver supports asset tracking and location-aware services without a separate GPS module.
Design consideration: as a cellular module, the LN940A9 requires careful RF layout - keep the M.2 antenna connectors matched to 50 ohm, follow the Telit hardware design guidelines for power sequencing, and budget for module thermal dissipation during sustained uplink transfers.
This page synthesizes distributor pricing references, drop-in alternatives, application guidance, and design notes not found in the manufacturer datasheet alone, giving engineers a single citable reference for the Telit LN940A9.
드롭인 대체품: LN940A9 — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:
LN940A11
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
LM940
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
LM960
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
EM7511
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
EM7565
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
LN940A9 사양 (제조사 공개)
| Product Type | LTE Cat 9 M.2 Data Card Module |
| LTE Category | Category 9 |
| Peak Downlink Data Rate | 450 Mbps |
| Peak Uplink Data Rate | 50 Mbps |
| Fallback Technology | 3G (worldwide) |
| GNSS | Built-in GNSS receiver |
| Regional Coverage | North America, Europe, APAC |
| Form Factor | M.2 industrial-grade data card |
| Power Optimization Features | Adaptive Clocking, Selective Suspend, Link Power Management, Dynamic Power Reduction, Tunable Antenna |
| Carrier Aggregation | Up to 3 carriers (Cat 9 class) |
| Driver Support | Windows and Linux drivers |
LN940A9 인터페이스 및 커넥터
LN940A9에 대해 제조사에서 공개한 인터페이스 목록이 없습니다. 커넥터 및 헤더 세부 정보는 제조사 문서를 참조하십시오.
다음을 참조하십시오: 제조사 문서 전체 확장 헤더 핀아웃 및 커넥터 핀 번호는 다음을 참조하십시오.
일반적인 애플리케이션
LN940A9 적합 용도: 6 애플리케이션s: Mobile Computing WWAN, Industrial IoT Gateways, Enterprise Routers and Networking Equipment, Fleet Telematics and Asset Tracking, Video Surveillance and Security Systems, Smart Grid and Utility Communications.
Mobile Computing WWAN
The LN940A9 is widely deployed as the WWAN engine in laptops, tablets, and ruggedized mobile computers, including OEM builds that carry the T77W676 designation. Its LTE Category 9 peak rate of 450 Mbps downlink gives notebook users near-fiber-class mobile broadband, while global 3G fallback maintains connectivity in coverage gaps. The M.2 industrial-grade form factor fits the thin mechanical envelope of modern portable devices, and the family's Adaptive Clocking, Selective Suspend, and Link Power Management features minimize the impact on battery life during idle and light-traffic periods. Windows and Linux driver availability means the same module serves both consumer and enterprise fleets, simplifying qualification for IT procurement and reducing second-source integration work for OEMs designing multi-region SKUs.
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Industrial IoT Gateways
Industrial IoT gateways and edge controllers require resilient, low-power wide-area backhaul, and the LN940A9 addresses this with LTE Category 9 throughput (450 Mbps downlink) plus worldwide 3G fallback when LTE-A service is degraded. Per Rutronik-TEC, the LN940 family is explicitly targeted at industrial IoT device platforms commanding a smaller and thinner footprint. The power-management enablement suite - Adaptive Clocking, Dynamic Power Reduction, and Link Power Management - keeps energy draw low in always-on panels and battery-backed cabinets, while the built-in GNSS receiver supports location tagging of distributed assets without an extra positioning module. The M.2 edge-connector interface simplifies integration into gateway motherboards and allows field replacement of the radio without re-soldering.
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Enterprise Routers and Networking Equipment
Enterprise routers, SD-WAN appliances, and failover networking gear use the LN940A9 as a primary or backup WAN interface. The 450 Mbps LTE-Advanced downlink is sufficient to bond with or replace wireline links at branch sites, and carrier aggregation across multiple LTE carriers sustains throughput under congested cell conditions. The module's Tunable Antenna feature helps integrators optimize RF performance in dense metal enclosures typical of networking hardware, while Selective Suspend allows the host CPU to reduce module power during idle periods in energy-conscious deployments. Because the M.2 card is socketed, service teams can swap carriers or upgrade to the Cat 11 LN940A11 variant in the field without board redesign, protecting long-life networking product roadmaps across regions.
