FCC ID: PQC-WMTS-MODULE M2638A 1.4GHz WMTS ITS RADIO MODULE

DOCUMENT NAME Application Note:

Philips M2638A Instrument Telemetry Module

(1.4 GHz / Wireless Medical Telemetry Service ''WMTS") DOCUMENT IDENTIFIER A-M4840-90130-B Notice UNCONTROLLED IN PRINTED FORM UNLESS STAMPED IN RED Document The document owner 1s listed below:

Ownership Design Engineer 7 Signature/Date Juan Brea Document The document approver(s) is/are listed below:

Approver(s) Name (Printed) Signature/Date Program Manager Melissa Holmes f_ nm eh

/B | Added Dual- and Tri-Band Antennas in addition to whip 12-June-2007 14-March-2005 Application Note: M2638A Instrument Telemetry Module Document Number M4840-90130 Rev B Page 1 of 6 1 Introduction The Module is a serial network adapter designed to be used with specialized medical devices manufactured by Philips Medical Systems (Figure 1). It enables the host medical device to wirelessly establish bi-

directional communication with other remote devices using the Philips WMTS infrastructure. _...-.sheet Metal Housing ____ 28. RF antenna

+5 Vde !

. Coaxial RF cable Serial Data ! Radio Module Ground ! !

ont ay shes esta even ht a nem Oe A OME Oe ee oe Figure 1: Module Block Diagram 2 Host Interface The Module interfaces to the host though a single I/O connector (Figure 2). Via this connector the host supplies DC power, signal ground and modulating data to the radio Module. The communication between the host device and the Module is a two wire asynchronous serial interface (Table 1). ae a ee oe Be BS eS pS cman nnsnssnamnasntatsn irnetananen pacamantan ahi oe aes ss BE annnnnnersnnrenerrmrnnnarsroenmanecccsosssrosesss di Oe ee se

Be :

3 Raa Be Bee WMTS Radio 6 pin header AMP 7 -338069-6. Figure 2: Module Interface Host Connector Application Note: M2638A Instrument Telemetry Module Document Number M4840-90130 Rev B Page 2 of 6 First of two ground connections for the Module. ITS Tx Serial data to host ITS Rx Serial data from host P| Second of two ground connections for the Module. 5 +5 vdc + 5 vde +/- 5%, Sinks 35 mA average, 280 mA Peak during radio Tx/Rx Table 1: Host Connector pin assignment 3 Serial Connection Serial Specification:

The interface to the Host is a serial communication link (Table 2):

> Flow Control: Tx, Rx; no hardware flow control

> Baud Rate: 115.2 kbaud;

> Parity: No parity bit

> Bits: 8 bits of data, plus 1 Start/Stop bits

> Logic Levels: TTL levels, 5 volt tolerant. Table 2: Serial Lines, Electrical DC Characteristics Maximum User Data Rate:

The maximum user data rate that the radio supports is 12 kbits/second in each direction. This maximum over the air data rate is fixed by design and cannot be modified by the user. 4 Module RF Shielding. The Module contains all necessary RF shielding. The host device does not need to provide additional shielding. Application Note: M2638A Instrument Telemetry Module Document Number M4840-90130 Rev B Page 3 of 6 5 Module Mounting Considerations. The Module is self-contained and can be mounted anywhere using the supplied threaded pem nuts. No special heat sinking considerations are required. There are no orientation constraints. 6 RF Input/Output, Antenna The Module is only approved for use with the antennas specified by Philips, listed here:

1. Dipole Whip Philips Part Number M4842-61300 2. Tri-Band Philips Part Number M3002-66493 3. Dual-Band Philips Part Number M8100-66490 These antennas cannot be replaced with antennas of a different type. However, antennas of equivalent type with equal or lower gain to the listed antennas can be used. The RF input and output of the Module 1s matched to 50 ohms. A coaxial cable brings the RF outside the metal enclosure. This cable uses a unique non standard connector manufactured by JST (IST part number A YUI-1S-12676-221). For the dipole whip, the coaxial cable connects to a JST-to-reversed-TNC adapter made by Amphenol (Amphenol part number 031-6101) where the antenna plugs in. 7 RF Transmitter Specifications The following table summarizes general transmitter specifications (Table 3). For complete details

(including details on the receiver section) refer to ES-M4840-90108:

1. Frequency ranges: Bands: 1395 - 1400 MHz and 1427 - 1432 MHz 2. RF Output Power 8 dBm +2/-3dB, 6.3 mW (3.2 mW to 10 mW), into Antenna load. Calibrated into 50 ohms. 3. RF Output Power control a) Transmitter chain gain shall be calibrated at time of manufacture (env temp 25+/-5deg.C). b) Over power algorithm deployed to prevent excess power and also includes temperature compensation. 4. Transceiver frequency accuracy +/-15KHz relative to channel frequency, includes

