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Motorola Spectra Mobile Radio Module Numbers By Robert W. Meister WA1MIK

The following information was extracted from several Spectra Mobile Basic Service Manuals (BSM) as well as the Spectra Detailed Service Manual (DSM). Manual part numbers are listed below, but none of them are available from Motorola any more as the Spectra product line has been discontinued. ASTRO Spectra mobile radios are still available and are NOT covered in this article. Some older module numbers have been omitted.

Module numbers can be found on printed stickers somewhere on the circuit board. You may have to remove shields or the actual boards to find these numbers. All shields and board mounting screws have T-15 heads.

These lists are NOT all-inclusive; they are probably missing some information too. If someone has the 800 MHz BSM and can provide the missing module numbers, I'd be glad to add them.

All tables below are sorted by board name and range.

VHF Modules:

The VHF high-band is covered by two overlapping ranges:

1. 136-162 MHz
2. 146-174 MHz

Module Name	Range	BSM No.	DSM No.
Command Board	ALL	HLN6094B	HLN6094B
PA Board 025w	136-162	HLD6066B	HLD6066B
PA Board 025w	146-174	HLD6032B	HLD6032B
PA Board 050w	ALL	HLD6022B	HLD6022B
PA Board 110w	136-162	HLD6064B
PA Board 110w	146-174	HLD6063B	HLD6063A
RF Board 2.5ppm	ALL	HRN6004C	HRN6004B/C
RF Board 5.0ppm	ALL	HRN6001C	HRN6001B/C
RX Front End	136-162	HRD6001B	HRD6001B
RX Front End	146-174	HRD6002B	HRD6002B
RXFE w/Preamp	136-162	HRD6011B	HRD6011B
RXFE w/Preamp	146-174	HRD6012B	HRD6012B
VCO Carrier Board	ALL	HLD6000B	HLD6000B
VCO Hybrid	136-162	HLD6061B	HLD6061A
VCO Hybrid	146-174	HLD6062B	HLD6062A

UHF Modules:

The UHF band is covered by four ranges:

1. 403-433 MHz
2. 438-470 MHz (motorcycle radios only)
3. 450-482 MHz
4. 482-512 MHz

Module Name	Range	BSM No.	DSM No.
Command Board	ALL	HLN6094B	HLN6094B
PA Board 006w	403-433	HLE6071B
PA Board 025w	438-470	HLE6062B
PA Board 040w	403-433	HLE6049C
PA Board 040w	450-482	HLE6043C	HLE6043B
PA Board 040w	482-512	HLE6044C	HLE6044B
PA Board 100w	403-433	HLE6051B
PA Board 100w	450-482	HLE6039B	HLE6039A
PA Board 100w	482-512	HLE6040B
RF Board 2.5ppm	ALL	HRN6006D	HRN6006B/C
RF Board 5.0ppm	ALL	HRN6003D	HRN6003B/C
RX Front End	403-433	HRE6001B
RX Front End	438-474	HRE6002B	HRE6002A
RX Front End	450-482	HRE6003B	HRE6003A
RX Front End	482-512	HRE6004B	HRE6004A
RXFE w/Preamp	403-433	HRE6011B
RXFE w/Preamp	438-474	HRE6012B	HRE6012A
RXFE w/Preamp	450-482	HRE6013B	HRE6013A
RXFE w/Preamp	482-512	HRE6014B	HRE6014A
VCO Carrier Board	403-433	HLE6045B
VCO Carrier Board	438-474	HLE6046B
VCO Carrier Board	450-482	HLE6000D	HLE6000C
VCO Carrier Board	482-512	HLE6041D	HLE6041C
VCO Hybrid	403-433	HLE6101A
VCO Hybrid	438-474	HLE6102A
VCO Hybrid	450-482	HLE6103B	HLE6103B
VCO Hybrid	482-512	HLE6104B	HLE6104B

800 MHz and 900 MHz Modules:

800 and 900 MHz radios only come in one range. I don't have any BSN or model info for the 800 MHz radios because they're not used in amateur service.

Module Name	Range	BSM No.	DSM No.
PA Board 15w	800		HLF6078A
PA Board 35w	800		HLF6077B
RF Board 1.5ppm	800		HRN6009A/B
RF Board 1.5ppm wide	800		HRN6011A/B
RF Board 2.5ppm	800		HRN6010A/B
RX Front End	800		HRF6004A
VCO Carrier Board	800		HLF6080A
VCO Hybrid	800		HLF6079A
Command Board	900	HLN6094C	HLN6094B
Command Board E-series	900		HLN6324A/B/C
HearClear Board	900	HLN6150A	HLN6150A
PA Board 04w	900	HLF6083B	HLF6083B
PA Board 12w	900	HLF6074B	HLF6074C
PA Board 30w	900	HLF6075B	HLF6075A
PA Board 30w	900	HLF6068A	HLF6082A
RF Board	900	HRN6007A/B	HRN6007A/B
RX Front End	900	HRF6003A	HRF6003A
VCO Carrier Board	900	HLF6084A/B/C	HLF6084B/C
VCO Hybrid	900	HLF6072A/B/C	HLF6072C

Manuals Utilized:

Service Manual	Publication No.
VHF Basic	6881070C85-A
UHF Basic	6881071C05-A
900 MHz Basic	6880101W37-C
Detailed	6880102W61-O

Acknowledgements and Credits:

Spectra, ASTRO Spectra, and a whole bunch of other terms and model names are trademarks of Motorola, Inc.

Contact Information:

The author can be contacted at: his-callsign [ at ] comcast [ dot ] net.

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This page originally posted 29-Oct-09.