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Fleet Telematics and Asset Tracking
Fleet telematics units and high-value asset trackers benefit directly from the LN940A9's integrated GNSS receiver, which provides positioning without a separate GPS module - saving BOM cost and PCB area in compact trackers. The LTE Category 9 link (450 Mbps downlink) supports rich telematics payloads including dashcam video uplink buffering, OTA firmware campaigns, and real-time diagnostics, while global 3G fallback ensures position reports are never lost in rural coverage holes. According to the Techship product page, the module combines critical connectivity features with low-power enablements, extending battery life in trailer trackers and powered-down vehicle applications. The North America, Europe, and APAC band coverage lets logistics operators ship one hardware SKU across major trade corridors.
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Video Surveillance and Security Systems
Wireless security cameras, NVR gateways, and mobile surveillance trailers rely on the LN940A9's 450 Mbps LTE-Advanced downlink and 50 Mbps-class uplink capability to backhaul multiple video streams from remote or temporary sites where wireline service is unavailable. Category 9 carrier aggregation improves cell-edge throughput, keeping streams stable in congested urban deployments, and the worldwide 3G fallback path preserves alarm signaling even during LTE outages - a compliance-relevant feature for security systems. The industrial-grade M.2 form factor allows the radio to be socketed inside enclosures for easier maintenance, and Dynamic Power Reduction reduces thermal load inside sealed camera housings, improving long-term reliability of both the module and neighboring components in solar- or battery-powered surveillance installations.
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Smart Grid and Utility Communications
Distribution automation, metering concentrators, and substation gateways demand long-lived, certifiable cellular links, and the LN940A9's industrial-grade M.2 construction and low-power feature set fit these requirements. The module's North America, Europe, and APAC regional coverage aligns with multinational utility fleets, allowing one radio design across service territories. LTE Category 9 throughput of 450 Mbps supports high-rate telemetry, phasor data, and video inspection backhaul, while Link Power Management and Adaptive Clocking cut energy consumption in pole-mounted and battery-buffered cabinets where every watt matters. The built-in GNSS receiver supplies the precise time and location stamps required by grid-event recording and fault-location algorithms, removing the need for a discrete GNSS solution on the host board.
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추천 제품 요약
엔지니어링 참조 데이터: LN940A9 — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 | LN940A11 | LM940 | LM960 | EM7511 | EM7565 |
|---|---|---|---|---|---|---|
| Package | M.2 data card | M.2 data card - same | M.2 data card - same class | M.2 data card - same class | M.2 data card | M.2 data card |
| Brand | Telit | Telit | Telit | Telit | Sierra Wireless | Sierra Wireless |
| LTE Category | Cat 9 | Cat 11 | LTE-Advanced | LTE-Advanced Pro | LTE-Advanced | LTE-Advanced Pro |
주요 차별점
- Optimized power-management enablement suite (vs EM7565)
- Integrated GNSS in a Cat 9 M.2 card (vs LN940A11)
- Lower-tier cost for mainstream throughput (vs EM7565)
설계 노트
The LN940A9 connects to the host through the M.2 edge connector, so signal integrity depends on the host board: keep USB 3.0 / PCIe lanes length-matched and impedance-controlled (90 ohm differential for PCIe), route SIM and GNSS lines away from switching regulators, and provide clean 3.3V-class power per the Telit LN94x hardware design guidelines. Follow the M.2 card keep-out and standoff dimensions so the module seats fully and antenna connectors (typically u.FL / MHF-class) align with enclosure bulkheads.
LTE-Advanced burst currents during carrier-aggregation uplink can be several times the idle draw; size the host power rail and bulk capacitance on the M.2 slot to handle transmit bursts without voltage droop, per Telit power design guidance for the LN940 family. Enable the family's Selective Suspend and Link Power Management features in the host OS driver to reduce average consumption in battery-powered devices, but verify wake latency meets your application's response requirements.
Do not mix regional variants: the LN940A9 covers North America, Europe, and APAC, while the LN940A11 targets Australia and Europe - deploying the wrong variant risks band-coverage gaps and regulatory non-conformance. Also confirm carrier certification and firmware whitelisting before substituting laptop OEM-branded units (T77W676) into M2M products, as OEM firmware may restrict carrier selection. Validate the Linux kernel's WWAN driver support for the module's USB composition before committing to a custom gateway OS build.
규정 준수 정보
Regulatory and environmental compliance details are not stated in the provided web data; consult the official Telit LN94x datasheet and Telit product compliance documentation.