{Transceiver Frequency accuracy temperature compensation & aging effects. Table 3: Module, Transmitter Specifications 8 Fault Conditions Over/ Under Voltage The input voltage from the DC power source to the Module must remain between the values specified in Table 1. Operating the radio Module from a voltage lower source lower than 4.75 vdc or higher than 5.25 vdc can cause the regulator section to shut down ceasing operation of the Module. Application Note: M2638A Instrument Telemetry Module Document Number M4840-90130 Rev B Page 4 of 6 Excessive Signal Level on Serial Input The data input signal levels must be observed as specified in Table 2. Driving the input data line over 5 vdc can cause damage to the Module input buffers, causing interruption of data transfer. Excessive Data Rate on Serial Input The host serial communication data rate is fixed at 115.2 kbaud. Clocking data at different baud rates will result in incorrect data transfer. The maximum host/user over the RF link data rate is 12 kbps. Attempting to send data at a faster rate will result in data buffer overrun and data loss. 9 Accompanying Documentation for products incorporating the Module Products which incorporate this device will be labeled Contains FCC ID: PQC-WMTS-MODULE, and their accompanying documentation should prominently display the following:

OPERATION OF THIS EQUIPMENT REQUIRES THE PRIOR COORDINATION WITH A FREQUENCY COORDINATOR DESIGNATED BY THE FCC FOR THE WIRELESS MEDICAL TELEMETRY SERVICE. THIS DEVICE COMPLIES WITH PART 15 OF THE FCC RULES. OPERATION IS SUBJECT TO THE CONDITION THAT THIS DEVICE DOES NOT CAUSE HARMFUL INTERFERENCE Application Note: M2638A Instrument Telemetry Module Document Number M4840-90130 Rev B Page 5 of 6 10 Radio Specifications 1. Frequency ranges: Bands: 1395 - 1400 MHz and 1427 - 1432 MHz Channel Spacing: 1.6 MHz, see table below 2. RF Output Power (into 50 ohms) 8 dBm +2/-3 dB (3.2 mW to 10 mW) 3. Frequency accuracy +/-15 kHz, includes temperature compensation &

(relative to channel frequency aging effects. 4. Modulation type FSK with Root Raised Cosine filtering (1M60Q7D) 5. Modulation deviation (relative to channel Bit 1: +288 kHz +/-25 kHz frequency) Bit 0: -288 kHz +/-25 kHz 6. Transmitter output broadband noise < -58.9 dBm in 1 MHz band, outside channel in use. 7. Out of band spurious emission levels: <-41dBm in 1 MHz bandwidth for FCC limit

<1394MHz, 21401 MHz

<1426MHz, = 1433 MHz 8. Channel Occupied Bandwidth <+/- 800 KHz

(as defined by power in 99% BW per FCC 47CFR Ch. 1 Subpart 2.202) WMITS Channel Frequencies in the 1395 1400 MHz Band 1395.0000 MHz 1395.8977 MHz 1397.4970 MHz 1399.0963 MHz 1400.0000 MHz 1.6 MHz Lower band edge Channel 1 Channel 2 Channel 3 Upper Band Edge Channel Spacing WMTS Channel Frequencies in the 1427 1432 MHz Band 1427.0000 MHz 1427.8979 MHz 1430.2410 MHz 1429.4972 MHz Channel 6 (*) 1431.0965 MHz Upper Band Edge 1432.0000 MHz Note: (*) Not available in special geographic areas, i.e. Carve-Out Areas Lower band edge Channel 4 Channel 4a (**) Channel 5 (*)

(**) Available in special geographic areas only, i.e. Carve-Out Areas Application Note: M2638A Instrument Telemetry Module Document Number M4840-90130 Rev B Page 6 of 6

Page 1 of 6 Philips Medical Systems Patient Monitoring Quality & Regulatory Group 3000 Minuteman Road Mailstop 0490 Andover, MA 01810 Tel: (978) 659-7383 Fax: (978) 685-5624 Application Note: WMTS-MODULE Prepared by:

Last revised:

Juan Brea 10-Mar-05 The following information is intended for Philips internal use only. It is a guide for the incorporation of the WMTS-MODULE into Philips patient monitoring medical devices. Interested Philips engineers should contact the Wireless ER Manager for additional information and referral to specific design specialists. This document is an internally controlled document under the Philips Quality System. Page 2 of 6 1 Table of Contents 1 Table of Contents ..................................................................................................................... 2 2 Introduction............................................................................................................................... 3 3 Host Interface ........................................................................................................................... 3 4 Serial Connection ..................................................................................................................... 4 4.1 Serial Specification:........................................................................................................... 4 4.2 Maximum User Data Rate:................................................................................................ 4 5 WMTS-MODULE RF Shielding. .............................................................................................. 4 6 WMTS-MODULE Mounting Considerations............................................................................. 5 7 RF Input/Output, Antenna ........................................................................................................ 5 7.1 RF Transmitter Specifications........................................................................................... 5 8 Fault Conditions ....................................................................................................................... 5 8.1 Over/ Under Voltage ......................................................................................................... 5 8.2 Excessive Signal Level on Serial Input............................................................................. 6 8.3 Excessive Data Rate on Serial Input ................................................................................ 6 9 Accompanying Documentation for products incorporating the WMTS-MODULE.................... 6 2 Introduction Page 3 of 6 The WMTS-MODULE is a serial network adapter designed to be used with specialized medical devices manufactured by Philips Medical Systems (Figure 1). It enables the host medical device to wirelessly establish bi directional communication with other remote devices using the Philips WMTS infrastructure. Sheet Metal Housing RF antenna Radio Module Coaxial RF cable

