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Critical Response Systems http://criticalresponse.com Response paging and messaging systems for hospitals, public safety, and industry. Thu, 19 May 2016 19:02:38 +0000 en hourly 1 https://wordpress.org/?v=4.5.3 New Low Power WAN (LPWAN) Meets the Need for a Secure, Reliable, and Predictable Internet of Things http://criticalresponse.com/pr-11-114/ http://criticalresponse.com/pr-11-114/#respond Thu, 05 Nov 2015 12:52:55 +0000 http://criticalresponse.com/?p=3589

Critical Response Systems adapts its mission-critical communications system to monitor and control the Internet of Things.

Norcross, GA (November 4th, 2015) – Critical Response Systems (CRS) announces IOCAST, a mission-critical LPWAN for M2M and the Internet of Things. IOCAST leverages CRS’s experience with public safety and hospital communication systems, and brings important new benefits to low-energy connected objects:

  • Dedicated, protected RF channels
  • Field-proven reliability and security
  • Predictable long-range performance
  • Carrier-grade MAC layer

“Certain low-energy WAN applications require mission-critical security and reliability,” states James Dabbs, President of CRS. “Our core architecture, which has powered mission-critical systems for years, meets this requirement. IOCAST optimizes our system interfaces and further reduces our energy footprint to create a compelling price/performance point for secure IoT and M2M applications.”

IOCAST’s long-range base stations communicate with large numbers of low energy, connected objects such as sensors and controllers. Whereas unlicensed WAN approaches attempt to manage cross-system RF interference problems in various ways, IOCAST sidesteps the problem entirely. IOCAST ensures reliability and security, protects network investment, and controls cost through dedicated channels and a carrier-grade media access (MAC) layer.

About Critical Response Systems, Inc.

Critical Response Systems provides leading-edge, mission-critical communication systems, focused on narrowband messaging and data. CRS uses the latest technology to ensure information reaches its destination quickly, correctly and reliably. For more information about IOCAST, including APIs, capabilities, architecture, and business case questions, visit http://www.criticalresponse.com/iot.

Media Contact:
Brian Claise — 866.372.9578

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M1402 IOCAST Endpoint Transceiver http://criticalresponse.com/m1402/ http://criticalresponse.com/m1402/#respond Wed, 04 Nov 2015 07:10:38 +0000 http://criticalresponse.com/?p=3572

The M1402 is a small, low-energy transceiver that connects an OEM object (sensor or controller) to an IOCAST network. The M1402 provides full access to IOCAST features, including precise time synchronization, AES-128 encryption, point and multicast group addresses, and all battery/performance (peq) profiles 0 through 10.
More Info


  • Multicast and point-to-point datagrams
  • Multicast acknowledgement
  • Precise GPS synchronized time and date
  • Flexible energy versus performance settings
  • Superior Sensitivity and RF Performance


  • Vending machines
  • Alarm monitoring
  • Environmental Monitoring
  • AVL, Fleet Management
  • POS terminals
  • General purpose, low-energy M2M and IoT

Technical Specs Format


  • Iocast v1.1 (B/ILT and NPCS)
  • 800 – 9600 bits/second
  • Multicast, unicast, and point-to-point Datagrams
  • Precise GPS/UTC time synchronization


  • Frequency Range: 896 – 902MHz
  • Frequency Stability: 0.2 PPM (AFC)
  • Emissions: FCC Part 90, 24
  • Power: 1W Into Antenna, Typical


  • Frequency Range: 928 – 942MHz
  • Image Rejection: 40dBc, Typical
  • 1 MHz Blocking: 80dBc, Typical
  • Selectivity: 22dBc @ ±10KHz, Typical
  • Sensitivity: 90% CMR @ -122dBm


  • Size: 60mm × 34mm × 6.5mm
  • Weight: 35 grams
  • Operating Temp: -10°C – +60°C

Host Interface

  • Standard: Endpoint Transceiver Interface (ETI)
  • RF Connector: HRS W.FL-R-SMT-1(10) (50Ω)


  • VCC: 3.0-3.6VDC
  • 0.1uA static
  • 20mA receive
  • 80-490mA transmit
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Simplicity of use in delivering and receiving critical messages is the MOST important factor. http://criticalresponse.com/simplicity-of-use-in-delivering-and-receiving-critical-messages-is-the-most-important-factor/ http://criticalresponse.com/simplicity-of-use-in-delivering-and-receiving-critical-messages-is-the-most-important-factor/#respond Mon, 20 Oct 2014 15:07:00 +0000 http://www.criticalresponse.com/?p=3122

Smart phones and iPhones are wonderful technology innovations. Who doesn’t enjoy playing with their smart phone device to see just how much they can do with it? But, there is the “rub,” you can almost do too much with it. When it comes to critical alert messaging, the technology that is easy to use and learn is the best solution.   Every activity or app you use to access information using a smart phone takes a significant learning curve. You have to know just what buttons to push to make your smart device become “smart,” and that’s okay — if you are not in a life-threatening situation.

