Technical Equipment Specification
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1 STATE OF CALIFORNIA Office of the State Chief Information Officer Public Safety Communications Division Technical Equipment Specification Equipment Type: Transmitter/Receiver Mobile Relay/Base/Control Station VHF High Band Conventional Operation Analog & Digital Project 25 Specification Number: MR-062 Issue Date: January 28, 2011 Number of Pages: 16 The bidder shall submit information about the equipment being supplied below and on the subsequent pages. Company Name: Equipment Brand: Equipment Model:
2 Page 2of 16 1 General 1.1 This technical equipment specification describes a VHF high band mobile relay, base station and control station. 1.2 The station shall be used by the State of California (State) in a public safety land mobile radio system. 1.3 The station shall operate on the following modes upon delivery (selectable by user programming): Conventional analog FM on both wide and narrowband channels Conventional digital Project The station shall be configured by the supplier as indicated in the Station Frequency Programming list provided to the supplier with each purchase order. 2 Overall Station s The station shall meet or exceed the following performance standards: 2.1 Operating Frequency Band 138 to 174 MHz (sub-bands acceptable) 2.2 Channel Capacity per radio (minimum) Mobile Relay 1 transmit and 1 receive Base/Control Station 4 transmit and 4 receive 2.3 Channel Spacing 12.5 / 25 khz 2.4 Operating Temperature -30 to +60 C 2.5 Carrier Frequency Stability ±1.5 PPM 2.6 RF Input/Output Impedance 50 ohms 2.7 Frequency Generation Internal Synthesizer and/or embedded microprocessor technology.
3 The station shall meet or exceed the following performance standards: 2.8 The station shall be user configurable as either a base/control station or a mobile relay Sections of this specification discussing mobile relay operations, shall only be applicable when the station is configured as a mobile relay Sections of this specification discussing analog or P25 operations shall only be applicable when configured to operate in that mode. 2.9 When configured as a mobile relay, the station shall automatically and simultaneously retransmit, with tone squelch encoding, only those voice band transmissions received by the station receiver and decoded by the station decoder The retransmit function shall have sufficient dynamic range to preclude function dropout for received signal level fades of up to 3 db from SINAD sensitivity level. Page 3of 16
4 The station shall meet or exceed the following performance standards: 2.10 Controlled Squelch Each transmit and receive channel shall be independently programmable to operate with: Tone controlled squelch (CTCSS); and/or Digital controlled squelch (CDCSS) Encoder/ Decoder The encoder and decoder shall operate independently of each other Signaling-Analog Mode Generates/ decodes all CTCSS tones and CDCSS codes listed in TIA/EIA CTCSS Deviation 250 / 500 Hz (12.5/25 khz) Controlled squelch disable The tone/digital controlled squelch programmed in any receive channel shall be capable of being disabled. Provide a switch on the front panel. Page 4of 16
5 The station shall meet or exceed the following performance standards: AND squelch configuration The receive audio path shall be un-muted only when an on-frequency carrier is qualified by the receiver and the correct CTCSS tone/cdcss code is decoded External CTCSS The station shall accept an externally generated CTCSS tone CTCSS Connection The station s internal CTCSS encoder shall be capable of being disabled to allow connection of an external CTCSS encoder. Wired to readily accessible screw-type terminals or plug-in connectors. Provide any necessary mating connectors and/or pins. Page 5of 16
6 Page 6of 16 3 Transmitter s The transmitter shall meet or exceed the following analog performance requirements: 3.1 Carrier Output Power Rating 100 W, minimum Continuous Duty Adjustable over the range of 60W-100W. 3.2 Modulation Limiting ±2.5 / ±5 khz (12.5 / 25 khz). 3.3 Audio Frequency Response +1,-3 db; Hz; 6dB /octave; 3.4 Audio Distortion <3 % Complies with TIA/EIA- 603 C. 3.5 FM Hum and Noise Ratio 40 / 40 db (12.5 / 25 khz) 3.6 Conducted Spurious Emissions -70 dbc 3.7 Time-Out-Timer Limits the duration of each station transmission, whether initiated locally or remotely Transmission Duration 1 to 4 minutes minimum Timer factory setting 4 minutes Timer reset Within 100 milliseconds after interruption of the transmitter keying circuit.
7 The transmitter shall meet or exceed the following analog performance requirements: 3.8 Drop-out Delay (Mobile Relay) Transmitter shall remain keyed for a preset delay upon removal of the received activating signal Delay Duration 0 to 5 seconds minimum Delay factory setting 1 second Page 7of 16 4 Receiver s The receiver shall meet or exceed the following analog performance requirements: 4.1 Reference Sensitivity (EIA 12 db SINAD) 4.2 Adjacent Channel Rejection (EIA 603 C) -116 dbm 45 / 75 db (12.5 / 25 khz) 4.3 Spurious Response Rejection 70 db (12.5 / 25 khz) 4.4 Intermodulation Rejection 70 db (12.5 / 25 khz) 4.5 Audio Frequency Response +1,-3 db; Hz; 6dB /octave; 4.6 Audio Distortion <5 % Complies with TIA/EIA- 603 C. 4.7 FM Hum and Noise 34 / 34 db (12.5 / 25 khz)
8 The receiver shall meet or exceed the following analog performance requirements: 4.8 Squelch Tail Elimination Eliminates the noise burst heard in the receiver at the conclusion of receiving a signal. Page 8of 16 5 Remote Control s The station shall be provided with the following facilities which allow it to be controlled remotely: 5.1 Remote Control Line Input/Output 600 ohm, balanced Selectable between 2W and 4W operation Line Connection Wired to readily accessible screw-type terminals Transmit sensitivity 0 to -15 dbm Wideband factory setting (with the application of a 1000 Hz tone) The deviated signal shall have less than 3% distortion. 0 dbm produces 4.4 khz deviation without CTCSS. 6 dbm produces 2.5 khz deviation without CTCSS.