+5 Vdc Serial Data Ground Figure 1: WMTS-MODULE Block Diagram 3 Host Interface The WMTS radio module interfaces to the host though a single I/O connector (Figure 2). Via this connector the host must supply DC power, signal ground and modulating data to the radio module. The communication between the host device and the radio module is a two wire asynchronous serial interface (Table 1). 1 3 5 2 4 6 6 pin header AMP 7 -338069-6. WMTS Radio Figure 2: WMTS-MODULE Interface Host Connector Pin 1 2 3 4 5 6 Name Ground ITS_Tx ITS_Rx Ground

+5 vdc Not Connected Page 4 of 6 I/O OUT IN Function First of two ground connections for the module. Serial data to host. Serial data from host. Second of two ground connections for the module.

+ 5 vdc +/- 5%, Sinks 35 mA average, 280 mA Peak during radio Tx/Rx Table 1: Host Connector pin assignment 4 Serial Connection 4.1 Serial Specification:

The interface to the Host is a serial communication link (Table 2):

Flow Control:

Baud Rate:

Parity:

Bits:

Logic Levels:

ITS_Tx Tx, Rx; no hardware flow control 115.2 kbaud;

No parity bit 8 bits of data, plus 1 Start/Stop bits TTL levels, 5 volt tolerant. Logical Zero LOW 0.1 V max 0.55V max 0.6V max Logical One HIGH 2.9V min 2.3V min 2.2V min ITS_Rx Table 2: Serial Lines, Electrical DC Characteristics Conditions 100uA sink 24mA sink 100uA load 24mA load

4.2 Maximum User Data Rate:

The maximum user data rate that the radio supports is 12 kbits/second in each direction. This maximum over the air data rate is fixed by design and cannot be modified by the user. 5 WMTS-MODULE RF Shielding. The module contains all necessary RF shielding. The host device does not need to provide additional shielding. Page 5 of 6 6 WMTS-MODULE Mounting Considerations. The module is self-contained and can be mounted anywhere using the supplied threaded pem nuts. No special heat sinking considerations are required. There are no orientation constraints. 7 RF Input/Output, Antenna The WMTS Radio Module is only approved for use with the antenna specified by Philips, part number M4842-61300. This antenna cannot be replaced with an antenna of a different type. The RF input and output of the WMTS-MODULE is matched to 50 ohms. A coaxial cable brings the RF outside the metal enclosure. This cable uses a unique non standard connector manufactured by JST (JST part number AYUI-1S-12676-221). The coaxial cable connects to a JST to reversed TNC adapter made by Amphenol (Amphenol part number 031-6101) where the antenna plugs in. The antenna is made by Radial to Philips specifications (Philips specifications number A-M4842-

61300-1, rev A). 7.1 RF Transmitter Specifications The following table summarizes general transmitter specifications (Table 3). For complete details

(including details on the receiver section) refer to ES-M4840-90108:

1. Frequency ranges:

2. RF Output Power 3. RF Output Power control 4. Transceiver frequency accuracy 5. Reference Frequency Calibration 6. Modulation type Bands: 1395 - 1400 MHz and 1427 - 1432 MHz 8 dBm +2/-3dB, 6.3 mW (3.2 mW to 10 mW), into Antenna load. Calibrated into 50 ohms. a) Transmitter chain gain shall be calibrated at time of manufacture (env temp 25+/-5deg.C). b) Over power algorithm deployed to prevent excess power and also includes temperature compensation.

+/-15KHz relative to channel frequency, includes temperature compensation & aging effects.

<4ppm FSK with Root Raised Cosine filtering (1M60Q7D) Table 3: WMTS Radio Module, Transmitter Specifications 8 Fault Conditions 8.1 Over/ Under Voltage The input voltage from the DC power source to the module must remain between the values specified in Table 1. Operating the radio module from a voltage lower source lower than 4.75VDc or higher that 5.25 vdc can cause the regulator section to shut down ceasing operation of the radio module. 8.2 Excessive Signal Level on Serial Input The data input signal levels must be observed as specified in Table 2. Driving the input data line over 5 vdc can cause damage to the radio module input buffers, causing interruption of data transfer. Page 6 of 6 8.3 Excessive Data Rate on Serial Input The host serial communication data rate is fixed at 115.2 kbaud. Clocking data at different baud rates will result in incorrect data transfer. The maximum host/user over the RF link data rate is 12 kbps. Attempting to send data at a faster rate will result in data buffer overrun and data loss. 9 Accompanying Documentation for products WMTS-MODULE incorporating the Products which incorporate this device will be labeled Contains PQC-WMTS-MODULE, and their accompanying documentation will also advise the user concerning frequency coordination

(47 CFR 95.1109), as follows:

Operation of this equipment requires the prior coordination with a frequency coordinator designated by the FCC for the Wireless Medical Telemetry Service.