There is no technology in the marketplace today that surpasses response paging for sending critical messages, with confirmation of receipt. It’s simply the easiest and most uncomplicated way to deliver a critical message immediately — anywhere, every time. Literally thousands of healthcare providers, first responders and other organizations have come to rely on response paging as the optimum method for delivering their critical messages.

There must be a reason why so many people have come to rely on this technology. Response paging systems allow you to deliver your critical messages consistently and immediately to a single individual or a large group of people with multiple locations. The text messages delivered are easy to read and comprehend, with almost no room for misinterpretation. This type of delivery technology enhances emergency messaging reliability and improves patient safety.

Because your message are sent through a true response paging network — as opposed to the Internet or cell phone networks — which are both prone to delays — you know your messages will be delivered immediately, every time, with confirmation of receipt. Whether you are a first responder organization, hospital or large healthcare provider, the easy-to-use and cost-effective technology that drives response paging can be customized and configured to meet your organization’s specific needs.


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Critical Response Systems Releases New and Improved M4201 Network Controller http://criticalresponse.com/pr-08-201/ http://criticalresponse.com/pr-08-201/#respond Tue, 05 Aug 2014 06:30:33 +0000 http://www.criticalresponse.com/?p=3399 CRS market-leading response paging and wireless data solutions.]]>

Norcross, GA (August 5th, 2014) – Critical Response Systems (CRS), a provider of leading-edge, mission-critical communication systems, announces the new M4201™ Network Controller. This controller provides a new level of performance and reliability to CRS radio network solutions, supporting more users and more base stations than prior models, and also delivering messages more quickly and reliably than ever before.

CRS‘s ultra-reliable ISO/NFPA-compliant radio networks are optimized for response paging, asset/vehicle tracking, and SCADA. These networks notify responders within 5 seconds, and then track who receives, reads, and responds to each event, including where they are and when they will arrive. Authorized command staff view responses as needed to assist in real-time decision making regarding mutual aid, fill-ins, recall, and other tactical actions. CRS radio networks do not rely on the Internet, cellular companies, or the cloud, and they have a field-proven track record of providing mission-critical communication even when other means of communication have failed.

The M4201 Network Controller further enhances CRS’s market-leading radio network solutions, offering increased messaging speed, throughput, capacity, and reliability, as well as better access to real-time response data.

About Critical Response Systems, Inc.

Critical Response Systems provides leading-edge mission-critical communication systems, focused on critical messaging and alerting. We know that every response starts with an alert, and our systems use the latest technology to ensure that first responders get their messages quickly, correctly and reliably. For more information about the M4201 Network Controller or Critical Response Systems visit www.criticalresponse.com

Media Contact:
Brian Claise — 866.372.9578

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An IQ Test for Smartphones and Response Pagers http://criticalresponse.com/an-iq-test-for-smartphones-and-response-pagers/ http://criticalresponse.com/an-iq-test-for-smartphones-and-response-pagers/#respond Mon, 04 Aug 2014 13:14:00 +0000 http://www.criticalresponse.com/?p=3311

No matter how smart the best brands make their smartphones, they are simply just not smart enough to satisfy the requirements needed for dedicated critical messaging in healthcare, public safety and in other areas where messaging is critical. To begin with, there are security glitches. Consider Apple’s most recent bad press for its iconic iPhone. Apple acknowledged there are “critical vulnerabilities” that if exploited correctly, would make secure communications extremely vulnerable if in the wrong hands. With handheld devices being used to transmit all kinds of secure data from healthcare information, first responder notifications and the factory floor, “critical vulnerabilities” simply cannot be an option.
Coverage usually is the main concern with cellular device, having massive limitations and being prone to dead spots and poor reception in several areas. With response papers, using two-way radio signals, not only is privacy ensured via a closed network, but coverage is instantly enhanced with radio transmissions providing excellent reception, wide coverage AND options to work even in times of a natural disaster or emergency.
The list goes on and on for why Smartphones are made with only one customer in mind — a single end- user that falls within a certain demographic with minimal needs (music, video, apps, Internet access) with equally minimal expectations when it comes to support, breakage, warranty, coverage, upgrades, durability, cost control, etc.
Response paging systems are the “true smart way” to communicate and are designed to meet the true needs of all healthcare providers, public safety professionals and other organization who need critical messaging capabilities. In addition, with response paging systems you always know – who received your critical message, when it was received and when they will be responding.
Paging systems are effective in high noise environments, offers long life cycle support, increased efficiency, have built-in safety features, and are rugged for real-life impact — and best yet, save money.