9 The station shall be provided with the following facilities which allow it to be controlled remotely: Narrowband factory setting 0 dbm produces 2.2 khz deviation without CTCSS. 6 dbm produces 1.1 khz deviation without CTCSS Receive Audio Level 0 to -15 dbm Wideband factory setting Narrowband factory setting (when receiving a signal modulated with a 1000 Hz tone and less than 3% distortion). 5 khz deviation produces 0 dbm 2.5 khz deviation produces 6 dbm 2.5 khz deviation produces 0 dbm 1.25 khz deviation produces -6 dbm Page 9of 16
10 Page 10of 16 The station shall be provided with the following facilities which allow it to be controlled remotely: 5.2 E&M Signaling E&M Connection Wired to readily accessible screw-type terminals E Lead. Causes the transmitter to turn on and transmit any audio on the transmitter line audio input The State shall supply an external E lead contact closure M Lead Activates only while the receiver is unmuted The station shall supply the M lead signaling. Provide an auxiliary relay employing one set of form "C" dry contacts capable of switching a 25 volt-ampere inductive load (one ampere or 50 volts maximum).
11 Page 11of 16 The station shall be provided with the following facilities which allow it to be controlled remotely: 5.3 Tone Remote Control Tone remote connection The in-band tone signalling shall be applied to the transmitter line audio. Wired to readily accessible screw-type terminals Tone Format: Order Tone Frequency Level Duration 1st Guard High 2175 Hz 0 dbm 120 ms 2nd Monitor 2050 Hz -10 dbm 40 ms 2nd Function F Hz -10 dbm 40 ms 2nd Function F Hz -10 dbm 40 ms 2nd Function F Hz -10 dbm 40 ms 2nd Function F Hz -10 dbm 40 ms 3rd Guard Low Reference 2175 Hz 1000 Hz -20 dbm 0 dbm Duration of transmission The guard tone shall be attenuated from the transmit audio.
12 Page 12of 16 6 Digital Operation s The station shall meet or exceed the following digital performance requirements: 6.1 Digital Project 25, Phase I operation Comply with the TIA/EIA-102 suite of standards. 6.2 Operation in mixed/dual mode The station shall switch seamlessly between operation in the analog and digital P25 modes on a per call basis. 6.3 Controlled Squelch Signaling Digital Mode 6.4 Receiver performance (minimum) P25 Digital Network Access Code (NAC) Generate/ decode all P25 Network Access Codes (NAC) listed in TIA/EIA Sensitivity (5% BER) -116 dbm / 0.28 uv Selectivity -60 db
13 Page 13of 16 7 Physical s The station shall meet or exceed the following physical requirements: 7.1 Mounting requirement The station and all accessories shall be mounted in the vertical center of an equipment rack Rack requirements Open, self-supporting, floor-mounted 19-inch wide, 7 feet 6 inches high Conforms to ANSI/EIA Standard RS-310-D Acceptable Racks Chatsworth Products, Inc. part number or State approved equivalent. 7.2 RF Input/Output Connector Type N female, 50 ohm Separate connectors for receiver and transmitter Antenna Relay Station shall be provided with an antenna relay for use when the station is configured as a base/control station. The antenna relay shall be capable of being bypassed when the station is configured as a repeater.
14 The station shall meet or exceed the following physical requirements: 7.3 Microphone Dynamic, heavy-duty, palm-type Hang-up bracket Push-to-talk switch Self-retracting coil cord 4 feet long minimum when extended Station connection Fitted with a plug to mate with the microphone input. 7.4 Receiver monitor speaker Audio output 0.5 W minimum Volume control Located on front panel On/off switch Located on front panel 7.5 Metering test points Test points necessary for normal servicing shall be provided on either of the following: a State-supplied multimeter, or an integral meter, or a personal computer using the station software. Page 14of 16
15 Page 15of 16 8 Electrical s The station shall meet or exceed the following electrical requirements: 8.1 Input Power Source +12 VDC nominal (To connect to a State +12 V battery bank). 8.2 Surge Protection Fuses or other current limiting devices shall be contained within the station. 9 Accessory Equipment Supply the following accessory equipment in the quantities specified on the equipment order: 9.1 Service aid kit Provide equipment required for routine service, level setting and programming Examples of items to include 9.2 Programming and alignment software Computer operating system Tuning tools, special nonstandard trade tools, circuit card extenders and special adapters. For use with a personal computer to permit programming / reprogramming of the station. Compatible with Microsoft Windows 2000 and Windows XP Professional.
16 Supply the following accessory equipment in the quantities specified on the equipment order: Software media 3½ inch diskettes or CD Provide programming instructions Software Usage / License Complies with the requirement in Form TD-947 Public Safety Radio Goods Special Provisions. 9.3 Programming interface For use with the programming software Personal Computer Connection 9.4 Service Manual Provide a hardcopy of the manual. USB 2.0 port Contents of manual Complies with Form TD- 927 Service Manual s. Page 16of Standards The station shall comply with the following documents and standards: 10.1 Form TD-947 Public Safety Radio Goods Special Provisions
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