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M4201 Network Controller http://criticalresponse.com/m4201/ http://criticalresponse.com/m4201/#respond Fri, 01 Aug 2014 16:54:44 +0000 http://www.criticalresponse.com/?p=3346 4201 System Controller

Performance, Capacity, and Network Reliability.

The M4201 brings a new level of performance and reliability to CRS radio packet data networks. It supports more users and more base stations than prior models, and it also delivers messages more quickly and reliably than ever before.

The M4201 is installed into the network operations center (NOC), where it controls and monitors a wide-area radio network. It includes a real-time subscriber database, a message scheduling engine, and all messaging and control interfaces required to deliver and confirm messages to thousands of users over thousands of square miles.

Like all CRS components, the M4201 is fast and reliable, delivering and confirming critical messages without reliance on external resources such as cell phone networks or the Internet.

M4201 Features at a Glance

  • Ultra-reliable solution for critical messaging
  • 5-second message delivery, confirmation, and response
  • User read confirmation and multiple-choice responses
  • AES-128 message encryption with key management
  • Support for legacy 1-way and 2-way pagers
  • High-power, FCC-protected channels

M4201 Specifications

System I/O

  • Front: Serial console port, USB storage device
  • Rear: Ethernet, serial port (2), GPS port (DB15 & TNC), serial bus port (2)
  • Rear Power: 48VDC nominal (40~56VDC), 3A fuse

System Interfaces

  • Messaging: SDP, SMTP, WCTP, TAP, TNPP, SNMP
  • Management: SNMP, Telnet, SSH, Web
  • Over-the-Air: ReFLEX 2.7, FLEX 1.9, POCSAG 512/1200/2400
  • Privacy: AES-128 message encryption


  • Subscribers: 100,000 maximum
  • Base Stations: 500 maximum
  • Channels: 500 independent RF channels, TX and RX combined
  • Redundancy: Standalone, cold standby, or hot standby with auto-failover


  • Size: 1RU, 19” x 8” x 1.7”
  • Weight: 5 lbs
  • Mounting: Desktop or rackmount, side-discharge forced-air ventilation
  • Environment: 0-70°C, 90% humidity (non-condensing)
  • Max Power: 30W (600mA at 48VDC)

Ordering Information

  • Part Number: CRS-M4201
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Efficiency of Response Pagers vs P25 Radios for Critical Alert Messaging http://criticalresponse.com/efficacy-of-response-pager-vs-p25-radio-for-critical-alert-messaging/ http://criticalresponse.com/efficacy-of-response-pager-vs-p25-radio-for-critical-alert-messaging/#respond Mon, 28 Jul 2014 19:45:40 +0000 http://www.criticalresponse.com/?p=2841

When your mission is critical alert messaging, which communication device is the most efficient, cost-effective — and ensures the delivery and acknowledgement of your important message? The answer is hands-down – a response pager! When you want to ensure your responders will receive your critical messages, at all times and in all situations, you need a communication device that is small, discrete and easily carried. Therefore, you can be assured that your responders will have the device with them at all times.

A response pager is about 1/20 of the cost of a P25 radio, so you can get this device into more responders’ hands, especially if you have a large volunteer force. A pager is better for recall and can store critical messages for later review. Also important is the battery life differential between a radio and a pager. Most P25 radios have a battery life of only eight hours, meaning your responders must continually remember to recharge them. A response pager’s battery life is two weeks; therefore, your responders are more likely to have a live device to receive your critical alert when the need arises. When all things are considered, the bottom line is — a response pager is a far better communication device for critical alert messaging than a P25 radio.

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Response Paging Can Be Your Back-up, Safety Net! http://criticalresponse.com/response-paging-can-be-your-back-up-safety-net/ http://criticalresponse.com/response-paging-can-be-your-back-up-safety-net/#respond Tue, 08 Apr 2014 13:42:30 +0000 http://www.criticalresponse.com/?p=3315

Public safety professionals who persist in using cell phone technologies to communicate critical messages should consider implementing an affordable and reliable response paging system as a back-up solution.  Cellular technologies are just too failure-prone to be used as a sole means for public safety critical messaging.

For example, look at what happened recently in North Adams, MA when both Verizon and AT&T cell systems failed due to downed towers. Businesses relying on cell phones suffered — “It was miserable,” said Alex Kostopoulos, owner of Supreme Pizza on Main Street. “We had hundreds of calls that people couldn’t hear them. It was terrible. We had to hang up on people and pray they could get online and order.”

More importantly all public safety messaging that relied solely on cellular technology failed for several days.

A joint statement from the cellular phone companies said: “It’s going to take a couple months to get the actual cell towers fully repaired. But in the meantime, the portable towers are expected to soon fully restore service temporarily.”

An affordable and dependable response paging system that DOES NOT rely on cell towers would have provided public safety professionals with an immediate back-up. A response paging system is the MOST dependable communications medium available to ensure your critical messages will get through. The technology is also much less costly than cell phones, ranging in price up to $150. A response paging device, using text as its communication medium, allows you to confirm that your message has been received and even when the recipient is responding to your critical message. The battery life of response pagers is also much longer than cell or smart phones.

If you are not using response paging as your primary critical messaging medium, it should certainly be your back-up safety net!

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New M1503 Personal Distress Capability Helps Improve Safety of 1st Responders and Hospital Personnel http://criticalresponse.com/pr-01-2014/ http://criticalresponse.com/pr-01-2014/#respond Tue, 28 Jan 2014 11:53:06 +0000 http://www.criticalresponse.com/?p=3303

Critical Response Systems (CRS), a provider of mission-critical dispatch and notification systems for public safety and hospitals, announced recently a new personal distress capability included in the latest M1503 firmware upgrade. When this feature is enabled by network operators, a M1503 user can hold down the red button for three (3) seconds to signal personal distress. This signal enables rapid initiation of appropriate department- or unit-level intervention and rescue procedures.

Weighing only 2.5 ounces, the M1503 response pager is roughly the size of a small stack of business cards. It is typically worn on the belt, enabling quick and easy access in the event of a personal safety issue. The M1503 is part of the CRS alerting/dispatch system, which uses high-power digital transmitters to deliver critical messages to all intended recipients within five seconds, and then tracks who receives the message, who reads it, and how they will respond. The CRS system removes uncertainty, improves efficiency, and meets all HIPAA guidelines, with strong AES-128 encryption.

“The safety of personnel using our technologies is our utmost concern, and we continually seek ways to improve the safety of their often hazardous work environment,” commented Brian Claise, CRS Vice President of Engineering. “We believe this enhancement has the potential to save lives.”

About Critical Response Systems, Inc.

Critical Response Systems manufactures leading-edge wireless data systems, focused on critical messaging and alerting. We know that every response starts with an alert, and our systems use the latest technology to ensure that first responders and clinical personnel get their messages quickly, correctly and reliably.

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Critical Response Systems Receives Third Patent http://criticalresponse.com/pr-12-213/ http://criticalresponse.com/pr-12-213/#respond Thu, 12 Dec 2013 12:04:02 +0000 http://www.criticalresponse.com/?p=3292

CRS announces U.S. Pat. No. 8,588,207, Method and Apparatus for Efficient and Deterministic Group Alerting.

Critical Response Systems (CRS), a provider of leading-edge, mission-critical communication systems, announces the award of U.S. Pat. No. 8,588,207, Method and Apparatus for Efficient and Deterministic Group Alerting.

CRS technology alerts first responders and clinical staff, and then notifies incident command and middleware as personnel read and respond to each event. This new patent covers CRS’s ability to perform deterministic dispatch and alerting via cell phones and smartphones (e.g., that may use SMS as well as LTE data). The patent also covers transmission of messages and responses using heterogeneous technologies.

“We are very pleased that the U.S. Patent Office has again recognized our unique and novel messaging technology,” commented Brian Claise, Chief Technology Officer at Critical Response Systems. “This new patent further strengthens our position and enables us to accelerate research and development to further improve hospital and public safety alerting.”

About Critical Response Systems, Inc.

Critical Response Systems manufactures leading-edge wireless data systems, focused on critical messaging and alerting. We know that every response starts with an alert, and our systems use the latest technology to ensure that first responders and clinical personnel get their messages quickly, correctly and reliably.

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